ZARLINK ZL50015QCC1

ZL50015
Enhanced 1 K Digital Switch with
Stratum 4E DPLL
Data Sheet
Features
1024 channel x 1024 channel non-blocking digital
Time Division Multiplex (TDM) switch at 4.096,
8.192 and 16.384 Mbps or using a combination of
ports running at 2.048, 4.096, 8.192 and
16.384 Mbps
•
16 serial TDM input, 16 serial TDM output
streams
•
Integrated Digital Phase-Locked Loop (DPLL)
exceeds Telcordia GR-1244-CORE Stratum 4E
specifications
•
Output clocks have less than 1 ns of jitter (except
for the 1.544 MHz output)
•
ZL50015GAC
ZL50015QCC
ZL50015QCC1
*Pb
256 Ball PBGA
256 Lead LQFP
256 Lead LQFP*
Free Matte Tin
Trays
Trays
Trays
-40°C to +85°C
•
Output streams can be configured as bidirectional for connection to backplanes
•
DPLL provides holdover, freerun and jitter
attenuation features with four independent
reference source inputs
Per-stream input and output data rate conversion
selection at 2.048 Mbps, 4.096 Mbps, 8.192 Mbps
or 16.384 Mbps. Input and output data rates can
differ
•
Per-stream high impedance control outputs
(STOHZ) for 8 output streams
Exceptional input clock cycle to cycle variation
tolerance (20 ns for all rates)
•
Per-stream input bit delay with flexible sampling
point selection
VDD_CORE
ODE
P/S Converter
STio[15:0]
Output HiZ
Control
STOHZ[7:0]
Connection Memory
FPo[3:0]
CKo[5:0]
FPo_OFF[2:0]
Output Timing
DPLL
Internal Registers &
Microprocessor Interface
OSC
TRST
TCK
TDo
TDi
TMS
D[15:0]
A[13:0]
IRQ
R/W_WR
Test Port
CS
OSC_EN
RESET
VSS
Input Timing
DS_RD
REF0
REF1
REF2
REF3
REF_FAIL0
REF_FAIL1
REF_FAIL2
REF_FAIL3
VDD_IOA
Data Memory
MOT_INTEL
FPi
CKi
MODE_4M0
MODE_4M1
VDD_COREA
S/P Converter
OSCi
STi[15:0]
VDD_IO
OSCo
•
Ordering Information
DTA_RDY
•
July 2005
Figure 1 - ZL50015 Functional Block Diagram
Zarlink Semiconductor US Patent No. 5,602,884, UK Patent No. 0772912,
France Brevete S.G.D.G. 0772912; Germany DBP No. 69502724.7-08
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2004-2005, Zarlink Semiconductor Inc. All Rights Reserved.
ZL50015
Data Sheet
•
Per-stream output bit and fractional bit advancement
•
Per-channel ITU-T G.711 PCM A-Law/µ-Law Translation
•
Four frame pulse and six reference clock outputs
•
Three programmable delayed frame pulse outputs
•
Input clock: 4.096 MHz, 8.192 MHz, 16.384 MHz
•
Input frame pulses: 61 ns, 122 ns, 244 ns
•
Per-channel constant or variable throughput delay for frame integrity and low latency applications
•
Per Stream (16) Bit Error Rate Test circuits complying to ITU-O.151
•
Per-channel high impedance output control
•
Per-channel message mode
•
Control interface compatible with Intel and Motorola 16-bit non-multiplexed buses
•
Connection memory block programming
•
Supports ST-BUS and GCI-Bus standards for input and output timing
•
IEEE-1149.1 (JTAG) test port
•
3.3 V I/O with 5 V tolerant inputs; 1.8 V core voltage
Applications
•
PBX and IP-PBX
•
Small and medium digital switching platforms
•
Remote access servers and concentrators
•
Wireless base stations and controllers
•
Multi service access platforms
•
Digital Loop Carriers
•
Computer Telephony Integration
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
Description
The ZL50015 is a maximum 1,024 x 1,024 channel non-blocking digital Time Division Multiplex (TDM) switch. It has
sixteen input streams (STi0 - 15) and sixteen output streams (STio0 - 15). The device can switch 64 kbps and
Nx64 kbps TDM channels from any input stream to any output stream. Each of the input and output streams can be
independently programmed to operate at any of the following data rates: 2.048 Mbps, 4.096 Mbps, 8.192 Mbps or
16.384 Mbps. The ZL50015 provides up to eight high impedance control outputs (STOHZ0 - 7) to support the use
of external tristate drivers for the first eight output streams (STio0 - 15). The output streams can be configured to
operate in bi-directional mode, in which case STi0 - 15 will be ignored.
The device contains two types of internal memory - data memory and connection memory. There are four modes of
operation - Connection Mode, Message Mode, BER mode and high impedance mode. In Connection Mode, the
contents of the connection memory define, for each output stream and channel, the source stream and channel
(the actual data to be output is stored in the data memory). In Message Mode, the connection memory is used for
the storage of microprocessor data. Using Zarlink's Message Mode capability, microprocessor data can be
broadcast to the data output streams on a per-channel basis. This feature is useful for transferring control and
status information for external circuits or other TDM devices. In BER mode the output channel data is replaced with
a pseudorandom bit sequence (PRBS) from one of 16 PRBS generators that generates a 215-1 pattern. On the
input side channels can be routed to one of 16 bit error detectors. In high impedance mode the selected output
channel can be put into a high impedance state.
When the device is operating as a timing master, the internal digital PLL is in use. In this mode, an external
20.000 MHz crystal is required for the on-chip crystal oscillator. The DPLL is phase-locked to one of four input
reference signals (which can be 8 kHz, 1.544 MHz, 2.048 MHz, 4.096 MHz, 8.192 MHz, 16.384 MHz or 19.44 MHz
provided on REF0 - 3). The on-chip DPLL operates in normal, holdover or freerun mode and offers jitter
attenuation. The jitter attenuation function exceeds the Stratum 4E specification.
The configurable non-multiplexed microprocessor port allows users to program various device operating modes
and switching configurations. Users can employ the microprocessor port to perform register read/write, connection
memory read/write and data memory read operations. The port is configurable to interface with either Motorola or
Intel-type microprocessors.
The device also supports the mandatory requirements of the IEEE-1149.1 (JTAG) standard via the test port.
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
Table of Contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Changes Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.0 Pinout Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.1 BGA Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.2 QFP Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.0 Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.0 Device Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.0 Data Rates and Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1 External High Impedance Control, STOHZ0 - 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.2 Input Clock (CKi) and Input Frame Pulse (FPi) Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.0 ST-BUS and GCI-Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.0 Output Timing Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.0 Data Input Delay and Data Output Advancement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.1 Input Bit Delay Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.2 Input Bit Sampling Point Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.3 Output Advancement Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.4 Fractional Output Bit Advancement Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.5 External High Impedance Control Advancement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8.0 Data Delay Through the Switching Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8.1 Variable Delay Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8.2 Constant Delay Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
9.0 Connection Memory Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.0 Connection Memory Block Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.1 Memory Block Programming Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
11.0 Device Operation in Master Mode and Slave Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
11.1 Master Mode Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
11.2 Divided Slave Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
11.3 Multiplied Slave Mode Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
12.0 Overall Operation of the DPLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
12.1 DPLL Timing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
12.1.1 Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
12.1.2 Holdover Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
12.1.3 Automatic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
12.1.3.1 Automatic Reference Switching Without Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
12.1.3.2 Automatic Reference Switching With Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
12.1.4 Freerun Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
12.1.5 DPLL Internal Reset Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
13.0 DPLL Frequency Behaviour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
13.1 Input Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
13.2 Input Frequencies Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
13.3 Output Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
13.4 Pull-In/Hold-In Range (also called Locking Range). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
14.0 Jitter Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
14.1 Input Clock Cycle to Cycle Timing Variation Tolerance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
14.2 Input Jitter Acceptance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
14.3 Jitter Transfer Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
15.0 DPLL Specific Functions and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
15.1 Lock Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
Table of Contents
15.2 Maximum Time Interval Error (MTIE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
15.3 Phase Alignment Speed (Phase Slope) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
15.4 Reference Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
15.5 Single Period Reference Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
15.6 Multiple Period Reference Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
16.0 Microprocessor Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
17.0 Device Reset and Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
17.1 Power-up Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
17.2 Device Initialization on Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
17.3 Software Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
18.0 Pseudo random Bit Generation and Error Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
19.0 PCM A-law/µ-law Translation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
20.0 Quadrant Frame Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
21.0 JTAG Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
21.1 Test Access Port (TAP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
21.2 Instruction Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
21.3 Test Data Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
21.4 BSDL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
22.0 Register Address Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
23.0 Detailed Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
24.0 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
24.1 Memory Address Mappings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
24.2 Connection Memory Low (CM_L) Bit Assignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
24.3 Connection Memory High (CM_H) Bit Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
25.0 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
25.1 OSCi Master Clock Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
25.1.1 External Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
25.1.2 External Clock Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
26.0 DC Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
27.0 AC Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
List of Figures
Figure 1 - ZL50015 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2 - ZL50015 256-Ball 17 mm x 17 mm PBGA (as viewed through top of package) . . . . . . . . . . . . . . . . . . 11
Figure 3 - ZL50015 256-Lead 28 mm x 28 mm LQFP (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 4 - Input Timing when CKIN1 - 0 bits = “10” in the CR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 5 - Input Timing when CKIN1 - 0 bits = “01” in the CR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 6 - Input Timing when CKIN1 - 0 = “00” in the CR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 7 - Output Timing for CKo0 and FPo0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 8 - Output Timing for CKo1 and FPo1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 9 - Output Timing for CKo2 and FPo2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 10 - Output Timing for CKo3 and FPo3 with CKoFPo3SEL1-0=”11” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 11 - Output Timing for CKo4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 12 - Output Timing for CKo5 and FPo5 (FPo_OFF2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 13 - Input Bit Delay Timing Diagram (ST-BUS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 14 - Input Bit Sampling Point Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 15 - Input Bit Delay and Factional Sampling Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 16 - Output Bit Advancement Timing Diagram (ST-BUS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 17 - Output Fractional Bit Advancement Timing Diagram (ST-BUS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 18 - Channel Switching External High Impedance Control Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 19 - Data Throughput Delay for Variable Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 20 - Data Throughput Delay for Constant Delay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 21 - No Preferred Reference (Round Robin) with Ref 0-3 available. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 22 - Automatic Reference Switching State Diagrams with Preferred Reference . . . . . . . . . . . . . . . . . . . . 41
Figure 23 - Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Figure 24 - Clock Oscillator Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure 25 - Timing Parameter Measurement Voltage Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 26 - Motorola Non-Multiplexed Bus Timing - Read Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Figure 27 - Motorola Non-Multiplexed Bus Timing - Write Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 28 - Intel Non-Multiplexed Bus Timing - Read Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Figure 29 - Intel Non-Multiplexed Bus Timing - Write Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 30 - JTAG Test Port Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Figure 31 - Frame Pulse Input and Clock Input Timing Diagram (ST-BUS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Figure 32 - Frame Pulse Input and Clock Input Timing Diagram (GCI-Bus) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Figure 33 - ST-BUS Input Timing Diagram when Operated at 2 Mbps, 4 Mbps, 8 Mbps. . . . . . . . . . . . . . . . . . . 101
Figure 34 - ST-BUS Input Timing Diagram when Operated at 16 Mbps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Figure 35 - GCI-Bus Input Timing Diagram when Operated at 2 Mbps, 4 Mbps, 8 Mbps . . . . . . . . . . . . . . . . . . 102
Figure 36 - GCI-Bus Input Timing Diagram when Operated at 16 Mbps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Figure 37 - ST-BUS Output Timing Diagram when Operated at 2, 4, 8 or 16 Mbps . . . . . . . . . . . . . . . . . . . . . . 104
Figure 38 - GCI-Bus Output Timing Diagram when Operated at 2, 4, 8 or 16 Mbps . . . . . . . . . . . . . . . . . . . . . . 105
Figure 39 - Serial Output and External Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Figure 40 - Output Drive Enable (ODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Figure 41 - Input and Output Frame Boundary Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 42 - FPo0 and CKo0 or FPo3 and CKo3 (4.096 MHz) Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Figure 43 - FPo1 and CKo1 or FPo3 and CKo3 (8.192 MHz) Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 44 - FPo2 and CKo2 or FPo3 and CKo3 (16.384 MHz) Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 45 - FPo3 and CKo3 (32.768 MHz) Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Figure 46 - FPo4 and CKo4 Timing Diagram (1.544/2.048 MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 47 - CKo5 Timing Diagram (19.44 MHz). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 48 - REF0 - 3 Reference Input/Output Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
6
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
List of Figures
Figure 49 - Output Timing (ST-BUS Format) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
List of Tables
Table 1 - CKi and FPi Configurations for Master and Divided Slave Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 2 - CKi and FPi Configurations for Multiplied Slave Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 3 - Output Timing Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 4 - Delay for Variable Delay Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 5 - Connection Memory Low After Block Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 6 - Connection Memory High After Block Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 7 - ZL50015 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 8 - Preferred Reference Selection Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 9 - DPLL Input Reference Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Table 10 - Generated Output Frequencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 11 - Values for Single Period Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 12 - Multi-Period Hysteresis Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 13 - Input and Output Voice and Data Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 14 - Definition of the Four Quadrant Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 15 - Quadrant Frame Bit Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 16 - Address Map for Registers (A13 = 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Table 17 - Control Register (CR) Bits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Table 18 - Internal Mode Selection Register (IMS) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Table 19 - Software Reset Register (SRR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 20 - Output Clock and Frame Pulse Control Register (OCFCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Table 21 - Output Clock and Frame Pulse Selection Register (OCFSR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 22 - FPo_OFF[n] Register (FPo_OFF[n]) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Table 23 - Internal Flag Register (IFR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 24 - BER Error Flag Register 0 (BERFR0) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 25 - BER Receiver Lock Register 0 (BERLR0) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 26 - DPLL Control Register (DPLLCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 27 - Reference Frequency Register (RFR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Table 28 - Centre Frequency Register - Lower 16 Bits (CFRL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Table 29 - Centre Frequency Register - Upper 10 Bits (CFRU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Table 30 - Frequency Offset Register (FOR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 31 - Lock Detector Threshold Register (LDTR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 32 - Lock Detector Interval Register (LDIR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 33 - Slew Rate Limit Register (SRLR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 34 - Reference Change Control Register (RCCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 35 - Reference Change Status Register (RCSR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 36 - Interrupt Register (IR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Table 37 - Interrupt Mask Register (IMR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 38 - Interrupt Clear Register (ICR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 39 - Reference Failure Status Register (RSR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Table 40 - Reference Mask Register (RMR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Table 41 - Reference Frequency Status Register (RFSR) Bits - Read only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Table 42 - Output Jitter Control Register (OJCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table 43 - Stream Input Control Register 0 - 15 (SICR0 - 15) Bits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table 44 - Stream Input Quadrant Frame Register 0 - 15 (SIQFR0 - 15) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Table 45 - Stream Output Control Register 0 - 15 (SOCR0 - 15) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 46 - BER Receiver Start Register [n] (BRSR[n]) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Table 47 - BER Receiver Length Register [n] (BRLR[n]) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Table 48 - BER Receiver Control Register [n] (BRCR[n]) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
8
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
List of Tables
Table 49 - BER Receiver Error Register [n] (BRER[n]) Bits - Read Only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Table 50 - Address Map for Memory Locations (A13 = 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Table 51 - Connection Memory Low (CM_L) Bit Assignment when CMM = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Table 52 - Connection Memory Low (CM_L) Bit Assignment when CMM = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Table 53 - Connection Memory High (CM_H) Bit Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
9
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
Changes Summary
The following table captures the changes from the October 2004 issue.
Page
Item
Change
38, 70, 72
Section 12.1, “DPLL Timing Modes“ on
page 38
RCCR Register bits “FDM1 - 0” on page 70
RCCR Register bits “DPM1 - 0” on page 72
•
The on-chip DPLL’s normal, holdover, automatic,
and freerun modes are now collectively referred
to as DPLL timing modes instead of operation
modes. This change is to avoid confusion with
the two main device operating modes; the
master and slave modes.
39
12.1.3.1, “Automatic Reference Switching
Without Preferences“ and 12.1.3.2,
“Automatic Reference Switching With
Preferences“
•
Added two new sections, Section 12.1.3.1 and
Section 12.1.3.2 to clarify the DPLL’s automatic
reference switching with and without preference
operations in Automatic Timing Mode.
68
Table 31, Lock Detector Threshold
Register (LDTR) Bits
•
Clarified threshold calculations.
70
Table 34, Reference Change Control
Register (RCCR) Bits
•
Added description to clarify that only two
consecutive references can be used in
automatic timing mode with a preferred
reference.
10
Zarlink Semiconductor Inc.
ZL50015
1.0
Pinout Diagrams
1.1
BGA Pinout
Data Sheet
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
VSS
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VSS
A
B
NC
STi10
STi5
STi4
CKo2
STi0
CKo0
REF2
VDD_
COREA
FPi
CKi
OSCi
ODE
NC
B
C
NC
STi9
VSS
STi7
STi6
STi1
CKo1
REF_
FAIL2
VSS
D
NC
STi11
VDD_IO
STi3
STi2
CKo4
REF3
REF1
REF_
FAIL0
VSS
E
NC
STi14
STi8
VDD_IO
VSS
VDD_
CORE
REF_
FAIL3
REF_
FAIL1
REF0
F
NC
STi15
STi12
STi13
VDD_IO
VDD_
CORE
VDD_
CORE
VSS
G
NC
RESET
TDo
VDD_IO
VSS
H
NC
VSS
VSS
VDD_
COREA
CKo5
VSS
J
NC
VDD_IOA
VDD_IOA
VSS
VSS
K
NC
VSS
TMS
VSS
L
NC
VDD_
COREA
TRST
M
NC
NC
N
NC
P
IC_Open IC_Open
OSCo
IC_GND
VSS
STio15
NC
C
FPo_
OFF1
OSC_
EN
STio13
VDD_IO
STio14
NC
D
NC
VDD_
CORE
VSS
VDD_IO
STio12
FPo2
NC
E
VSS
VDD_
CORE
VDD_
CORE
VDD_IO
IC_Open
FPo3
FPo_
OFF2
NC
F
VSS
VSS
VSS
VDD_IO
A12
A13
FPo1
FPo0
NC
G
VSS
VSS
VSS
VSS
A7
A9
A10
FPo_
OFF0
A11
NC
H
CKo3
VSS
VSS
VSS
VSS
A3
A4
A5
A8
A6
NC
J
VDD_
COREA
VDD_IO
VSS
VSS
VSS
VSS
VDD_IO
IC_Open
A0
A2
A1
NC
K
TCK
VDD_IO
VDD_
CORE
VDD_
CORE
VSS
VSS
VDD_
CORE
VDD_
CORE
VDD_IO
STio10
STio11
STio9
NC
L
TDi
D0
VSS
VDD_
CORE
VDD_
CORE
D6
D10
VDD_
CORE
VDD_
CORE
VSS
MOT
_INTEL
MODE_
4M0
STio8
NC
M
NC
VDD_IO
STio0
STOHZ3
D1
D5
D7
D11
D13
R/W
_WR
DTA_
RDY
STio4
VDD_IO
STOHZ5
NC
N
NC
NC
VSS
STio1
STio3
STOHZ1
D3
D8
D14
IRQ
STio5
VSS
STOHZ7
NC
P
R
NC
NC
STOHZ0
STio2
STOHZ2
D2
D4
D9
D12
D15
CS
DS_RD
MODE_
4M1
STio6
STio7
NC
R
T
VSS
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VSS
T
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC_GND IC_Open
IC_Open IC_Open
STOHZ4 STOHZ6
Note: A1 corner identified by metallized marking.
Note: Pinout is shown as viewed through top of package.
Figure 2 - ZL50015 256-Ball 17 mm x 17 mm PBGA (as viewed through top of package)
11
Zarlink Semiconductor Inc.
ZL50015
NC
NC
NC
NC
VSS
STi_7
VDD_IO
STi_6
STi_5
STi_4
STi_3
STi_2
STi_1
STi_0
VSS
VDD_IO
CKo4
VSS
CKo2
VDD_CORE
CKo1
VSS
CKo0
VDD_IO
REF3
REF_FAIL3
REF2
REF_FAIL2
REF1
REF_FAIL1
VSS
REF0
VDD_IO
REF_FAIL0
VSS
VDD_COREA
VSS
FPi
CKi
IC_Open
IC_Open
IC_Open
IC_Open
OSCo
OSCi
VSS
VDD_CORE
VSS
IC_GND
VDD_IO
VSS
ODE
NC
NC
NC
NC
NC
NC
NC
VDD_IO
NC
NC
NC
NC
QFP Pinout
192 190 188 186 184 182 180 178 176 174 172 170 168 166 164 162 160 158 156 154 152 150 148 146 144 142 140 138 136 134 132 130
128
194
126
196
124
198
122
200
120
202
118
204
116
206
114
208
112
210
110
212
108
214
106
216
104
218
102
220
100
222
98
224
96
226
94
228
92
230
90
232
88
234
86
236
84
238
82
240
80
242
78
244
76
246
74
248
72
250
70
252
68
254
66
8
10
12
14
16
18
20
22
24
26
28
30 32
34
36
38
40
42
44
46
48
50
52
54
56
D12
58 60
62
64
VSS
NC
NC
NC
NC
6
VDD_IO
4
STOHZ_7
2
STOHZ_6
256
VSS
D13
D14
D15
R/W_WR
CS
MOT_INTEL
DS_RD
IRQ
DTA_RDY
VDD_CORE
MODE_4M0
VSS
MODE_4M1
VDD_IO
VSS
STio_4
STio_5
STio_6
STio_7
STOHZ_4
STOHZ_5
NC
NC
VDD_IO
NC
NC
STi_8
VSS
STi_9
STi_10
STi_11
STi_12
STi_13
STi_14
STi_15
VDD_IO
IC_GND
VSS
IC_Open
RESET
TDo
VDD_CORE
VSS
NC
VSS
VDD_COREA
VSS
NC
VDD_IOA
CKo5
VSS
VSS
VDD_COREA
NC
VDD_IOAAA
CKo3
VSS
NC
VSS
VDD_COREA
VSS
VDD_CORE
TMS
VSS
NC
NC
TCK
TRST
TDi
VDD_IO
VSS
NC
NC
NC
NC
NC
NC
VDD_IO
NC
VSS
NC
NC
NC
NC
NC
NC
NC
NC
NC
VDD_IO
STio_0
STio_1
VSS
STio_2
STio_3
STOHZ_0
STOHZ_1
STOHZ_2
STOHZ_3
VDD_IO
D0
VSS
D1
VDD_CORE
D2
VSS
D3
D4
D5
D6
D7
D8
D9
VDD_IO
D10
VSS
D11
VDD_CORE
1.2
Data Sheet
Figure 3 - ZL50015 256-Lead 28 mm x 28 mm LQFP (top view)
12
Zarlink Semiconductor Inc.
NC
NC
NC
NC
NC
VSS
NC
VDD_IO
NC
NC
STio_15
STio_14
STio_13
STio_12
VSS
VDD_IO
FPo3
VSS
FPo2
VDD_CORE
FPo_OFF2
OSC_EN
FPo1
IC_Open
FPo_OFF1
VSS
FPo0
VDD_IO
FPo_OFF0
A13
A12
VSS
A11
VDD_CORE
A10
A9
A8
A7
A6
A5
A4
A3
A2
VSS
A1
VDD_CORE
A0
VSS
IC_Open
VDD_IO
NC
NC
NC
NC
STio_11
STio_10
STio_9
VSS
STio_8
VDD_IO
NC
NC
NC
NC
ZL50015
2.0
Data Sheet
Pin Description
PBGA Pin
Number
LQFP Pin
Number
E6, E11, F6,
F7, F10,
F11, L6, L7,
L10, L11,
M6, M7,
M10, M11
19, 33,
45, 83,
95, 109,
146, 173,
213, 233
VDD_CORE
Power Supply for the core logic: +1.8 V
H4, K5, B9,
L2
217, 231,
157, 224
VDD_COREA
Power Supply for analog circuitry: +1.8 V
D3, D14, E4,
E13, F5,
F12, G6,
G11, K6,
K11, L5,
L12, N3,
N14
5, 15, 29,
49, 57,
69, 79,
101, 113,
121, 133,
143, 160,
169, 177,
186, 195,
207, 241,
249
VDD_IO
Power Supply for I/O: +3.3 V
J2, J3
220, 226
VDD_IOA
Power Supply for the CKo5 and CKo3 outputs: +3.3 V
A1, A16, C3,
C9, C14,
D10, E5,
E12, F8, F9,
G7, G8, G9,
G10, H2,
H3, H6, H7,
H8, H9,
H10, J4, J5,
J7, J8, J9,
J10, K2, K4,
K7, K8, K9,
K10, L8, L9,
M5, M12,
P3, P14, T1,
T16
8, 17, 21,
31, 35,
47, 50,
60, 71,
81, 85,
97, 103,
111, 114,
123, 142,
145, 147,
156, 158,
162, 171,
175, 178,
188, 199,
209, 214,
216, 218,
222, 223,
228, 230,
232, 235,
242, 251
VSS
Pin Name
Description
Ground
13
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
PBGA Pin
Number
LQFP Pin
Number
Pin Name
Description
K3
234
TMS
Test Mode Select (5 V-Tolerant Input with Internal Pull-up)
JTAG signal that controls the state transitions of the TAP controller.
This pin is pulled high by an internal pull-up resistor when it is not
driven.
L4
238
TCK
Test Clock (5 V-Tolerant Schmitt-Triggered Input with Internal
Pull-up)
Provides the clock to the JTAG test logic.
L3
239
TRST
Test Reset (5 V-Tolerant Input with Internal Pull-up)
Asynchronously initializes the JTAG TAP controller by putting it in
the Test-Logic-Reset state. This pin should be pulsed low during
power-up to ensure that the device is in the normal functional
mode. When JTAG is not being used, this pin should be pulled low
during normal operation.
M3
240
TDi
Test Serial Data In (5 V-Tolerant Input with Internal Pull-up)
JTAG serial test instructions and data are shifted in on this pin.
This pin is pulled high by an internal pull-up resistor when it is not
driven.
G5
212
TDo
Test Serial Data Out (5 V-Tolerant Three-state Output)
JTAG serial data is output on this pin on the falling edge of TCK.
This pin is held in high impedance state when JTAG is not
enabled.
B12, B13,
C10, C11,
F13, G4,
K12
80, 105,
150, 151,
152, 153,
210
IC_Open
Internal Test Mode (5 V-Tolerant Input with Internal Pull-down)
These pins may be left unconnected.
C13, G3
144, 208
IC_GND
Internal Test Mode Enable (5 V-Tolerant Input)
These pins MUST be low.
14
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
PBGA Pin
Number
LQFP Pin
Number
A8, A9, A14,
A15, E10,
M2, N2, P2,
P16, R2,
R16, T6, T7,
T8, T9, T10,
T11, T12,
T13, T14,
T15, D16,
E16, C16,
B16, A13,
A12, A10,
A11, N1,
M1, P1, R1,
T2, T3, T5,
T4, N16,
M16, L16,
K16, H16,
J16, G16,
F16, E1, D1,
G1, F1, J1,
H1, K1, L1,
A7, A5, A6,
A4, A3, A2,
C1, B1
61, 62,
63, 64,
65, 66,
67, 68,
134, 135,
136, 137,
138, 139,
140, 215,
219, 225,
229, 236,
237, 125,
126, 127,
128, 129,
130, 131,
132, 253,
254, 255,
256, 1, 2,
3, 4, 75,
76, 77,
78, 119,
120, 122,
124, 243,
244, 245,
246, 247,
248, 250,
252, 189,
190, 191,
192, 193,
194, 196,
197
NC
M14, R13
46, 48
MODE_4M0,
MODE_4M1
4 M Input Clock Mode 0 to 1 (5 V-Tolerant Input with internal
pull-down) These two pins should be tied together and are
typically used to select CKi = 4.096 MHz operation. See Table 7,
“ZL50015 Operating Modes” on page 37 for a detailed explanation.
See Table 17, “Control Register (CR) Bits” on page 53 for CKi and
FPi selection using the CKIN1 - 0 bits.
D12
107
OSC_EN
Oscillator Enable (5 V-Tolerant Input with Internal Pull-down) If
tied high, this pin indicates that there is a 20 MHz external
oscillator interfacing with the device. If tied low, there is no
oscillator and CKi will be used for master clock generation.
If the device is in master mode, an external oscillator is required
and this pin MUST be tied high.
Pin Name
Description
No Connect
These pins MUST be left unconnected.
15
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
PBGA Pin
Number
LQFP Pin
Number
Pin Name
Description
C12
149
OSCo
Oscillator Clock Output (3.3 V Output)
If OSC_EN = ‘1’, this pin should be connected to a 20 MHz crystal
(see Figure 23 on page 90) or left unconnected if a clock oscillator
is connected to OSCi pin under normal operation (see Figure 24
on page 91). If OSC_EN = 0, this pin MUST be left unconnected.
B14
148
OSCi
Oscillator Clock Input (3.3 V Input)
If OSC_EN = ‘1’, this pin should be connected to a 20 MHz crystal
(see Figure 23 on page 90) or to a clock oscillator under normal
operation (see Figure 24 on page 91). If OSC_EN = 0, this pin
MUST be driven high or low by connecting either to VDD_IO or to
ground.
E9, D8, B8,
D7
161, 164,
166, 168
REF0 - 3
DPLL Reference Inputs 0 to 3 (5 V-Tolerant Schmitt-Triggered
Inputs)
If the device is in Master mode, these input pins accept 8 kHz,
1.544 MHz, 2.048 MHz, 4.096 MHz, 8.192 MHz, 16.384 MHz or
19.44 MHz timing references independently. One of these inputs is
defined as the preferred or forced input reference for the DPLL.
The Reference Change Control Register (RCCR) selects the
control of the preferred reference.These pins are ignored if the
device is in slave mode unless SLV_DPLLEN (bit 13) in the
Control Register (CR) is set. When these input pins are not in use,
they MUST be driven high or low by connecting either to VDD_IO or
to ground.
D9, E8, C8,
E7
159, 163,
165, 167
REF_FAIL0 - 3
Failure Indication for DPLL References 0 to 3 (5 V-Tolerant
Three-state Outputs)
These output pins are used to indicate input reference failure when
the device is in master mode.
If REF0 fails, REF_FAIL0 will be driven high.
If REF1 fails, REF_FAIL1 will be driven high.
If REF2 fails, REF_FAIL2 will be driven high.
If REF3 fails, REF_FAIL3 will be driven high.
If the device is in slave mode, these pins are driven low, unless
SLV_DPLLEN (bit 13) in the Control Register (CR) is set.
G15, G14,
E15, F14
102, 106,
110, 112
FPo0 - 3
ST-BUS/GCI-Bus Frame Pulse Outputs 0 to 3 (5 V-Tolerant
Three-state Outputs)
FPo0: 8 kHz frame pulse corresponding to the 4.096 MHz output
clock of CKo0.
FPo1: 8 kHz frame pulse corresponding to the 8.192 MHz output
clock of CKo1.
FPo2: 8 kHz frame pulse corresponding to 16.384 MHz output
clock of CKo2.
FPo3: Programmable 8 kHz frame pulse corresponding to
4.096 MHz, 8.192 MHz, 16.384 MHz, or 32.768 MHz output clock
of CKo3.
In Divided Slave modes, the frame pulse width of FPo0 - 3 cannot
be narrower than the input frame pulse (FPi) width.
16
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
PBGA Pin
Number
LQFP Pin
Number
Pin Name
H14, D11
100, 104
FPo_OFF0 - 1
F15
108
FPo_OFF2
or
FPo5
Generated Offset Frame Pulse Output 2 or 19.44 MHz Frame
Pulse Output (5 V-Tolerant Three-state Output)
As FPo_OFF2, this is an individually programmable 8 kHz frame
pulse, offset from the output frame boundary by a programmable
number of channels.
By programming the FP19EN (bit 10) of FPOFF2 register to high,
this signal becomes FPo5, a non-offset frame pulse corresponding
to the 19.44 MHz clock presented on CKo5. FPo5 is only available
in Master mode or when the SLV_DPLLEN bit in the Control
Register is set high while the device is in one of the slave modes.
B7, C7, B5,
J6, D6, H5
170, 172,
174, 227,
176, 221
CKo0 - 5
ST-BUS/GCI-Bus Clock Outputs 0 to 5 (5 V-Tolerant
Three-state Outputs)
CKo0: 4.096 MHz output clock.
CKo1: 8.192 MHz output clock.
CKo2: 16.384 MHz output clock.
CKo3: 4.096 MHz, 8.192 MHz, 16.384 MHz or 32.768 MHz
programmable output clock.
CKo4: 1.544 MHz or 2.048 MHz programmable output clock.
CKo5: 19.44 MHz output clock.
See Section 6.0 on page 24 for details. In Divided Slave mode, the
frequency of CKo0 - 3 cannot be higher than input clock (CKi).
CKo4 and CKo5 are only available in Master mode or when the
SLV_DPLLEN bit in the Control Register is set high while the
device is in one of the slave modes.
B10
155
FPi
ST-BUS/GCI-Bus
Frame
Pulse
Input
(5 V-Tolerant
Schmitt-Triggered Input)
This pin accepts the frame pulse which stays active for 61 ns,
122 ns or 244 ns at the frame boundary. The frame pulse
frequency is 8 kHz. The frame pulse associated with the highest
input or output data rate must be applied to this pin when the
device is operating in Divided Slave mode or Master mode. The
exception is if the device is operating in Master mode with
loopback (i.e., CKi_LP is set in the Control Register). In that case,
this input must be tied high or low externally. When the device is
operating in Multiplied Slave mode, the frame pulse associated
with the highest input data rate must be applied to this pin. For all
modes (except Master mode with loopback), if the data rate is
16.384 Mbps, a 61 ns wide frame pulse must be used. By default,
the device accepts a negative frame pulse in ST-BUS format, but it
can accept a positive frame pulse instead if the FPINP bit is set
high in the Control Register (CR). It can accept a GCI-formatted
frame pulse by programming the FPINPOS bit in the Control
Register (CR) to high.
Description
Generated Offset Frame Pulse Outputs 0 to 1 (5 V-Tolerant
Three-state Outputs)
Individually programmable 8 kHz frame pulses, offset from the
output frame boundary by a programmable number of channels.
17
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
PBGA Pin
Number
LQFP Pin
Number
Pin Name
Description
B11
154
CKi
ST-BUS/GCI-Bus Clock Input (5 V-Tolerant Schmitt Triggered
Input)
This pin accepts a 4.096 MHz, 8.192 MHz or 16.384 MHz clock.
The clock frequency associated with twice the highest input or
output data rate must be applied to this pin when the device is
operating in either Divided Slave mode or Master mode. The
exception is if the device is operating in Master mode with
loopback (i.e., CKi_LP is set in the Control Register). In that case,
this input must be tied high or low externally. The clock frequency
associated with twice the highest input data rate must be applied
to this pin when the device is operating in Multiplied Slave mode.
In all modes of operation (except Master mode with loopback),
when data is running at 16.384 Mbps, a 16.384 MHz clock must be
used. By default, the clock falling edge defines the input frame
boundary, but the device allows the clock rising edge to define the
frame boundary by programming the CKINP bit in the Control
Register (CR).
B6, C6, D5,
D4, B4, B3,
C5, C4, E3,
C2, B2, D2,
F3, F4, E2,
F2
179, 180,
181, 182,
183, 184,
185, 187,
198, 200,
201, 202,
203, 204,
205, 206
STi0 - 15
Serial Input Streams 0 to 15 (5 V-Tolerant Inputs with Enabled
Internal Pull-downs)
The data rate of each input stream can be selected independently
using the Stream Input Control Registers (SICR[n]). In the
2.048 Mbps mode, these pins accept serial TDM data streams at
2.048 Mbps with 32 channels per frame. In the 4.096 Mbps mode,
these pins accept serial TDM data streams at 4.096 Mbps with 64
channels per frame. In the 8.192 Mbps mode, these pins accept
serial TDM data streams at 8.192 Mbps with 128 channels per
frame. In the 16.384 Mbps mode, these pins accept TDM data
streams at 16.384 Mbps with 256 channels per frame.
N4, P4, R4,
P5, N13,
P11, R14,
R15, M15,
L15, L13,
L14, E14,
D13, D15,
C15
6, 7, 9,
10, 51,
52, 53,
54, 70,
72, 73,
74, 115,
116, 117,
118
STio 0 - 15
Serial Output Streams 0 to 15 (5 V-Tolerant Slew-Rate-Limited
Three-state I/Os with Enabled Internal Pull-downs)
The data rate of each output stream can be selected
independently using the Stream Output Control Registers
(SOCR[n]). In the 2.048 Mbps mode, these pins output serial TDM
data streams at 2.048 Mbps with 32 channels per frame. In the
4.096 Mbps mode, these pins output serial TDM data streams at
4.096 Mbps with 64 channels per frame. In the 8.192 Mbps mode,
these pins output serial TDM data streams at 8.192 Mbps with 128
channels per frame. In the 16.384 Mbps mode, these pins output
serial TDM data streams at 16.384 Mbps with 256 channels per
frame.These output streams can be used as bi-directionals by
programming BDL (bit 6) of Internal Mode Selection (IMS) register.
18
Zarlink Semiconductor Inc.
ZL50015
PBGA Pin
Number
LQFP Pin
Number
R3, P6, R5,
N5, P12,
N15, P13,
P15
Data Sheet
Pin Name
Description
11, 12,
13, 14,
55, 56,
58, 59
STOHZ 0 - 7
Serial Output Streams High Impedance Control 0 to 7
(5 V-Tolerant Slew-Rate-Limited Three-state Outputs)
These pins are used to enable (or disable) external three-state
buffers. When an output channel is in the high impedance state,
the STOHZ drives high for the duration of the corresponding output
channel. When the STio channel is active, the STOHZ drives low
for the duration of the corresponding output channel. STOHZ
outputs are available for STio0 - only.
B15
141
ODE
Output Drive Enable (5 V-Tolerant Input with Internal Pull-up)
This is the output enable control for STio0 - 15 and the
output-driven-high control for STOHZ0 - 7. When it is high, STio0 15 and STOHZ0 - 7 are enabled. When it is low, STio0 - 15 are
tristated and STOHZ0 - 7 are driven high.
M4, N6, R6,
P7, R7, N7,
M8, N8, P8,
R8, M9, N9,
R9, N10, P9,
R10
16, 18,
20, 22,
23, 24,
25, 26,
27, 28,
30, 32,
34, 36,
37, 38
D0 - 15
Data Bus 0 to 15 (5 V-Tolerant Slew-Rate-Limited Three-state
I/Os)
These pins form the 16-bit data bus of the microprocessor port.
N12
44
DTA_RDY
Data Transfer Acknowledgment_Ready (5 V-Tolerant
Three-state Output)
This active low output indicates that a data bus transfer is
complete for the Motorola interface. For the Intel interface, it
indicates a transfer is completed when this pin goes from low to
high. An external pull-up resistor MUST hold this pin at HIGH level
for the Motorola mode. An external pull-down resistor MUST hold
this pin at LOW level for the Intel mode.
R11
40
CS
Chip Select (5 V-Tolerant Input)
Active low input used by the Motorola or Intel microprocessor to
enable the microprocessor port access.
N11
39
R/W_WR
Read/Write_Write (5 V-Tolerant Input)
This input controls the direction of the data bus lines (D0 - 15)
during a microprocessor access. For the Motorola interface, this
pin is set high and low for the read and write access respectively.
For the Intel interface, a write access is indicated when this pin
goes low.
R12
42
DS_RD
Data Strobe_Read (5 V-Tolerant Input)
This active low input works in conjunction with CS to enable the
microprocessor port read and write operations for the Motorola
interface. A read access is indicated when it goes low for the Intel
interface.
19
Zarlink Semiconductor Inc.
ZL50015
PBGA Pin
Number
LQFP Pin
Number
K13, K15,
K14, J11,
J12, J13,
J15, H11,
J14, H12,
H13, H15,
G12, G13
82, 84,
86, 87,
88, 89,
90, 91,
92, 93,
94, 96,
98, 99
A0 - 13
M13
41
MOT_INTEL
P10
43
IRQ
G2
211
RESET
3.0
Pin Name
Data Sheet
Description
Address 0 to 13 (5 V-Tolerant Inputs)
These pins form the 14-bit address bus to the internal memories
and registers.
Motorola_Intel (5 V-Tolerant Input with Enabled Internal
Pull-up)
This pin selects the Motorola or Intel microprocessor interface to
be connected to the device. When this pin is unconnected or
connected to high, Motorola interface is assumed. When this pin is
connected to ground, Intel interface should be used.
Interrupt (5 V-Tolerant Three-state Output)
This programmable active low output indicates that the internal
operating status of the DPLL has changed. An external pull-up
resistor MUST hold this pin at HIGH level.
Device Reset (5 V-Tolerant Input with Internal Pull-up)
This input (active LOW) puts the device in its reset state that
disables the STio0 - 15 drivers and drives the STOHZ0 - 7 outputs
to high. It also preloads registers with default values and clears all
internal counters. To ensure proper reset action, the reset pin must
be low for longer than 1 µs. Upon releasing the reset signal to the
device, the first microprocessor access cannot take place for at
least 600 µs due to the time required to stabilize the device and
the crystal oscillator from the power-down state. Refer to Section
Section 17.2 on page 46 for details.
Device Overview
The device has sixteen ST-BUS/GCI-Bus inputs (STi0 - 15) and sixteen ST-BUS/GCI-Bus outputs (STio0 - 15).
STio0 - 15 can also be configured as bi-directional pins, in which case STi0 - 15 will be ignored. It is a non-blocking
digital switch with 1024 64 kbps channels and is capable of performing rate conversion between ST-BUS/GCI-Bus
inputs and ST-BUS/GCI-Bus outputs. The ST-BUS/GCI-Bus inputs accept serial input data streams with data rates
of 2.048 Mbps, 4.096 Mbps, 8.192 Mbps and 16.384 Mbps on a per-stream basis. The ST-BUS/GCI-Bus outputs
deliver serial data streams with data rates of 2.048 Mbps, 4.096 Mbps and, 8.192 Mbps and 16.384 Mbps on a
per-stream basis. The device also provides eight high impedance control outputs (STOHZ0 - 7) to support the use
of external ST-BUS/GCI-Bus tristate drivers for the first eight ST-BUS/GCI-Bus outputs (STio0 -7).
By using Zarlink’s message mode capability, microprocessor data stored in the connection memory can be
broadcast to the output streams on a per-channel basis. This feature is useful for transferring control and status
information for external circuits or other ST-BUS/GCI-Bus devices.
The device uses the ST-BUS/GCI-Bus input frame pulse (FPi) and the ST-BUS/GCI-Bus input clock (CKi) to define
the input frame boundary and timing for sampling the ST-BUS/GCI-Bus input streams with various data rates. The
output data streams will be driven by and have their timing defined by FPi and CKi in Divided Slave mode. In
Multiplied Slave mode, the output data streams will be driven by an internally generated clock, which is multiplied
20
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
from CKi internally. In Master mode, the on-chip DPLL will drive the output data streams and provide output clocks
and frame pulses. Refer to Application Note ZLAN-120 for further explanation of the different modes of operation.
When the device is in Master mode, the DPLL is phase-locked to one of four DPLL reference signals, REF0 - 3,
which are sourced by an external 8 kHz, 1.544 MHz, 2.048 MHz, 4.096 MHz, 8.192 MHz, 16.384 MHz or
19.44 MHz reference signal. The on-chip DPLL also offers jitter attenuation, reference switching, reference
monitoring, freerun and holdover functions. The jitter performance exceeds the Stratum 4E specification. The
intrinsic jitter of all output clocks is less than 1 ns (except for the 1.544 MHz output).
There are two slave modes for this device:
The first is the Divided Slave mode. In this mode, output streams are clocked by input CKi. Therefore the output
streams have exactly the same jitter as the input streams. The output data rate can be the same as or lower than
the input data rate, but the output data rate cannot be higher than what CKi can drive. For example, if CKi is
4.096 MHz, the output data rate cannot be higher than 2.048 Mbps. The second slave mode is called Multiplied
Slave mode. In this mode, CKi is used to generate a 16.384 MHz clock internally, and output streams are driven by
this 16.384 MHz clock. In Multiplied Slave mode, the data rate of output streams can be any rate, but output jitter
may not be exactly the same as input jitter.
A Motorola or Intel compatible non-multiplexed microprocessor port allows users to program the device to operate
in various modes under different switching configurations. Users can use the microprocessor port to perform
internal register and memory read and write operations. The microprocessor port has a 16-bit data bus, a 14-bit
address bus and six control signals (MOT_INTEL, CS, DS_RD, R/W_WR, IRQ and DTA_RDY).
The device supports the mandatory requirements of the IEEE-1149.1 (JTAG) standard via the test port.
4.0
Data Rates and Timing
The ZL50015 has 16 serial data inputs and 16 serial data outputs. Each stream can be individually programmed to
operate at 2.048 Mbps, 4.096 Mbps, 8.192 Mbps or 16.384 Mbps. Depending on the data rate there will be 32
channels, 64 channels, 128 channels or 256 channels, respectively, during a 125 µs frame.
The output streams can be programmed to operate as bi-directional streams. By setting BDL (bit 6) in the Internal
Mode Selection (IMS) register, the input streams 0 - 15 (STi0 - 15) are internally tied low, and the output streams 0
- 15 (STio0 - 15) are set to operate in a bi-directional mode.
The input data rate is set on a per-stream basis by programming STIN[n]DR3 - 0 (bits 3 - 0) in the Stream Input
Control Register 0 - 15 (SICR0 - 15). The output data rate is set on a per-stream basis by programming STO[n]DR3
- 0 (bits 3 - 0) in the Stream Output Control Register 0 - 15 (SOCR0 - 15). The output data rates do not have to
match or follow the input data rates. The maximum number of channels switched is limited to 1024 channels. If all
16 input streams were operating at 16.384 Mbps (256 channels per stream), this would result in 4096 channels.
Memory limitations prevent the device from operating at this capacity. A maximum capacity of 1024 channels will
occur if four of the streams are operating at 16.384 Mbps, eight of the streams are operating at 8.192 Mbps or all
streams operating at 4.096 Mbps. With all streams operating at 2.048 Mbps, the capacity will be reduced to 512
channels. However, as each stream can be programmed to a different data rate, any combination of data rates can
be achieved, as long as the total channel count does not exceed 1024 channels. It should be noted that only full
stream can be programmed for use. The device does not allow fractional streams.
4.1
External High Impedance Control, STOHZ0 - 7
There are 16 external high impedance control signals, STOHZ0 - 7, that are used to control the external drivers for
per-channel high impedance operations. Only the first eight ST-BUS/GCI-Bus (STio0 - 7) outputs are provided with
corresponding STOHZ signals. The STOHZ outputs deliver the appropriate number of control timeslot channels
based on the output stream data rate. Each control timeslot lasts for one channel time. When the ODE pin is high
and the OSB (bit 2) of the Control Register (CR) is also high, STOHZ0 - 7 are enabled. When the ODE pin, OSB (bit
2) of the Control Register (CR) or the RESET pin is low, STOHZ0 - 7 are driven high, together with all the
ST-BUS/GCI-Bus outputs being tristated. Under normal operation, the corresponding STOHZ outputs of any
21
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
unused ST-BUS/GCI-Bus channel (high impedance) are driven high. Refer to Figure 18 on page 33 for a
diagrammatical explanation.
4.2
Input Clock (CKi) and Input Frame Pulse (FPi) Timing
The input clock for the ZL50015 can be arranged in one of three different ways. These different ways will be
explained further in Section 11.1 to Section 11.3 on page 38. Depending on the mode of operation, the input clock,
CKi, will be based on the highest data rate of either the input or both the input and output data rates. The user has
to program the CKIN1 - 0 (bits 6 - 5) in the Control Register (CR) to indicate the width of the input frame pulse and
the frequency of the input clock supplied to the device.
In Master mode and Divided Slave mode, the input clock, CKi, must be at least twice the highest input or output
data rate. For example, if the highest input data rate is 4.096 Mbps and the highest output data rate is 8.192 Mbps,
the input clock, CKi, must be 16.384 MHz, which is twice the highest overall data rate. The only exception to this is
for 16.384 Mbps input or output data. In this case, the input clock, CKi, is equal to the data rate. The input frame
pulse, FPi, must always follow CKi.
In Master mode, CKo2 and FPo2 can be programmed to be used as CKi and FPi by setting CKi_LP (bit 10) in the
Control Register (CR). This will internally loop back the CKo2 and FPo2 timing. When this bit is set, CKi and FPi
must be tied low or high externally.
Highest Input or Output
Data Rate
CKIN 1-0 Bits
Input Clock Rate (CKi)
Input Frame Pulse (FPi)
16.384 Mbps or 8.192 Mbps
00
16.384 MHz
8 kHz (61 ns wide pulse)
4.096 Mbps
01
8.192 MHz
8 kHz (122 ns wide pulse)
2.048 Mbps
10
4.096 MHz
8 kHz (244 ns wide pulse)
Table 1 - CKi and FPi Configurations for Master and Divided Slave Modes
In Multiplied Slave mode, the input clock, CKi, must be at least twice the highest input data rate, regardless of the
output data rate. Following the example above, if the highest input data rate is 4.096 Mbps, the input clock, CKi,
must be 8.192 MHz, regardless of the output data rate. The only exception to this is for 16.384 Mbps input data. In
this case, the input clock, CKi, is equal to the data rate. The input frame pulse, FPi, must always follow CKi.
Highest Input Data Rate
CKIN 1-0 Bits
Input Clock Rate (CKi)
Input Frame Pulse (FPi)
16.384 Mbps or 8.192 Mbps
00
16.384 MHz
8 kHz (61 ns wide pulse)
4.096 Mbps
01
8.192 MHz
8 kHz (122 ns wide pulse)
2.048 Mbps
10
4.096 MHz
8 kHz (244 ns wide pulse)
Table 2 - CKi and FPi Configurations for Multiplied Slave Mode
The ZL50015 accepts positive and negative ST-BUS/GCI-Bus input clock and input frame pulse formats via the
programming of CKINP (bit 8) and FPINP (bit 7) in the Control Register (CR). By default, the device accepts the
negative input clock format and ST-BUS format frame pulses. However, the switch can also accept a positive-going
clock format by programming CKINP (bit 8) in the Control Register (CR). A GCI-Bus format frame pulse can be
used by programming FPINPOS (bit 9) and FPINP (bit 7) in the Control Register (CR).
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Zarlink Semiconductor Inc.
ST-BUS
ZL50015
Data Sheet
FPi (244 ns)
FPINP = 0
FPINPOS = 0
FPi (244 ns)
FPINP = 1
FPINPOS = 0
GCI-Bus
FPi (244 ns)
FPINP = 0
FPINPOS = 1
FPi (244 ns)
FPINP = 1
FPINPOS = 1
CKi
(4.096 MHz)
CKINP = 0
CKi
(4.096 MHz)
CKINP = 1
Channel 0
STi
(2.048 Mbps)
0
Channel 31
7
6
1
0
7
ST-BUS
Figure 4 - Input Timing when CKIN1 - 0 bits = “10” in the CR
FPi (122 ns)
FPINP = 0
FPINPOS = 0
FPi (122 ns)
FPINP = 1
FPINPOS = 0
GCI-Bus
FPi (122 ns)
FPINP = 0
FPINPOS = 1
FPi (122 ns)
FPINP = 1
FPINPOS = 1
CKi
(8.192 MHz)
CKINP = 0
CKi
(8.192 MHz)
CKINP = 1
Channel 0
STi
(4.096 Mbps)
1
0
7
6
Channel 63
5
4
2
1
0
Figure 5 - Input Timing when CKIN1 - 0 bits = “01” in the CR
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Zarlink Semiconductor Inc.
7
6
ST-BUS
ZL50015
Data Sheet
FPi (61 ns)
FPINP = 0
FPINPOS = 0
FPi (61 ns)
FPINP = 1
FPINPOS = 0
GCI-Bus
FPi (61 ns)
FPINP = 0
FPINPOS = 1
FPi (61 ns)
FPINP = 1
FPINPOS = 1
CKi
(16.384 MHz)
CKINP = 0
CKi
(16.384 MHz)
CKINP = 1
Channel N = 127
Channel 0
STi
(8.192 Mbps)
1 0 7 6 5 4 3 2 1
5 4 3 2 1 0 7 6 5
Channel 0
STi
(16.384 Mbps)
Channel N = 255
321076543210765432
321076543210765432
Figure 6 - Input Timing when CKIN1 - 0 = “00” in the CR
5.0
ST-BUS and GCI-Bus Timing
The ZL50015 is capable of operating using either the ST-BUS or GCI-Bus standards. The output timing that the
device generates is defined by the bus standard. In the ST-BUS standard, the output frame boundary is defined by
the falling edge of CKo while FPo is low. In the GCI-Bus standard, the frame boundary is defined by the rising edge
of CKo while FPo goes high. The data rates define the number of channels that are available in a 125 µs frame
pulse period.
By default, the ZL50015 is configured for ST-BUS input and output timing. To set the input timing to conform to the
GCI-Bus standard, FPINPOS (bit 9) and FPINP (bit 7) in the Control Register (CR) must be set. To set output timing
to conform to the GCI-Bus standard, FPO[n]P and FPO[n]POS must be set in the Output Clock and Frame Pulse
Selection Register (OCFSR). The CKO[n]P bits in the Output Clock and Frame Pulse Selection Register control the
polarity (positive-going or negative-going) of the output clocks.
6.0
Output Timing Generation
The ZL50015 generates frame pulse and clock timing. There are five output frame pulse pins (FPo0 - 3, 5) and six
output clock pins (CKo0 - 5). All output frame pulses are 8 kHz output signals. By default, the output frame
boundary is defined by the falling edge of the CKo0, while FPo0 is low. At the output frame boundary, the CKo1,
CKo2 and CKo3 output clocks will by default have a falling edge, while FPo1, FPo2 and FPo3 will be low. At the
output frame boundary, CKo4 will by default have a falling edge while FPo0 is low (CKo4 has no corresponding
output frame pulse). At the output frame boundary, CKo5 will by default have a rising edge while FPo5 (FPo_OFF2)
will be low. The duration of the frame pulse low cycle and the frequency of the corresponding output clock are
shown in Table 3 on page 25. Every frame pulse and clock output can be tristated by programming the enable bits
in the Internal Mode Selection (IMS) register.
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Zarlink Semiconductor Inc.
ZL50015
Pin Name
Data Sheet
Output Timing Rate
Output Timing Unit
244
ns
4.096
MHz
122
ns
8.192
MHz
61
ns
16.384
MHz
244, 122, 61 or 30
ns
CKo3
4.096, 8.192, 16.384 or 32.768
MHz
CKo4
1.544 or 2.048
MHz
51
ns
19.44
MHz
FPo0 pulse width
CKo0
FPo1 pulse width
CKo1
FPo2 pulse width
CKo2
FPo3 pulse width
FPo5 pulse width
CKo5
Table 3 - Output Timing Generation
The output timing is dependent on the operation mode that is selected. When the device is in Divided Slave mode,
the frequencies on CKo0 - 3 cannot be greater than the input clock, CKi. For example, if the input clock is
8.192 MHz, the CKo2 pin will not produce a valid output clock and the CKo3 pin can only be programmed to output
a 4.096 MHz or 8.192 MHz clock signal. The output clocks CKo4 - 5 will not generate valid outputs unless the
SLV_DPLLEN (bit 13) of the Control Register (CR) is set.
In Master mode there are programmable output frame pulse, FPo3, and clock pins, CKo3 and CKo4. The outputs
from FPo3 and CKo3 are programmed by the CKOFPO3SEL1 - 0 (bits 13 - 12) in the Output Clock and Frame
Pulse Selection (OCFSR) register. The output clock pin, CKo4, is controlled by setting the CKO4SEL (bit 14) in the
OCFSR register.
In Multiplied Slave mode, CKo4 and CKo5 are not available unless SLV_DPLLEN is set in the Control Register. All
other clocks and frame pulses correspond to the timing shown in Table 3 above.
The device also delivers positive or negative output frame pulse and ST-BUS/GCI-Bus output clock formats via the
programming of various bits in the Output Clock and Frame Pulse Selection Register (OCFSR). By default, the
device delivers the negative output clock format. The ZL50015 can also deliver GCI-Bus format output frame pulses
by programming bits of the Output Clock and Frame Pulse Selection Register (OCFSR). As there is a separate bit
setting for each frame pulse output, some of the outputs can be set to operate in ST-BUS mode and others in
GCI-Bus mode.
The following figures describe the usage of the FPO0P, FPO1P, FPO2P, FPO3P, CKO0P, CKO1P, CKO2P, CKO3P,
CKO4P and CKO5P bits to generate the FPo0 - 3 and CKo0 - 5 timing. FPo_OFF2 is configured to provide the
non-offset frame pulse corresponding to the 19.44 MHz clock on CKo5 by setting the FP19EN (bit 10) in the
FPOFF2 register. In this instance, FPo_OFF2 can be labeled as FPo5.
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Zarlink Semiconductor Inc.
ST-BUS
ZL50015
CKOFPO0EN = 1
FPO0P = 0
FPO0POS = 0
CKOFPO0EN = 1
FPO0P = 1
FPO0POS = 0
GCI-Bus
CKOFPO0EN = 1
FPO0P = 0
FPO0POS = 1
CKOFPO0EN = 1
FPO0P = 1
FPO0POS = 1
CKOFPO0EN = 1
CKO0P = 0
CKo0 = 4.096 MHz
CKOFPO0EN = 1
CKO0P = 1
CKo0 = 4.096 MHz
ST-BUS
Figure 7 - Output Timing for CKo0 and FPo0
CKOFPO1EN = 1
FPO1P = 0
FPO1POS = 0
CKOFPO1EN = 1
FPO1P = 1
FPO1POS = 0
GCI-Bus
CKOFPO1EN = 1
FPO1P = 0
FPO1POS = 1
CKOFPO1EN = 1
FPO1P = 1
FPO1POS = 1
CKOFPO1EN = 1
CKO1P = 0
CKo1 = 8.192 MHz
CKOFPO1EN = 1
CKO1P = 1
CKo1 = 8.192 MHz
Figure 8 - Output Timing for CKo1 and FPo1
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Zarlink Semiconductor Inc.
Data Sheet
ST-BUS
ZL50015
Data Sheet
CKOFPO2EN = 1
FPO2P = 0
FPO2POS = 0
CKOFPO2EN = 1
FPO2P = 1
FPO2POS = 0
GCI-Bus
CKOFPO2EN = 1
FPO2P = 0
FPO2POS = 1
CKOFPO2EN = 1
FPO2P = 1
FPO2POS = 1
CKOFPO2EN = 1
CKO2P = 0
CKo2 = 16.384 MHz
CKOFPO2EN = 1
CKO2P = 1
CKo2 = 16.384 MHz
ST-BUS
Figure 9 - Output Timing for CKo2 and FPo2
CKOFPO3EN = 1
CKOFPO3SEL1-0 = 11
FPO3P = 0
FPO3POS = 0
CKOFPO3EN = 1
CKOFPO3SEL1-0 = 11
FPO3P = 1
FPO3POS = 0
GCI-Bus
CKOFPO3EN = 1
CKOFPO3SEL1-0 = 11
FPO3P = 0
FPO3POS = 1
CKOFPO3EN = 1
CKOFPO3SEL1-0 = 11
FPO3P = 1
FPO3POS = 1
CKOFPO3EN = 1
CKOFPO3SEL1-0 = 11
CKO3P = 0
CKo3 = 32.768 MHz
CKOFPO3EN = 1
CKOFPO3SEL1-0 = 11
CKO3P = 1
CKo3 = 32.768 MHz
NOTE:
When CKOFPO3SEL1-0 = “00,” the output for FPo3 and CKo3 follow the same as Figure 7: Output Timing for CKo0 and FPo0
When CKOFPO3SEL1-0 = “01,” the output for FPo3 and CKo3 follow the same as Figure 8: Output Timing for CKo1 and FPo1
When CKOFPO3SEL1-0 = “10,” the output for FPo3 and CKo3 follow the same as Figure 9: Output Timing for CKo2 and FPo2
Figure 10 - Output Timing for CKo3 and FPo3 with CKoFPo3SEL1-0=”11”
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Zarlink Semiconductor Inc.
ST-BUS
ZL50015
Data Sheet
CKOFPO0EN = 1
FPO0P = 0
FPO0POS = 0
CKOFPO0EN = 1
FPO0P = 1
FPO0POS = 0
GCI-Bus
CKOFPO0EN = 1
FPO0P = 0
FPO0POS = 1
CKOFPO0EN = 1
FPO0P = 1
FPO0POS = 1
CKOFPO4EN = 1
CKO4P = 0
CKO4SEL = 0
CKo4 = 2.048 MHz
CKO4EN = 1
CKO4P = 1
CKO4SEL = 0
CKo4 = 2.048 MHz
CKOFPO4EN = 1
CKO4P = 0
CKO4SEL = 1
CKo4 = 1.544 MHz
CKO4EN = 1
CKO4P = 1
CKO4SEL = 1
CKo4 = 1.544 MHz
Note:
While there is no frame pulse output directly tied to the CKo4, the output clocks are based on the frame pulse generated by FPo0
Figure 11 - Output Timing for CKo4
FPo5 (FPo_OFF2)
FP19EN = 1
CKO5EN = 1
CK5 = 19.44 MHz
Figure 12 - Output Timing for CKo5 and FPo5 (FPo_OFF2)
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Zarlink Semiconductor Inc.
ZL50015
7.0
Data Sheet
Data Input Delay and Data Output Advancement
Various registers are provided to adjust the input delay and output advancement for each input and output data
stream. The input bit delay and output bit advancement can vary from 0 to 7 bits for each individual stream.
If input delay of less than a bit is desired, different sampling points can be used to handle the adjustments. The
sampling point can vary from 1/4 to 4/4 with a 1/4-bit increment for all input streams, unless the stream is operating
at 16.384 Mbps, in which case the fractional bit delay has a 1/2-bit increment. By default, the sampling point is set
to the 3/4-bit location for non-16.384 Mbps data rates and the 1/2-bit location for the 16.384 Mbps data rate.
The fractional output bit advancement can vary from 0 to 3/4 bits, again with a 1/4-bit increment, unless the output
stream is operating at 16.384 Mbps, in which case the output bit advancement has a 1/2-bit increment from 0 to 1/2
bit. By default, there is 0 output bit advancement.
Although input delay or output advancement features are available on streams which are operating in bi-directional
mode it is not recommended, as it can easily cause bus contention. If users require this function, special attention
must be given to the timing to ensure contention is minimized.
7.1
Input Bit Delay Programming
The input bit delay programming feature provides users with the flexibility of handling different wire delays when
designing with source streams for different devices.
By default, all input streams have zero bit delay, such that bit 7 is the first bit that appears after the input frame
boundary (assuming ST-BUS formatting). The input delay is enabled by STIN[n]BD2-0 (bits 8 - 6) in the Stream
Input Control Register 0 - 15 (SICR0 - 15) as described in Table 43 on page 79. The input bit delay can range from
0 to 7 bits.
FPi
Last Channel
STi[n]
Bit Delay = 0
(Default)
Channel 1
Channel 0
Channel 2
4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2
Bit Delay = 1
STi[n]
Bit Delay = 1
Last Channel
Channel 0
Channel 1
Channel 2
5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3
Note: Last Channel = 31, 63, 127 and 255 for 2.048, 4.096, 8.192 and 16.384 Mbps modes respectively.
Figure 13 - Input Bit Delay Timing Diagram (ST-BUS)
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Zarlink Semiconductor Inc.
ZL50015
7.2
Data Sheet
Input Bit Sampling Point Programming
In addition to the input bit delay feature, the ZL50015 allows users to change the sampling point of the input bit by
programming STIN[n]SMP 1-0 (bits 5 - 4) in the Stream Input Control Register 0 - 15 (SICR0 - 15). For input
streams operating at any rate except 16.384 Mbps, the default sampling point is at 3/4 bit and users can change the
sampling point to 1/4, 1/2, 3/4 or 4/4 bit position. When the stream is operating at 16.384 Mbps, the default
sampling point is 1/2 bit and can be adjusted to a 4/4 bit position.
FPi
STi[n]
STIN[n]SMP1-0 = 00
(2, 4 or 8 Mbps Default)
1
2
0
1
STi[n]
STIN[n]SMP1-0 = 10
(2, 4 or 8 Mbps)
STIN[n]SMP1-0 = 00
(16 Mbps - Default)
Sampling Point = 1/4 Bit
Channel 0
0
Sampling Point = 1/2 Bit
Channel 0
0
5
6
7
Sampling Point = 4/4 Bit
Channel 0
Last Channel
2
5
6
7
Last Channel
1
5
6
7
Last Channel
STi[n]
STIN[n]SMP1-0 = 01
(2, 4 or 8 Mbps)
STi[n]
STIN[n]SMP1-0 = 11
(2, 4 or 8 Mbps)
STIN[n]SMP1-0 = 10
(16 Mbps)
Sampling Point = 3/4 Bit
Channel 0
Last Channel
1
0
7
6
Note: Last Channel = 31, 63, 127 and 255 for 2.048, 4.096, 8.192 and 16.384 Mbps mode respectively
Figure 14 - Input Bit Sampling Point Programming
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Zarlink Semiconductor Inc.
5
ZL50015
Data Sheet
The input delay is controlled by STIN[n]BD2-0 (bits 8 - 6) to control the bit shift and STIN[n]SMP1 - 0 (bits 5 - 4) to
control the sampling point in the Stream Input Control Register 0 - 15 (SICR0 - 15).
Nominal Channel n Boundary
STi[n]
0
7
6
5
Nominal Channel n+1 Boundary
4
3
2
1
000 01
000 10
000 00 (Default)
000 11
001 01
001 10
001 00
001 11
010 01
010 10
010 00
010 11
011 01
011 10
011 00
011 11
0
7
111 11
111 00
111 10
111 01
110 11
110 00
110 10
110 01
101 11
101 00
101 10
101 01
100 11
100 00
100 10
100 01
The first 3 bits represent STIN[n]BD2 - 0 for setting the bit delay
The second set of 2 bits represent STIN[n]SMP1 - 0 for setting the sampling point offset
Example: With a setting of 011 10 the offset will be 3 bits at a 1/2 sampling point
Note: Italic settings can be used in 16 Mbps mode (1/2 and 4/4 sampling point)
Figure 15 - Input Bit Delay and Factional Sampling Point
7.3
Output Advancement Programming
This feature is used to advance the output data of individual output streams with respect to the output frame
boundary. Each output stream has its own bit advancement value which can be programmed in the Stream Output
Control Register 0 - 15 (SOCR0 - 15).
By default, all output streams have zero bit advancement such that bit 7 is the first bit that appears after the output
frame boundary (assuming ST-BUS formatting). The output advancement is enabled by STO[n]AD 2 - 0 (bits 6 - 4)
of the Stream Output Control Register 0 - 15 (SOCR0 - 15) as described in Table 45 on page 83. The output bit
advancement can vary from 0 to 7 bits.
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
FPi
Last Channel
STio[n]
Bit Adv = 0
(Default)
Channel 2
Channel 1
Channel 0
4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2
Bit Advancement = 1
Last Channel
STio[n]
Bit Adv = 1
Channel 2
Channel 1
Channel 0
3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1
Note: Last Channel = 31, 63, 127 and 255 for 2.048, 4.096, 8.192 and 16.384 Mbps modes respectively.
Figure 16 - Output Bit Advancement Timing Diagram (ST-BUS)
7.4
Fractional Output Bit Advancement Programming
In addition to the output bit advancement, the device has a fractional output bit advancement feature that offers
better resolution. The fractional output bit advancement is useful in compensating for varying parasitic load on the
serial data output pins.
By default all of the streams have zero fractional bit advancement such that bit 7 is the first bit that appears after the
output frame boundary. The fractional output bit advancement is enabled by STO[n]FA 1 - 0 (bits 8 - 7) in the
Stream Output Control Register 0 - 15 (SOCR0 - 15). For all streams running at any data rate except 16.384 Mbps
the fractional bit advancement can vary from 0, 1/4, 1/2 to 3/4 bits. For streams operating at 16.384 Mbps, the
fractional bit advancement can be set to either 0 or 1/2 bit.
FPi
Last Channel
STio[n]
STo[n]FA1-0 = 00
(Default 2, 4, 8 or
16Mbps)
Channel 0
7
0
1
2
5
6
Fractional Bit Advancement = 1/4 Bit
Last Channel
STio[n]
STo[n]FA1-0 = 01
(2, 4 or 8 Mbps)
Channel 0
7
0
1
5
6
4
Fractional Bit Advancement = 1/2 Bit
STio[n]
STo[n]FA1-0 = 10
(2, 4 or 8Mbps)
STo[n]FA1-0 = 01
(16 Mbps)
Last Channel
Channel 0
7
0
1
5
6
4
Fractional Bit Advancement = 3/4 Bit
STio[n]
STo[n]FA1-0 = 11
(2, 4 or 8 Mbps)
Last Channel
1
Channel 0
0
7
6
5
4
Note: Last Channel = 31, 63, 127 and 255 for 2.048, 4.096, 8.192 and 16.384 Mbps modes respectively.
Figure 17 - Output Fractional Bit Advancement Timing Diagram (ST-BUS)
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Zarlink Semiconductor Inc.
ZL50015
7.5
Data Sheet
External High Impedance Control Advancement
The external high impedance signals can be programmed to better match the timing required by the external
buffers. By default, the output timing of the STOHZ signals follows the programmed channel delay and bit offset of
their corresponding ST-BUS/GCI-Bus output streams. In addition, for all high impedance streams operating at any
data rate except 16.384 Mbps, the user can advance the STOHZ signals a further 0, 1/4, 1/2, 3/4 or 4/4 bits by
programming STOHZ[n]A 2 - 0 (bit 11 - 9) in the Stream Output Control Register. When the stream is operating at
16.384 Mbps, the additional STOHZ advancement can be set to 0, 1/2 or 4/4 bits by programming the same
register.
FPi
HiZ
STio[n]
Last
CH0
CH1
CH2
CH3
Last-2
Last-1
Last
CH0
STOHZ Advancement (Programmable in 4 steps of 1/4 bit
for 2.048 Mbps, 4.096 Mbps and 8.192 Mbps
Programmable in 2 steps of 1/2 bit for 16.384 Mbps)
STOHZ[n]
(Default = No Advancement)
STOHZ[n]
(with Advancement)
Output Frame Boundary
Note: n = 0 to 7
Note: Last = Last Channel of 31, 63, 127 and 255 for 2.048 Mbps, 4.096 Mbps. 8.192 Mbps and 16.384 Mbps modes respectively.
Figure 18 - Channel Switching External High Impedance Control Timing
8.0
Data Delay Through the Switching Paths
The switching of information from the input serial streams to the output serial streams results in a throughput delay.
The device can be programmed to perform timeslot interchange functions with different throughput delay
capabilities on a per-channel basis. For voice applications, select variable throughput delay to ensure minimum
delay between input and output data. In wideband data applications, select constant delay to maintain the frame
integrity of the information through the switch. The delay through the device varies according to the type of
throughput delay selected by the V/C (bit 14) in the Connection Memory Low when CMM = 0.
8.1
Variable Delay Mode
Variable delay mode causes the output channel to be transmitted as soon as possible. This is a useful mode for
voice applications where the minimum throughput delay is more important than frame integrity. The delay through
the switch can vary from 7 channels to 1 frame + 7 channels. To set the device into variable delay mode, VAREN
(bit 4) in the Control Register (CR) must be set before V/C (bit 14) in the Connection Memory Low when CMM = 0.
If the VAREN bit is not set and the device is programmed for variable delay mode, the information read on the
output stream will not be valid.
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
In variable delay mode, the delay depends on the combination of the source and destination channels of the input
and output streams.
m = input channel number
n = output channel number
n-m <= 0
0 < n-m < 7
T = Delay between input and output
1 frame - (m-n)
n-m = 7
STio < STi
n-m > 7
STio >= STi
1 frame + (n-m)
n-m
Table 4 - Delay for Variable Delay Mode
For example, if Stream 4 Channel 2 is switched to Stream 5 Channel 9 with variable delay, the data will be output in
the same 125 µs frame. Contrarily, if Stream 6 Channel 1 is switched to Stream 9 Channel 3, the information will
appear in the following frame.
Frame N + 1
Frame N
STi4
CH2
L-2
L-1 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9
L-2
L-1 CH0 CH1 CH2 CH3
STio5
CH9
L-2
L-1 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9
L-2
L-1 CH0 CH1 CH2 CH3
STi6
CH1
L-2
L-1 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9
L-2
L-1 CH0 CH1 CH2 CH3
STio9
CH3
L-2
L-1 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9
L-2
L-1 CH0 CH1 CH2 CH3
L = last channel = 31, 63, 127, or 255 for 2.048 Mbps, 4.096 Mbps , 8.192 Mbps, or 16.384 Mbps respectively.
Figure 19 - Data Throughput Delay for Variable Delay
8.2
Constant Delay Mode
In this mode, frame integrity is maintained in all switching configurations. The delay though the switch is 2 frames Input Channel + Output Channel. This can result in a minimum of 1 frame + 1 channel delay if the last channel on a
stream is switched to the first channel of a stream. The maximum delay is 3 frames - 1 channel. This occurs when
the first channel of a stream is switched to the last channel of a stream. The constant delay mode is available for all
output channels.
The data throughput delay is expressed as a function of ST-BUS/GCI-Bus frames, input channel number (m) and
output channel number (n). The data throughput delay (T) is:
T = 2 frames + (n - m)
The constant delay mode is controlled by V/C (bit 14) in the Connection Memory Low when CMM = 0. When this bit
is set low, the channel is in constant delay mode. If VAREN (bit 4) in the Control Register (CR) is set (to enable
variable throughput delay on a chip-wide basis), the device can still be programmed to operate in constant delay
mode.
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
Frame N + 2
Frame N + 1
Frame N
STi
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
STio
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
STi
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
STio
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
L-2
L-1 CH0 CH1 CH2 CH3
L = last channel = 31, 63, 127, or 255 for 2.048 Mbps, 4.096 Mbps , 8.192 Mbps, or 16.384 Mbps respectively
Figure 20 - Data Throughput Delay for Constant Delay
9.0
Connection Memory Description
The connection memory consists of two blocks, Connection Memory Low (CM_L) and Connection Memory High
(CM_H). The CM_L is 16 bits wide and is used for channel switching and other special modes. The CM_H is 5 bits
wide and is used for the voice coding function. When UAEN (bit 15) of the Connection Memory Low (CM_L) is low,
µ-law/A-law conversion will be turned off and the contents of CM_H will be ignored. Each connection memory
location of the CM_L or CM_H can be read or written via the 16 bit microprocessor port within one microprocessor
access cycle. See Table 50 on page 86 for the address mapping of the connection memory. Any unused bits will be
reset to zero on the 16-bit data bus.
For the normal channel switching operation, CMM (bit 0) of the Connection Memory Low (CM_L) is programmed
low. SCA7 - 0 (bits 8 - 1) indicate the source (input) channel address and SSA4 - 0 (bits 13 - 9) indicate the source
(input) stream address. The 5-bit contents of the CM_H will be ignored during the normal channel switching mode
without the µ-law/A-law conversion when UAEN (bit 15) of the Connection Memory Low (CM_L) is set to zero. If
µ-law/A-law conversion is required, the CM_H bits must be programmed first to provide the voice/data information,
the input coding law and the output coding law before the assertion of UAEN (bit 15) in the Connection Memory
Low.
When CMM (bit 0) of the Connection Memory Low (CM_L) is programmed high, the ZL50015 will operate in one of
the special modes described in Table 52 on page 88. When the per-channel message mode is enabled, MSG7 - 0
(bit 10 - 3) in the Connection Memory Low (CM_L) will be output via the serial data stream as message output data.
When the per-channel message mode is enabled, the µ-law/A-law conversion can also be enabled as required.
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Zarlink Semiconductor Inc.
ZL50015
10.0
Data Sheet
Connection Memory Block Programming
This feature allows for fast initialization of the connection memory after power up.
10.1
Memory Block Programming Procedure
1. Set MBPE (bit 3) in the Control Register (CR) from low to high.
2. Configure BPD2 - 0 (bits 3 - 1) in the Internal Mode Selection (IMS) register to the desired values to be loaded
into CM_L.
3. Start the block programming by setting MBPS (bit 0) in the Internal Mode Selection Register (IMS) high. The values stored in BPD2 - 0 will be loaded into bits 2 - 0 of all CM_L positions. The remaining CM_L locations (bits 15
- 3) and the programmable values in the CM_H (bits 4 - 0) will be loaded with zero values.
The following tables show the resulting values that are in the CM_L and CM_H connection memory locations.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
BPD2
BPD1
BPD0
Table 5 - Connection Memory Low After Block Programming
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Table 6 - Connection Memory High After Block Programming
Note: Bits 15 to 5 are reserved in Connection Memory High and should always be 0.
It takes at least two frame periods (250 µs) to complete a block program cycle.
MBPS (bit 0) in the Control Register (CR) will automatically reset to a low position after the block programming
process has completed.
MBPE (bit 3) in the Internal Mode Selection (IMS) register must be cleared from high to low to terminate the block
programming process. This is not an automatic action taken by the device and must be performed manually.
Note: Once the block program has been initiated, it can be terminated at any time prior to completion by setting
MBPS (bit 0) in the Control Register (CR) or MBPE (bit 3) in the Internal Mode Selection (IMS) register to low. If the
MBPE bit was used to terminate the block programming, the MBPS bit will have to be set low before enabling other
device operations.
11.0
Device Operation in Master Mode and Slave Modes
This device has two main operating modes - Master mode and Slave mode. Each operating mode has different
input/output clock and frame pulse setup requirements and usage.
If the device is programmed to work in Master mode, it is expected that the input clock and frame pulse will be
supplied from the embedded DPLL, either directly using the internal loopback mode or indirectly through external
loopback path. Sources and destinations of the device’s serial input and output data, respectively, have to be
synchronized with the device’s output clock and frame pulse. In Master mode, output clocks and frame pulses are
driven by the DPLL and they are always available with any of the specified frequencies.
The device can also operate in two different Slave modes: Divided Slave mode and Multiplied Slave mode. In either
Slave modes, output clocks and frame pulses are generated based on CKi and FPi. The difference is that, in
Divided Slave mode, the output clocks and frame pulses are directly divided from CKi/FPi, while in Multiplied Slave
mode, the output clocks and frame pulses are generated from an internal high-speed clock synchronized to CKi
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
and FPi. Therefore, in Divided Slave mode, the output clock rates cannot exceed the CKi rate (the output data rates
are also limited as per Table 1, but in Multiplied Slave mode, all specified output clock rates and data rates are
available on CKo0-3 and STio0-15. The input data rate cannot exceed the CKi rate in either Slave modes, because
input data are always sampled directly by CKi.
By default, CKo4, CKo5 and FPo5 are not available in Slave mode, as the embedded DPLL is disabled. However,
the DPLL can be activated even in Slave mode by programming the SLV DPLLEN bit in the Control Register. When
the DPLL is enabled in Slave mode, CKo4, CKo5 and FPo5 are generated from the DPLL synchronized to one of
the REF0-3 inputs, while the other clocks, frame pulses, and input/output data are synchronized to CKi/FPi. It
basically creates two separate timing domains - one for the DPLL, and one for data switch logic. The two can be
totally asynchronous to each other. In this case the DPLL will be fully functional, including its capability of reference
monitoring.
Note that an external oscillator is required whenever the DPLL is used.
Table 7, “ZL50015 Operating Modes” on page 37 summarizes the different modes of operation available within the
ZL50015. Each Major mode has various associated Minor modes that are determined by setting the relevant Input
Control pins and Control Register bits (Table 17, “Control Register (CR) Bits” on page 53) indicated in the table.
Device
Input Pins
Operating Mode
Major
Master
Minor
CKi
CR Register
Control
Signal
OSC_EN MODE_4M
[1:0]
1
00
OSCi
Divided
Slave
4M
1
0
8/16 M
Multiplied
Slave
4M
20 MHz
SLV_DPLLEN
CKi_LP
00
X
0
1
11
11
X
8/16 M
4M
01
1
X0
0
11
1
X1
0
X
CKo4-5 CKo0-3 CKo4-5
Freerun, Holdover
or REF0-3
CKi
Yes
Yes
Clock Source
STi
STo
CKi*
Cko2
(DPLL)
Cko2
REF0-3
Yes
X
No
CKi
4M
CKo0-3
(CKi)
8/16 M
20 MHz
00
0
1
CKo0-3
Data Pins
Enabled
8/16 M
00
8/16 M
4M
11
00
Reference Lock
OPM
[1:0]
X
8/16 M
4M
CKi
20 MHz 4/8/16 M
Loopback
Output Clock Pins
Bits
11
00
4M
CKi MULT REF0-3
Yes
8/16 M
X
4M
X
CKo0-3
(CKi MULT)
No
8/16 M
Legend:
X - Don’t care or not applicable.
Reference Lock - Refers to what signal the output pins are locked to:
REF0-3 = Normal Mode
Cki = Bypass. Cki is passed directly through to CKo0-3.
Cki MULT = Cki is passed through clock multiplier to CKo0-3.
* CKi must be phase aligned (edge synchronous) to CKo0-3.
Clock Source - Refers to which clock samples STi and which clock outputs STo; STi applies when STi or STio is input; STo applies when STio is output.
Table 7 - ZL50015 Operating Modes
11.1
Master Mode Operation
When the device is in Master mode, the DPLL is phase-locked to the one of four DPLL reference signals, REF0 to
REF3, which are sourced by an external 8 kHz, 1.544 MHz, 2.048 MHz, 4.096 MHz, 8.192 MHz, 16.384 MHz or
19.44 MHz signal. The on-chip DPLL also offers reference switching and monitoring, jitter attenuation, freerun and
holdover functions. In this mode, STio0 - 15 are driven by a clock generated by the DPLL, which also provides all
the output clocks (CKo0 - 5) and frame pulses (FPo0 - 3 and FPo_OFF0 - 2). One of the output clocks and frame
pulses should be looped back to CKi/FPi as reference for the input data, either by internal loopback (by setting the
CKi_LP bit high in the Control Register) or through some external loopback paths. If external loopback is used, it is
recommended that CKo2 (16.384MHz) and FPo2 (61ns pulse) are used so that all input data rates are available.
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Zarlink Semiconductor Inc.
ZL50015
11.2
Data Sheet
Divided Slave Mode Operation
When the device is in Divided Slave mode, STio0 - 15 are driven by CKi. In this mode, the output streams and
clocks have the same jitter characteristics as the input clock (CKi), but the input and output data rates cannot
exceed the limit defined by CKi (as per Table 1). For example, if CKi is 4.096 MHz, the input and output data rate
cannot be higher than 2.048 Mbps, and the generated output clock rates cannot exceed 4.096 MHz. If the DPLL is
not enabled, an external oscillator is optional in Divided Slave mode.
11.3
Multiplied Slave Mode Operation
When the device is in Multiplied Slave mode, device hardware is used to multiply CKi internally. STio0 - 15 are
driven by this internally generated clock. In this mode, the output clocks and data can run at any of the specified
rates, but they may have different jitter characteristics from the input clock (CKi). The input data rates are still
limited by the CKi rate (as per Table 1), as input data are always sampled directly by CKi. If the DPLL is not
enabled, an external oscillator is not required in Multiplied Slave mode.
12.0
Overall Operation of the DPLL
The DPLL accepts four input references and delivers six output clocks and five output frame pulses. The DPLL
meets or exceeds all of the requirements of the Telcordia GR-1244-CORE standard for a Stratum 4E compliant
PLL. This includes the freerun, reference switching and monitoring, jitter/wander attenuation and holdover
functions. The intrinsic output jitter of the DPLL does not exceed 1.0 ns (except for the 1.544 MHz output).
The DPLL is able to lock to an input reference presented on the REF0 - 3 inputs. It is possible to force the DPLL
module to lock to a selected reference, to prefer one reference, to enter holdover mode or to freerun.
12.1
DPLL Timing Modes
There are four functional modes for the DPLL: normal, holdover, automatic and freerun modes. In addition to these
four functional modes, the DPLL can also be programmed to internal reset mode.
12.1.1
Normal Mode
In normal mode, the DPLL generates clocks and frame pulses that are phase locked to the active input reference.
Jitter on the input clock is attenuated by the DPLL.
12.1.2
Holdover Mode
In holdover mode, the DPLL no longer synchronizes the output clock to any input reference. It maintains the
frequency that it was at prior to entering holdover mode. The holdover mode typically happens when the input clock
becomes unreliable or is lost altogether. It takes some time for the system to realize that the input clock is
unreliable. Meanwhile, the DPLL tracks an unreliable clock. Therefore the DPLL could hold to an invalid frequency
when it enters holdover mode. In order to prevent this situation, the DPLL stores the current frequency at regular
intervals in holdover memory so that it can restore the frequency of the input clock just after the input clock became
unreliable.
12.1.3
Automatic Mode
In this mode, the state machine controls the DPLL based on the settings in the registers and the quality of the
reference input clocks. The DPLL is internally either in normal or in holdover mode. In the following two sections,
the reference selection and state machine operation in automatic mode will be explained in more details.
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Zarlink Semiconductor Inc.
ZL50015
12.1.3.1
Data Sheet
Automatic Reference Switching Without Preferences
When the DPLL is programmed to operate in Automatic mode without Preference (RCCR Register, PMS2-0 bits =
000), all references, REF0-3, will have equal importance. A circulating Round Robin selection sequence
determines the reference to be used as shown in Figure 21. The state machine basically searches for valid
reference in a circular order of REF0 -> REF1 -> REF2 -> REF3 -> REF0, etc.
Free run
d
ile
fa
Ref 3 valid
Ref 3 failed
Ref 2 and 3 failed
and (Ref 0 or Ref 1 valid)
f
Re
2
ef
R
nd
da
i
l
a
3v
led
fai
Ref 1 failed
valid)
All Ref failed
Ref 2 valid
Holdover 2
Ref 2
Ref 2 failed
Figure 21 - No Preferred Reference (Round Robin) with Ref 0-3 available
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Zarlink Semiconductor Inc.
d
ile
fa
All Ref failed
1
ef
R
f3
Re
All Ref failed
d
an
d
an
Ref 3
All Ref failed
Holdover 1
lid
va
lid
va
Holdover 3
Ref 0 and 1 failed
and (Ref 2 or Ref 3 valid)
2
ef
R
0
ef
R
Ref 0 valid
Ref 3 and 0 failed
and (Ref 1 or Ref 1
valid)
Holdover 0
Ref 0
Ref 1 and 2 failed
and (Ref 3 or Ref 0
f
Re
Ref 0 failed
f0
Re
d
an
lid
a
1v
Ref 1
Ref 1 valid
Start
led
fai
ZL50015
12.1.3.2
Data Sheet
Automatic Reference Switching With Preferences
If a particular reference needs to have higher priority than the others, the device can be programmed in Automatic
mode with a preferred reference (RCCR Register, PMS2-0 bits = 001). When a preferred reference is selected, the
device can only switch automatically between two references, as shown in Table 8. The preferred reference will be
used as the primary reference and, by default, only its next consecutive reference will be used as the secondary
reference. No more than two references can be used in Automatic mode when a preferred reference is selected.
Primary Reference (Preferred)
Secondary Reference
Option 1
Ref 0
Ref 1
Option 2
Ref 1
Ref 2
Option 3
Ref 2
Ref 3
Option 4
Ref 3
Ref 0
Table 8 - Preferred Reference Selection Options
Figure 22 shows the state diagram for the four valid options of automatic reference switching with a preferred
reference.
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Zarlink Semiconductor Inc.
ZL50015
Option 1
Ref 0 and 1 failed
Start
Free run
Holdover 0
DPLL will switch between
Ref 0 and Ref 1
Option 2
Holdover 1
Ref 1 failed or Ref 0 valid
DPLL will switch between
Ref 1 and Ref 2
Option 3
Ref 0 valid
Holdover 1
R ef 2
valid
a
Holdover 2
Ref 1 valid
Ref 1 failed
nd R
ef 1 f
Preferred
Ref 1
ailed
Ref 2 failed or Ref 1 valid
Ref 2
Ref 2 valid and Ref 1 failed
Ref 1 valid
Ref 2 and 3 failed
Start
Ref 1
Ref 1 valid and Ref 0 failed
Ref 1 and 2 failed
Start
Preferred References :
Ref 1
Holdover 2
Ref 2 valid
Re f 3
Preferred
Ref 2
Ref 2 failed
v a lid
and
Re f 2
failed
Ref 2 and 3 failed
Preferred References :
Ref 2
DPLL will switch between
Ref 2 and Ref 3
Option 4
Holdover 3
Ref 3 failed or Ref 2 valid
Start
Preferred References :
Ref 3
DPLL will switch between
Ref 3 and Ref 0
Ref 3
Ref 3 valid and Ref 2 failed
Ref 2 valid
Ref 0 and 3 failed
Free run
Preferred
Ref 0
Ref 1
v
Ref 1 and 2 failed
Free run
Ref 0 valid
Ref 0 failed
alid a
nd Re
f 0 fa
Ref 0 and 1 failed
iled
Preferred References :
Ref 0
Free run
Data Sheet
Ref 3 valid
Holdover 3
Ref
Ref 3 failed
0 va
lid a
n
d Re
Ref 0 and 3 failed
f 3 fa
iled
Holdover 0
Ref 0 failed or Ref 3 valid
Preferred
Ref 3
Ref 0
Ref 0 valid and Ref 3 failed
Ref 3 valid
Note : other combinations not shown here are invalid settings and should not be used
Figure 22 - Automatic Reference Switching State Diagrams with Preferred Reference
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
With a preferred reference, if more than two references are required, or the two references are not in consecutive
order, or the roles of the two references need to be interchanged, then external software is required to manually
control the reference switching of the DPLL (by monitoring the reference failure status and reprogramming the
device accordingly).
12.1.4
Freerun Mode
In freerun mode, the DPLL generates a fixed output frequency based on the crystal oscillator frequency. To meet
Stratum 4E, the accuracy of the circuitry for the freerunning output clock must be 32 ppm or better.
12.1.5
DPLL Internal Reset Mode
DPLL_IRM (bit 0) in the DPLL Control Register (DPLLCR) enables the internal reset mode. In the internal reset
mode, the DPLL module is disabled to save power. The circuit will be reset continuously and no output clocks will
be generated. When the internal DPLL module is in the internal reset mode, all registers remain accessible. Note
that applying the DPLL reset does not reset the DPLL registers: they preserve the values that they had prior to
entering reset.
13.0
DPLL Frequency Behaviour
13.1
Input Frequencies
The DPLL is capable of synchronizing to one of the following input frequencies:
8 kHz
1.544 MHz (DS1)
2.048 MHz (E1)
4.096 MHz
8.192 MHz
16.384 MHz
19.44 MHz
Table 9 - DPLL Input Reference Frequencies
13.2
Input Frequencies Selection
The input frequencies of REF 0 - 3 can be automatically detected or programmed independently by the Reference
Frequency Register (RFR) if RFRE (bit 1) in the DPLL Control Register (DPLLCR) is set. The detected frequency of
the selected reference is indicated in the Reference Change Status Register (RCSR). In addition, the detected
frequencies of all four references are indicated in the Reference Frequency Status Register (RFSR). See Table 26
on page 63, Table 27 on page 64, Table 35 on page 71 and Table 41 on page 77 for the detailed bit description of
the DPLL Control Register (DPLLCR), Reference Frequency Register (RFR), Reference Change Status Register
(RCSR) and Reference Frequency Status Register (RFSR), respectively.
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Zarlink Semiconductor Inc.
ZL50015
13.3
Data Sheet
Output Frequencies
The DPLL generates a limited number of output signals. All signals are synchronous to each other and in the
normal operating mode, are locked to the selected input reference. The DPLL provides outputs with the following
frequencies:
CKo0
4.096 MHz
CKo1
8.192 MHz
CKo2
16.384 MHz
CKo3
4.096 MHz, 8.192 MHz, 16.384 MHz or 32.768 MHz
CKo4
1.544 MHz or 2.048 MHz
CKo5
19.44 MHz
FPo0
8 kHz (244 ns wide pulse)
FPo1
8 kHz (122 ns wide pulse)
FPo2
8 kHz (61 ns wide pulse)
FPo3
8 kHz (244 ns, 122 ns, 61 ns or 30 ns wide pulse)
FPo5
8 kHz (51 ns wide pulse)
Table 10 - Generated Output Frequencies
13.4
Pull-In/Hold-In Range (also called Locking Range)
The widest tolerance required for any of the given input clock frequencies is ±130 ppm for the T1 clock
(1.544 MHz). If the system clock (crystal/oscillator) accuracy is ±30 ppm, it requires a minimum pull-in range of
±160 ppm. Users who do not require the ±30 ppm freerun accuracy of the DPLL can use a ±100 ppm system clock.
Therefore the pull-in range is a minimal ±230 ppm. The pull-in range of this device is ±260 ppm.
14.0
Jitter Performance
14.1
Input Clock Cycle to Cycle Timing Variation Tolerance
The ZL50015 has an exceptional cycle to cycle timing variation tolerance of 20 ns. This allows the ZL50015
to synchronize off a low cost DPLL when it is in either Divided Slave mode or Multiplied Slave mode.
14.2
Input Jitter Acceptance
The input jitter acceptance is specified in standards as the minimum amount of jitter of a certain frequency on the
input clock that the DPLL must accept without making cycle slips or losing lock. The lower the jitter frequency, the
larger the jitter acceptance. For jitter frequencies below a tenth of the cut-off frequency of the DPLL's jitter transfer
function, any input jitter will be followed by the DPLL. The maximum value of jitter tolerance for the DPLL is
±1023UIp-p.
14.3
Jitter Transfer Function
The corner frequency (-3 dB) of the Stratum 4E DPLL is 15.2 Hz.
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Zarlink Semiconductor Inc.
ZL50015
15.0
DPLL Specific Functions and Requirements
15.1
Lock Detector
Data Sheet
To determine if the DPLL is locked to the input clock, a lock detector monitors the phase value output of the phase
detector, which represents the difference between input reference and output feedback clock. If the phase value is
below a certain threshold for a certain interval, the DPLL is pronounced locked to the input clock. The monitoring is
done in intervals of 4 ms. The lock detector threshold and the interval are programmable by the user through the
Lock Detector Threshold Register (LDTR) and the Lock Detector Interval Register (LDIR) respectively. See
Table 31 on page 68 and Table 32 on page 68 for the bit descriptions of the Lock Detector Threshold Register
(LDTR) and Lock Detector Interval Register (LDIR) respectively. The value of the Lock Detector Threshold Register
(LDTR) should be programmed with respect to the maximum expected jitter frequency and amplitude on the
selected input references.
The lock status can be monitored through the Reference Change Status Register (RCSR). See Table 35 on
page 71 for the bit description of the Reference Change Status Register (RCSR).
15.2
Maximum Time Interval Error (MTIE)
Several standards require that the output clock of the DPLL may not move in phase more than a certain amount. In
order to meet those standards, a special circuit maintains the phase of the DPLL output clock during reference and
mode rearrangements. The total output phase change or Maximum Timing Interval Error (MTIE) during
rearrangements is less than 31 ns per rearrangement, exceeding Stratum 4E requirements. After a large number of
reference switches, the accumulated phase error can become significant, so it is recommended to use MTIE reset
in such situations, to realign outputs to the nearest edge of the selected reference. The MTIE reset can be
programmed by setting MTR (bit 7) in the Reference Change Control Register (RCCR), as described in Table 34 on
page 69.
15.3
Phase Alignment Speed (Phase Slope)
Besides total phase change, standards also require a certain rate of the phase change of the output clock. The
phase alignment speed is programmable by the user through a value in the Slew Rate Limit Register (SRLR) as
described in Table 33 on page 69. Stratum 4E requires that the phase alignment speed not exceed 81 ns per
1.326 ms (61ppm). The width of the register and the limiter circuitry provide a maximum phase change alignment
speed of 186 ppm. The phase alignment speed default value is 56 ppm.
15.4
Reference Monitoring
The quality of the four input reference clocks is continuously monitored by the reference monitors. There are
separate reference monitor circuits for the four DPLL references. References are checked for short phase (single
period) deviations as well as for frequency (multi-period) deviations with hysteresis.
The Reference Status Register (RSR) reports the status of the reference monitors. The register bits are described
in Table 39 on page 74. The Reference Mask Register (RMR) allows users to ignore the monitoring features of the
reference monitors. See Table 40 on page 75 for details.
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Zarlink Semiconductor Inc.
ZL50015
15.5
Data Sheet
Single Period Reference Monitoring
Values for short phase deviations (upper and lower limit) are programmable through registers. The unit of the binary
values of these numbers is 100 MHz clock period (10 ns). Single period deviation limits are more relaxed than multi
period limits, and are used for early detection of the reference loss, or huge phase jumps.
The values for the upper and lower limits are shown in the following table:
Reference
Frequency
Comment
8 kHz
10 UIp-p
1.544 MHz
0.3 UIp-p
2.048 MHz
0.2 UIp-p
4.096 MHz
0.2 UIp-p
8.192 MHz
0.2 UIp-p
16.384 MHz
0.2 UIp-p
19.44 MHz
0.2 UIp-p
Table 11 - Values for Single Period Limits
15.6
Multiple Period Reference Monitoring
To monitor reference failure based on frequency offset, multi period checking is performed. Reference validation
time is prescribed by Telcordia GR-1244-CORE and is between 10 and 30 seconds. To meet the criteria for
reference validation time, the time base for multi period monitoring has to be big enough. To implement hysteresis,
the upper limits are split into near upper and far upper limits and the lower limits are split into near lower and far
lower limits. The reference failure is detectable only when the reference passes far limits, but passing is not
detected until the reference is within near limits. The zone between near and far limits, called the “grey zone”, is
required by standards and prevents unnecessary reference switching when the selected reference is close to the
boundary of failure.
The monitor makes a decision about reference validity after two consecutive measurements with respect to its time
base. The time base for multi-period monitoring is 10 seconds. The time base is defined in the number of reference
clock cycles.
The device has two sets of limits the Stratum 4E default limits and the Relaxed Stratum 4E limits (see Table 12 on
page 45). The ST4_LIM bit in Table 26, DPLL Control Register (DPLLCR) Bits is used to select between the two
sets of limits.
Stratum 4E Default Limits
(in 10 ns units)
Relaxed Stratum 4E Limits
(in 10 ns units)
Far Upper Limit
-82.487 ppm
-250 ppm
Near Upper Limit
-64.713 ppm
-240 ppm
Nominal Value
0 ppm
Near Lower Limit
64.713 ppm
240 ppm
Far Lower Limit
82.487 ppm
250 ppm
Table 12 - Multi-Period Hysteresis Limits
45
Zarlink Semiconductor Inc.
ZL50015
16.0
Data Sheet
Microprocessor Port
The device provides access to the internal registers, connection memories and data memories via the
microprocessor port. The microprocessor port is capable of supporting both Motorola and Intel non-multiplexed
microprocessors. The microprocessor port consists of a 16-bit parallel data bus (D15 - 0), 14 bit address bus (A13 0) and six control signals (MOT_INTEL, CS, DS_RD, R/W_WR, IRQ and DTA_RDY).
The data memory can only be read from the microprocessor port. For a data memory read operation, D7 - 0 will be
used and D15 - 8 will output zeros.
For a CM_L read or write operation, all bits (D15 - 0) of the data bus will be used. For a CM_H write operation, D4 0 of the data bus must be configured and D15 - 5 are ignored. D15 - 5 must be driven either high or low. For a
CM_H read operation, D4 - 0 will be used and D15 - 5 will output zeros.
Refer to Figure 26 on page 94, Figure 27 on page 95, Figure 28 on page 96 and Figure 29 on page 97 for the
microprocessor timing.
17.0
Device Reset and Initialization
The RESET pin is used to reset the ZL50015. When this pin is low, the following functions are performed:
•
synchronously puts the microprocessor port in a reset state
•
tristates the STio0 - 15 outputs
•
drives the STOHZ0 - 7 outputs to high
•
preloads all internal registers with their default values (refer to the individual registers for default values)
•
clears all internal counters
17.1
Power-up Sequence
The recommended power-up sequence is for the VDD_IO supply (normally +3.3 V) to be established before the
power-up of the VDD_CORE supply (normally +1.8 V). The VDD_CORE supply may be powered up at the same time
as VDD_IO, but should not “lead” the VDD_IO supply by more than 0.3 V.
17.2
Device Initialization on Reset
Upon power up, the ZL50015 should be initialized as follows:
•
Set the ODE pin to low to disable the STio0 - 15 outputs and to drive STOHZ0 - 7 to high
•
Set the TRST pin to low to disable the JTAG TAP controller
•
Reset the device by pulsing the RESET pin to zero for longer than 1 µs
•
After releasing the RESET pin from low to high, wait for a certain period of time (see Note below) for the
device to stabilize from the power down state before the first microprocessor port access can occur
•
Program CKIN1 - 0 (bit 6 -5) in the Control Register (CR) to define the frequency of the CKi and FPi inputs
•
Wait at least 500 µs prior to the next microport access (see Note below)
•
Use the block programming mode to initialize the connection memory
•
Release the ODE pin from low to high after the connection memory is programmed
Note: If an external oscillator is used, the waiting time is 500 µs. Without the external oscillator, if CKi is
16.384 MHz, the waiting time is 500 µs; if CKi is 8.192 MHz, the waiting time is 1 ms; if CKi is 4.096 MHz, the
waiting time is 2 ms.
46
Zarlink Semiconductor Inc.
ZL50015
17.3
Data Sheet
Software Reset
In addition to the hardware reset from the RESET pin, the device can also be reset by using software reset. There
are two software reset bits in the Software Reset Register (SRR): SRSTDPLL (bit 0) is used to reset the DPLL while
SRSTSW (bit 1) resets the rest of the switch.
18.0
Pseudo random Bit Generation and Error Detection
The ZL50015 has one Bit Error Rate (BER) transmitter and one BER receiver for each pair of input and output
streams, resulting in 16 transmitters connected to the output streams and 16 receivers associated with the input
streams. Each transmitter can generate a BER sequence with a pattern of 215-1 pseudorandom code (ITU O.151).
Each transmitter can start at any location on the stream and will last for a minimum of 1 channel to a maximum of 1
frame time (125 µs). The BER receivers and transmitters are enabled by programming the RBEREN (bit 5) and
TBEREN (bit 4) in the IMS register. In order to save power, the 16 transmitters and/or receivers can be disabled.
(This is the default state.)
Multiple connection memory locations can be programmed for BER tests such that the BER patterns can be
transmitted for multiple consecutive output channels. If consecutive input channels are not selected, the BER
receiver will not compare the bit patterns correctly. The number of output channels which the BER pattern occupies
has to be the same as the number of channels defined in the BER Length Register (BRLR) which defines how
many BER channels are to be monitored by the BER receiver.
For each input stream, there is a set of registers for the BER test. The registers are as follows:
•
BER Receiver Control Register (BRCR) - ST[n]CBER (bit 1) is used to clear the Bit Receiver Error Register
(BRER). ST[n]SBER (bit 0) is used to enable the per-stream BER receiver.
•
BER Receiver Start Register (BRSR) - ST[n]BRS7 - 0 (bit 7 - 0) defines the input channel from which the
BER sequence will start to be compared.
•
BER Receiver Length Register (BRLR) - ST[n]BL8 - 0 (bit 8 - 0) define how many channels the sequence
will last. Depending on the data rate being used, the BER test can last for a maximum of 32, 64, 128 or 256
channels at the data rates of 2.048, 4.096, 8.192 or 16.384 Mbps, respectively. The minimum length of the
BER test is a single channel. The user must take care to program the correct channel length for the BER test
so that the channel length does not exceed the total number of channels available in the stream.
•
BER Receiver Error Register (BRER) - This read-only register contains the number of counted errors. When
the error count reaches 0xFFFF, the BER counter will stop updating so that it will not overflow. ST[n]CBER
(bit 1) in the BER Receiver Control Register is used to reset the BRER register.
For normal BER operation, CMM (bit 0) must be 1 in the Connection Memory Low (CM_L). PCC1 - 0 (bits 2 - 1) in
the Connection Memory Low must be programmed to “10” to enable the per-stream based BER transmitters. For
each stream, the length (or total number of channels) of BER testing can be as long as one whole frame, but the
channels MUST be consecutive. Upon completion of programming the connection memory, the corresponding BER
receiver can be started by setting ST[n]SBER (bit 0) in the BRCR to high. There must be at least 2 frames (250 µs)
between completion of connection memory programming and starting the BER receiver before the BER receiver
can correctly identify BER errors. A 16 bit BER counter is used to count the number of bit errors.
47
Zarlink Semiconductor Inc.
ZL50015
19.0
Data Sheet
PCM A-law/µ-law Translation
The ZL50015 provides per-channel code translation to be used to adapt pulse code modulation (PCM) voice or
data traffic between networks which use different encoding laws. Code translation is valid in both Connection Mode
and Message Mode.
In order to use this feature the Connection Memory High (CM_H) entry for the output channel must be
programmed. V/D (bit 4) defines if the traffic in the channel is voice or data. Setting ICL1 - 0 (bits 3 - 2) programs the
input coding law and OCL1 - 0 (bits 1- 0) programs the output coding law as shown in Table 13.
The different code options are:
Input Coding
(ICL1- 0)
Output Coding
(OCL1 - 0)
Voice Coding
(V/D bit = 0)
00
00
ITU-T G.711 A-law
No code
01
01
ITU-T G.711 µ-law
Alternate Bit Inversion (ABI)
10
10
A-law without Alternate Bit
Inversion (ABI)
Inverted Alternate Bit
Inversion (ABI)
11
11
µ-law without Magnitude
Inversion (MI)
All bits inverted
Data Coding
(V/D bit = 1)
Table 13 - Input and Output Voice and Data Coding
For voice coding options, the ITU-T G.711 A-law and ITU-T G.711 µ-law are the standard rules for encoding. A-law
without Alternate Bit Inversion (ABI) is an alternative code that does not invert the even bits (6, 4, 2, 0). µ-law
without Magnitude Inversion (MI) is an alternative code that does not perform inversion of magnitude bits (6, 5, 4, 3,
2, 1, 0).
When transferring data code, the option “no code” does not invert the bits. The Alternate Bit Inversion (ABI) option
inverts the even bits (6, 4, 2, 0) while the Inverted Alternate Bit Inversion (ABI) inverts the odd bits (7, 5, 3, 1). When
the “All bits inverted” option is selected, all of the bits (7, 6, 5, 4, 3, 2, 1, 0) are inverted.
The input channel and output channel encoding law are configured independently. If the output channel coding is
set to be different from the input channel, the ZL50015 performs translation between the two standards. If the input
and output encoding laws are set to the same standard, no translation occurs. As the V/D (bit 4) of the Connection
Memory High (CM_H) must be set on a per-channel basis, it is not possible to translate between voice and data
encoding laws.
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Zarlink Semiconductor Inc.
ZL50015
20.0
Data Sheet
Quadrant Frame Programming
By programming the Stream Input Quadrant Frame Registers (SIQFR0 - 15), users can divide one frame of input
data into four quadrant frames and can force the LSB or MSB of every input channel in these quadrants to one or
zero for robbed-bit signaling. The four quadrant frames are defined as follows:
Data Rate
Quadrant 0
Quadrant 1
Quadrant 2
Quadrant 3
2.048 Mbps
Channel 0 - 7
Channel 8 - 15
Channel 16 - 23
Channel 24 - 31
4.096 Mbps
Channel 0 - 15
Channel 16 - 31
Channel 32 - 47
Channel 48 - 63
8.192 Mbps
Channel 0 - 31
Channel 32 - 63
Channel 64 - 95
Channel 96 - 127
16.384 Mbps
Channel 0 - 63
Channel 64 - 127
Channel 128 - 191
Channel 192 - 255
Table 14 - Definition of the Four Quadrant Frames
When the quadrant frame control bits, STIN[n]Q3C2 - 0 (bit 11 - 9), STIN[n]Q2C2 - 0 (bit 8 - 6), STIN[n]Q1C2 - 0 (bit
5 - 3) or STIN[n]Q1C2 - 0 (bit 2 - 0), are set, the LSB or MSB of every input channel in the quadrant is forced to “1”
or “0” as shown by the following table:
STIN[n]Q[y]C[2:0]
Action
0xx
Normal Operation
100
Replaces LSB of every channel in Quadrant y with ‘0’
101
Replaces LSB of every channel in Quadrant y with ‘1’
110
Replaces MSB of every channel in Quadrant y with ‘0’
111
Replaces MSB of every channel in Quadrant y with ‘1’
Note: y = 0, 1, 2, 3
Table 15 - Quadrant Frame Bit Replacement
Note that Quadrant Frame Programming and BER reception cannot be used simultaneously on the same input
stream.
21.0
JTAG Port
The JTAG test port is implemented to meet the mandatory requirements of the IEEE-1149.1 (JTAG) standard. The
operation of the boundary-scan circuitry is controlled by an external Test Access Port (TAP) Controller.
21.1
Test Access Port (TAP)
The Test Access Port (TAP) accesses the ZL50015 test functions. It consists of three input pins and one output pin
as follows:
•
Test Clock Input (TCK) - TCK provides the clock for the test logic. TCK does not interfere with any on-chip
clock and thus remains independent in the functional mode. TCK permits shifting of test data into or out of
the Boundary-Scan register cells concurrently with the operation of the device and without interfering with
the on-chip logic.
•
Test Mode Selection Inputs (TMS) - The TAP Controller uses the logic signals received at the TMS input to
control test operations. The TMS signals are sampled at the rising edge of the TCK pulse. This pin is
internally pulled to high when it is not driven from an external source.
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
•
Test Data Input (TDi) - Serial input data applied to this port is fed either into the instruction register or into a
test data register, depending on the sequence previously applied to the TMS input. The registers are
described in a subsequent section. The received input data is sampled at the rising edge of the TCK pulse.
This pin is internally pulled to high when it is not driven from an external source.
•
Test Data Output (TDo) - Depending on the sequence previously applied to the TMS input, the contents of
either the instruction register or test data register are serially shifted out towards TDo. The data from TDo is
clocked on the falling edge of the TCK pulses. When no data is shifted through the boundary scan cells, the
TDo driver is set to a high impedance state.
•
Test Reset (TRST) - Resets the JTAG scan structure. This pin is internally pulled to high when it is not
driven from an external source.
21.2
Instruction Register
The ZL50015 uses the public instructions defined in the IEEE-1149.1 standard. The JTAG interface contains a
four-bit instruction register. Instructions are serially loaded into the instruction register from the TDi when the TAP
Controller is in its shifted-OR state. These instructions are subsequently decoded to achieve two basic functions: to
select the test data register that may operate while the instruction is current and to define the serial test data
register path that is used to shift data between TDi and TDo during data register scanning.
21.3
Test Data Registers
As specified in the IEEE-1149.1 standard, the ZL50015 JTAG interface contains three test data registers:
•
The Boundary-Scan Register - The Boundary-Scan register consists of a series of boundary-scan cells
arranged to form a scan path around the boundary of the ZL50015 core logic.
•
The Bypass Register - The Bypass register is a single stage shift register that provides a one-bit path from
TDi to TDo.
•
The Device Identification Register - The JTAG device ID for the ZL50015 is 0C36F14BH
21.4
Version
<31:28>
0000
Part Number
<27:12>
1100 0011 0110 1111
Manufacturer ID
<11:1>
0001 0100 101
LSB
<0>
1
BSDL
A Boundary Scan Description Language (BSDL) file is available from Zarlink Semiconductor to aid in the use of the
IEEE-1149.1 test interface.
50
Zarlink Semiconductor Inc.
ZL50015
22.0
Data Sheet
Register Address Mapping
Address
A13 - A0
CPU
Access
Register
Name
Abbreviation
Reset By
0000H
R/W
Control Register
CR
Switch/Hardware
0001H
R/W
Internal Mode Selection Register
IMS
Switch/Hardware
0002H
R/W
Software Reset Register
SRR
Hardware Only
0003H
R/W
Output Clock and Frame Pulse Control Register
OCFCR
DPLL/Hardware
0004H
R/W
Output Clock and Frame Pulse Selection
Register
OCFSR
DPLL/Hardware
0005H
R/W
FPo_OFF0 Register
FPOFF0
DPLL/Hardware
0006H
R/W
FPo_OFF1 Register
FPOFF1
DPLL/Hardware
0007H
R/W
FPo_OFF2 Register
FPOFF2
DPLL/Hardware
0010H
R Only
Internal Flag Register
IFR
Switch/Hardware
0011H
R Only
BER Error Flag Register 0
BERFR0
Switch/Hardware
0013H
R Only
BER Receiver Lock Register 0
BERLR0
Switch/Hardware
0040H
R/W
DPLL Control Register
DPLLCR
DPLL/Hardware
0041H
R/W
Reference Frequency Register
RFR
DPLL/Hardware
0042H
R/W
Centre Frequency Register - Lower 16 Bits
CFRL
DPLL/Hardware
0043H
R/W
Centre Frequency Register - Upper 10 Bits
CFRU
DPLL/Hardware
0045H
R Only
Frequency Offset Register
FOR
DPLL/Hardware
0047H
R/W
Lock Detector Threshold Register
LDTR
DPLL/Hardware
0048H
R/W
Lock Detector Interval Register
LDIR
DPLL/Hardware
0049H
R/W
Slew Rate Limit Register
SRLR
DPLL/Hardware
004BH
R/W
Reference Change Control Register
RCCR
DPLL/Hardware
004CH
R Only
Reference Change Status Register
RCSR
DPLL/Hardware
0066H
R Only
Interrupt Register
IR
DPLL/Hardware
0067H
R/W
Interrupt Mask Register
IMR
DPLL/Hardware
0068H
R/W
Interrupt Clear Register
ICR
DPLL/Hardware
0069H
R Only
Reference Failure Status Register
RSR
DPLL/Hardware
006AH
R/W
Reference Mask Register
RMR
DPLL/Hardware
006BH
R Only
Reference Frequency Status Register
RFSR
DPLL/Hardware
006CH
R/W
Output Jitter Control Register
OJCR
DPLL/Hardware
0100H 010FH
R/W
Stream Input Control Registers 0 - 15
SICR0 - 15
Switch/Hardware
Table 16 - Address Map for Registers (A13 = 0)
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Zarlink Semiconductor Inc.
ZL50015
Address
A13 - A0
CPU
Access
Data Sheet
Register
Name
Abbreviation
Reset By
0120H 012FH
R/W
Stream Input Quadrant Frame Registers 0 - 15
SIQFR0 - 15
Switch/Hardware
0200H 020FH
R/W
Stream Output Control Registers 0 - 15
SOCR0 - 15
Switch/Hardware
0300H 030FH
R/W
BER Receiver Start Registers 0 - 15
BRSR0 - 15
Switch/Hardware
0320H 032FH
R/W
BER Receiver Length Registers 0 - 15
BRLR0 - 15
Switch/Hardware
0340H 034FH
R/W
BER Receiver Control Registers 0 - 15
BRCR0 - 15
Switch/Hardware
0360H 036FH
R Only
BER Receiver Error Registers 0 - 15
BRER0 - 15
Switch/Hardware
Table 16 - Address Map for Registers (A13 = 0) (continued)
52
Zarlink Semiconductor Inc.
ZL50015
23.0
Data Sheet
Detailed Register Description
External Read/Write Address: 0000H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
SLV_
DPLLEN
OPM
1
OPM
0
CKi_
LP
FPIN
POS
CKINP
FPINP
CKIN
1
CKIN
0
VAR
EN
MBPE
OSB
MS1
MS0
Bit
Name
Description
15 - 14
Unused
Reserved. In normal functional mode, these bits MUST be set to zero.
13
SLV_
DPLLEN
DPLL Enable in Slave Mode (ignored in Master Mode)
When this bit is low, DPLL is disabled in Slave mode.
When this bit is high and OSC_EN = 1, the DPLL is enabled in Slave mode.
When SLV_DPLLEN is set in Slave mode, CKo[3:0] and FPo[3:0] are generated from
CKi and FPi. CKo[5:4] and FPo[5] are locked to the selected input reference (one of
REF[3:0]). In this mode of operation, the DPLL retains its functionality, including the
generation of the REF_FAIL[3:0] output signals. See Table 7, “ZL50015 Operating
Modes” on page 37 for more details.
12 - 11
OPM1 - 0
Operation Mode.
These bits are used to set the device in Master/Slave operation. Refer to Table 7,
“ZL50015 Operating Modes” on page 37 for more details.
10
CKi_LP
CKi and FPi Loopback (Ignored in Slave mode)
When this bit is low, CKi and FPi are used as input pins.
When this bit is high, CKi and FPi are internally looped back from CKo2 (16.384 MHz)
and FPo2 respectively, and CKi pin and FPi pin should be tied low or high externally;
CKIN1 - 0 (bits 6 - 5) of this register should be programmed to be 00. See Table 7,
“ZL50015 Operating Modes” on page 37 for more details.
9
FPINPOS
8
CKINP
Clock Input (CKi) Polarity
When this bit is low, the CKi falling edge aligns with the frame boundary.
When this bit is high, the CKi rising edge aligns with the frame boundary.
7
FPINP
Frame Pulse Input (FPi) Polarity
When this bit is low, the input frame pulse FPi has the negative frame pulse format.
When this bit is high, the input frame pulse FPi has the positive frame pulse format.
Input Frame Pulse (FPi) Position
When this bit is low, FPi straddles frame boundary (as defined by ST-BUS).
When this bit is high, FPi starts from frame boundary (as defined by GCI-Bus)
Table 17 - Control Register (CR) Bits
53
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0000H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
SLV_
DPLLEN
OPM
1
OPM
0
CKi_
LP
FPIN
POS
CKINP
FPINP
CKIN
1
CKIN
0
VAR
EN
MBPE
OSB
MS1
MS0
Bit
Name
6-5
CKIN1 - 0
Description
Input Clock (CKi) and Frame Pulse (FPi) Selection
CKIN1 - 0
FPi Active Period
CKi
00
61 ns
16.384 MHz
01
122 ns
8.192 MHz
10
244 ns
4.096 MHz
11
Reserved
The MODE_4M0 and MODE_4M1 pins, as described in “Pin Description” on page 13,
should also be set to define the input clock mode.
4
VAREN
Variable Delay Mode Enable
When this bit is low, the variable delay mode is disabled on a device-wide basis.
When this bit is high, the variable delay mode is enabled on a device-wide basis.
3
MBPE
Memory Block Programming Enable
When this bit is high, the connection memory block programming mode is enabled to
program the connection memory. When it is low, the memory block programming mode is
disabled.
2
OSB
Output Stand By Bit:
This bit enables the STio0 - 15 and the STOHZ0 -7 serial outputs. The following table
describes the HiZ control of the serial data outputs:
RESET
Pin
SRSTSW
(in SRR)
ODE
Pin
OSB
Bit
STio0 - 15
STOHZ0 - 7
0
X
X
X
HiZ
Driven High
1
1
X
X
HiZ
Driven High
1
0
0
X
HiZ
Driven High
1
0
1
0
HiZ
Driven High
1
0
1
1
Active
(Controlled by CM)
Active
(Controlled by CM)
Note: Unused output streams are tristated (STio = HiZ, STOHZ = Driven High). Refer to
SOCR0 - 15 (bit2 - 0).
Table 17 - Control Register (CR) Bits (continued)
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0000H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
SLV_
DPLLEN
OPM
1
OPM
0
CKi_
LP
FPIN
POS
CKINP
FPINP
CKIN
1
CKIN
0
VAR
EN
MBPE
OSB
MS1
MS0
Bit
Name
Description
1-0
MS1 - 0
Memory Select Bits
These two bits are used to select connection memory low, connection high or data memory for access by CPU:
MS1 - 0
Memory Selection
00
Connection Memory Low Read/Write
01
Connection Memory High Read/Write
10
Data Memory Read
11
Reserved
Table 17 - Control Register (CR) Bits (continued)
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0001H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
STIO_
PD_EN
0
BDL
RBER
EN
TBER
EN
BPD
2
BPD
1
BPD
0
MBPS
Bit
Name
15 - 9
Unused
8
STIO_PD_
EN
7
Unused
6
BDL
Description
Reserved. In normal functional mode, these bits MUST be set to zero.
STio Pull-down Enable
When this bit is low, the pull-down resistors on all STio pads will be disabled.
When this bit is high, the pull-down resistors on all STio pads will be enabled.
Reserved. In normal functional mode, these bits MUST be set to zero.
Used in this bi-directional mode.
Bi-directional Control for Streams 0-15
BDL
STio0 - 15 Operation
0
normal operation:
STi0-15 are inputs
STio0-15 are outputs
1
bi-directional operation:
STi0-15 tied low internally
STio0-15 are bi-directional
5
RBEREN
PRBS Receiver Enable
When this bit is low, all the BER receivers are disabled. To enable any BER receivers,
this bit MUST be high.
4
TBEREN
PRBS Transmitter Enable
When this bit is low, all the BER transmitters are disabled. To enable any BER
transmitters, this bit MUST be high.
3-1
BPD2 - 0
Block Programming Data
These bits refer to the value to be loaded into the connection memory, whenever the
memory block programming feature is activated. After the MBPE bit in the Control
Register is set to high and the MBPS bit in this register is set to high, the contents of
the bits BPD2 - 0 are loaded into bits 2 - 0 of the Connection Memory Low. Bits 15 - 3
of the Connection Memory Low and bits 15 - 0 of Connection Memory High are
zeroed.
Table 18 - Internal Mode Selection Register (IMS) Bits
56
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0001H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
STIO_
PD_EN
0
BDL
RBER
EN
TBER
EN
BPD
2
BPD
1
BPD
0
MBPS
Bit
Name
Description
0
MBPS
Memory Block Programming Start:
A zero to one transition of this bit starts the memory block programming function. The
MBPS and BPD2 - 0 bits in this register must be defined in the same write operation.
Once the MBPE bit in the Control Register is set to high, the device requires two
frames to complete the block programming. After the programming function has finished, the MBPS bit returns to low, indicating the operation is completed. When MBPS
is high, MBPS or MBPE can be set to low to abort the programming operation.
Whenever the microprocessor writes a one to the MBPS bit, the block programming
function is started. As long as this bit is high, the user must maintain the same logical
value to the other bits in this register to avoid any change in the device setting.
Table 18 - Internal Mode Selection Register (IMS) Bits (continued)
External Read/Write Address: 0002H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SRST
SW
SRST
DPLL
Bit
Name
Description
15 - 2
Unused
1
SRSTSW
Software Reset Bit for Switch
When this bit is low, data switching blocks are in normal operation. When this bit is
high, data switching blocks are in software reset state. Refer to Table 16, “Address
Map for Registers (A13 = 0)” on page 51 for details regarding which registers are
affected.
0
SRSTDPLL
Software Reset Bit for DPLL
When this bit is low, the DPLL block is in normal operation. When this bit is high, the
DPLL block is in software reset state. Refer to Table 16, “Address Map for Registers
(A13 = 0)” on page 51 for details regarding which registers are affected.
Reserved
In normal functional mode, these bits MUST be set to zero.
Table 19 - Software Reset Register (SRR) Bits
57
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0003H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
FPOF2
EN
FPOF1
EN
FPOF0
EN
CKO5
EN
CKO4
EN
CKO
FPO3
EN
CKO
FPO2
EN
CKO
FPO1
EN
CKO
FPO0
EN
Bit
Name
Description
15 - 9
Unused
8
FPOF2EN
FPo_OFF2/FPo5 Enable
When this bit is high, output frame pulse FPo_OFF2/FPo5 is enabled.
When this bit is low, output frame pulse FPo_OFF2/FPo5 is in high impedance state.
7
FPOF1EN
FPo_OFF1 Enable
When this bit is high, output frame pulse FPo_OFF1 is enabled.
When this bit is low, output frame pulse FPo_OFF1 is in high impedance state.
6
FPOF0EN
FPo_OFF0 Enable
When this bit is high, output frame pulse FPo_OFF0 is enabled.
When this bit is low, output frame pulse FPo_OFF0 is in high impedance state.
5
CKO5EN
CKo5 Enable
When this bit is high, output clock CKo5 is enabled.
When this bit is low, output clock CKo5 is in high impedance state.
CKo5 is available in Master mode or in Slave mode with SLV_DPLLEN set.
4
CKO4EN
CKo4 Enable
When this bit is high, output clock CKo4 is enabled.
When this bit is low, output clock CKo4 is in high impedance state.
CKo4 is available in Master mode or in Slave mode with SLV_DPLLEN set.
3
CKOFPO3
EN
CKo3 and FPo3 Enable
When this bit is high, output clock CKo3 and output frame pulse FPo3 are enabled.
When this bit is low, CKo3 and FPo3 are in high impedance state.
2
CKOFPO2
EN
CKo2 and FPo2 Enable
When this bit is high, output clock CKo2 and output frame pulse FPo2 are enabled.
When this bit is low, CKo2 and FPo2 are in high impedance state.
1
CKOFPO1
EN
CKo1 and FPo1 Enable
When this bit is high, output clock CKo1 and output frame pulse FPo1 are enabled.
When this bit is low, CKo1 and FPo1 are in high impedance state.
0
CKOFPO0
EN
CKo0 and FPo0 Enable
When this bit is high, output clock CKo0 and output frame pulse FPo0 are enabled.
When this bit is low, CKo0 and FPo0 are in high impedance state.
Reserved
In normal functional mode, these bits MUST be set to zero.
Table 20 - Output Clock and Frame Pulse Control Register (OCFCR) Bits
58
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0004H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CKO4
P
CKO4
SEL
CKO
FPO3
SEL1
CKO
FPO3
SEL0
CKO3
P
FPO3
P
FPO3
POS
CKO2
P
FPO2
P
FPO2
POS
CKO1
P
FPO1
P
FPO1
POS
CKO0
P
FPO0
P
FPO0
POS
Bit
Name
Description
15
CKO4P
Output Clock (CKo4) Polarity Selection
When this bit is low, the output clock CKo4 falling edge aligns with the frame
boundary. When this bit is high, the output clock CKo4 rising edge aligns with the
frame boundary.
CKo4 is available in Master mode or in Slave mode with SLV_DPLLEN set.
14
CKO4SEL
Output Clock (CKo4) Frequency Selection
When this bit is low, the output clock CKo4 is 2.048 MHz.
When this bit is high, the output clock CKo4 is 1.544 MHz.
CKo4 is available in Master mode or in Slave mode with SLV_DPLLEN set.
13 - 12
CKOFPO3
SEL1 - 0
Output Clock (CKo3) Frequency and Output Frame Pulse (FPo3) Pulse Cycle
Selection
CKOFPO3
SEL1 - 0
FPo3
CKo3
00
244 ns
4.096 MHz
01
122 ns
8.192 MHz
10
61 ns
16.384 MHz
11
30 ns
32.768 MHz
11
CKO3P
Output Clock (CKo3) Polarity Selection
When this bit is low, the output clock CKo3 falling edge aligns with the frame
boundary. When this bit is high, the output clock CKo3 rising edge aligns with the
frame boundary.
10
FPO3P
Output Frame Pulse (FPo3) Polarity Selection
When this bit is low, the output frame pulse FPo3 has the negative frame pulse format.
When this bit is high, the output frame pulse FPo3 has the positive frame pulse format.
9
FPO3POS
8
CKO2P
Output Frame Pulse (FPo3) Position
When this bit is low, FPo3 straddles frame boundary (as defined by ST-BUS).
When this bit is high, FPo3 starts from frame boundary (as defined by GCI-Bus).
Output Clock (CKo2) Polarity Selection
When this bit is low, the output clock CKo2 falling edge aligns with the frame
boundary. When this bit is high, the output clock CKo2 rising edge aligns with the
frame boundary.
Table 21 - Output Clock and Frame Pulse Selection Register (OCFSR) Bits
59
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0004H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CKO4
P
CKO4
SEL
CKO
FPO3
SEL1
CKO
FPO3
SEL0
CKO3
P
FPO3
P
FPO3
POS
CKO2
P
FPO2
P
FPO2
POS
CKO1
P
FPO1
P
FPO1
POS
CKO0
P
FPO0
P
FPO0
POS
Bit
Name
Description
7
FPO2P
Output Frame Pulse (FPo2) Polarity Selection
When this bit is low, the output frame pulse FPo2 has the negative frame pulse format.
When this bit is high, the output frame pulse FPo2 has the positive frame pulse format.
6
FPO2POS
5
CKO1P
Output Clock (CKo1) Polarity Selection
When this bit is low, the output clock CKo1 falling edge aligns with the frame
boundary. When this bit is high, the output clock CKo1 rising edge aligns with the
frame boundary.
4
FPO1P
Output Frame Pulse (FPo1) Polarity Selection
When this bit is low, the output frame pulse FPo1 has the negative frame pulse format.
When this bit is high, the output frame pulse FPo1 has the positive frame pulse format.
3
FPO1POS
2
CKO0P
Output Clock (CKo0) Polarity Selection
When this bit is low, the output clock CKo0 falling edge aligns with the frame
boundary. When this bit is high, the output clock CKo0 rising edge aligns with the
frame boundary.
1
FPO0P
Output Frame Pulse (FPo0) Polarity Selection
When this bit is low, the output frame pulse FPo0 has the negative frame pulse format.
When this bit is high, the output frame pulse FPo0 has the positive frame pulse format.
0
FPO0POS
Output Frame Pulse (FPo2) Position
When this bit is low, FPo2 straddles frame boundary (as defined by ST-BUS).
When this bit is high, FPo2 starts from frame boundary (as defined by GCI-Bus).
Output Frame Pulse (FPo1) Position
When this bit is low, FPo1 straddles frame boundary (as defined by ST-BUS).
When this bit is high, FPo1 starts from frame boundary (as defined by GCI-Bus).
Output Frame Pulse (FPo0) Position
When this bit is low, FPo0 straddles frame boundary (as defined by ST-BUS).
When this bit is high, FPo0 starts from frame boundary (as defined by GCI-Bus).
Note: In Divided Slave modes, CKo3 - 1 cannot exceed frequency of CKi.
Note: CKo[5:4] are available in Master mode or in Slave mode with SLV_DPLLEN set.
Table 21 - Output Clock and Frame Pulse Selection Register (OCFSR) Bits (continued)
60
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0005H - 0007H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
FP19
EN
FOF[n]
OFF7
FOF[n]
OFF6
FOF[n]
OFF5
FOF[n]
OFF4
FOF[n]
OFF3
FOF[n]
OFF2
FOF[n]
OFF1
FOF[n]
OFF0
FOF[n]
C1
FOF[n]
C0
Bit
Name
Description
15 - 11
Unused
Reserved. In normal functional mode, these bits MUST be set to zero.
10
FP19EN
19.44 MHz Frame Pulse Output Enable. (For FPo_OFF2 only)
This bit is a reserved bit for FPo_OFF0 and FPo_OFF1, and MUST be set to
zero.
When this bit is high, FPo_OFF2 is negative frame pulse output corresponding to
19.44 MHz without channel offset.
When this bit is low, FPo_OFF2 is output frame pulse with channel offset.
9-2
FOF[n]OFF7 - 0
FPo_OFF[n] Channel Offset
The binary value of these bits refers to the channel offset from original frame boundary. Permitted channel offset values depend on bits 1-0 of this register.
1-0
FOF[n]C1 - 0
FPo_OFF[n] Control bits
FOF[n]OFF7 - 0
Permitted
Channel Offset
Polarity
Control
Position
Control
one 4.096 MHz clock
0 - 31
FPO0P
FPO0POS
4.096
one 8.192 MHz clock
0 - 63
FPO1P
FPO1POS
10
8.192
one 16.384 MHz clock
0 - 127
FPO2P
FPO2POS
11
16.384
one 16.384 MHz clock
0 - 255
FPO2P
FPO2POS
FOF[n]C
1-0
Data Rate
(Mbps)
00
2.048
01
FPo_OFF[n]
Pulse Cycle Width
Note: [n] denotes output offset frame pulse from 0 to 2.
Table 22 - FPo_OFF[n] Register (FPo_OFF[n]) Bits
61
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Address: 0010H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
OUT
ERR
IN
ERR
Bit
Name
Description
15 - 2
Unused
1
OUTERR
Output Error (Read Only)
This bit is set high when the total number of output channels is programmed to be
more than the maximum capacity of 1024, in which case the output channels beyond
the maximum capacity should be disabled.
This bit will be cleared automatically after programming is corrected.
0
INERR
Input Error (Read Only)
This bit is set high when the total number of input channels is programmed to be more
than the maximum capacity of 1024, in which case the input channels beyond the
maximum capacity should be disabled.This bit will be cleared automatically after programming is corrected.
Reserved
In normal functional mode, these bits are zero.
Table 23 - Internal Flag Register (IFR) Bits - Read Only
External Read Address: 00011H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BER
F15
BER
F14
BER
F13
BER
F12
BER
F11
BER
F10
BER
F9
BER
F8
BER
F7
BER
F6
BER
F5
BER
F4
BER
F3
BER
F2
BER
F1
BER
F0
Bit
Name
Description
15 - 0
BERF[n]
BER Error Flag[n]:
If BERF[n] is high, it indicates that BER Receiver Error Register [n] (BRER[n]) is not
zero.
If BERF[n] is low, it indicates that BER Receiver Error Register [n] (BRER[n]) is zero.
Note: [n] denotes input stream from 0 -15.
Table 24 - BER Error Flag Register 0 (BERFR0) Bits - Read Only
62
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Address: 00013H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BER
L15
BER
L14
BER
L13
BER
L12
BER
L11
BER
L10
BER
L9
BER
L8
BER
L7
BER
L6
BER
L5
BER
L4
BER
L3
BER
L2
BER
L1
BER
L0
Bit
Name
15 - 0
BERL[n]
Description
BER Receiver Lock[n]
If BERL[n] is high, it indicates that BER Receiver of STi[n] is locked.
If BERL[n] is low, it indicates that BER Receiver of STi[n] is not locked.
Note: [n] denotes input stream from 0 - 15.
Table 25 - BER Receiver Lock Register 0 (BERLR0) Bits - Read Only
External Read/Write Address: 0040H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
ST4_
LIM
0
0
0
RFRE
DPLL
_IRM
Bit
Name
Description
15-6
Unused
5
ST4_LIM
4-2
Unused
1
RFRE
Reference Frequency Register Enable
When this bit is low, the reference frequency value used in the DPLL comes from
appropriate reference frequency detector. When this bit is high, the reference frequency
value comes from Reference Frequency Register (RFR).
0
DPLL_
IRM
DPLL Internal Reset Mode
When this bit is low, the DPLL module is in the operational state. When this bit is high,
the DPLL module is in the power saving mode. Registers are not reset and are still
accessible in the power saving mode.
Reserved
In normal functional mode, these bits MUST be set to zero.
Stratum 4E Limits Select Bit
When this bit is high, the stratum 4E limits are used for reference monitoring (i.e.,
+/-64.713 ppm and +/-82.487 ppm over 10 seconds). When this bit is low, more relaxed
Relaxed Stratum 4E limits are used for reference monitoring (e.g., +/-240 ppm and
+/-250 ppm over 10 seconds). This is used in applications where a low quality clock
(+/-100 ppm) is used as a reference.
Reserved
In normal functional mode, these bits MUST be set to zero.
Table 26 - DPLL Control Register (DPLLCR) Bits
63
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0041H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
R3F2
R3F1
R3F0
R2F2
R2F1
R2F0
R1F2
R1F1
R1F0
R0F2
R0F1
R0F0
Bit
Name
15-12
Unused
Reserved
In normal functional mode, these bits MUST be set to zero.
11 - 9
R3F2 - 0
Reference 3 Frequency Bits
When the RFRE bit of the DPLLCR register is high, these bits are used to select the
REF3 input frequency. When the RFRE bit is low, these bits are ignored.
8-6
R2F2 - 0
Description
R3F2
R3F1
R3F0
REF 3 Input Frequency
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Reference 2 Frequency Bits: When the RFRE bit of the DPLLCR register is high, these
bits are used to select the REF2 input frequency. When the RFRE bit is low, these bits
are ignored.
R2F2
R2F1
R2F0
REF 2 Input Frequency
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Table 27 - Reference Frequency Register (RFR) Bits
64
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0041H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
R3F2
R3F1
R3F0
R2F2
R2F1
R2F0
R1F2
R1F1
R1F0
R0F2
R0F1
R0F0
Bit
Name
Description
5-3
R1F2 - 0
Reference 1 Frequency Bits
When the RFRE bit of the DPLLCR register is high, these bits are used to select the
REF1 input frequency. When the RFRE bit is low, these bits are ignored.
2-0
R0F2 - 0
R1F2
R1F1
R1F0
REF 1 Input Frequency
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Reference 0 Frequency Bits
When the RFRE bit of the DPLLCR register is high, these bits are used to select the
REF0 input frequency. When the RFRE bit is low, these bits are ignored.
R0F2
R0F1
R0F0
REF 0 Input Frequency
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Table 27 - Reference Frequency Register (RFR) Bits (continued)
65
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0042H
Reset Value: 16B1H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CFN
15
CFN
14
CFN
13
CFN
12
CFN
11
CFN
10
CFN
9
CFN
8
CFN
7
CFN
6
CFN
5
CFN
4
CFN
3
CFN
2
CFN
1
CFN
0
Bit
Name
Description
15 - 0
CFN15 - 0
Center Frequency Number (CFN) Lower 16 Bits: The total binary value of these bits
and the CFRU register bits defines the output center frequency number according to the
following formula:
CFNf OUT = ----------× f MCLK
26
2
where, fOUT is desired output center frequency, while fMCLK is frequency of DPLL master
clock. For given master clock frequency of 100 MHz, and desired output center frequency of 65.536 MHz, the CFN has the value of:
CFN = 2
26
26
65.536MHz
× ------------------------------- = 2 × 0.65536 = 43980465 = 29F16B1 H
100MHz
The register contents should be changed only if compensation for input oscillator (or
crystal) frequency offset is required.
e.g., if master clock frequency is off by +20 ppm (100.002 MHz -> 5 times multiplied c20i
of 20.0004 MHz), the CFN should be programmed to be:
CFN = 2
26
26
65.536MHz
× ----------------------------------- = 2 × 0.65534689 = 43979585 = 29F1341 H
100.002MHz
The default value of this register SHOULD NOT be changed in any other circumstances.
Table 28 - Centre Frequency Register - Lower 16 Bits (CFRL)
External Read/Write Address: 0043H
Reset Value: 029FH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
CFN
25
CFN
24
CFN
23
CFN
22
CFN
21
CFN
20
CFN
19
CFN
18
CFN
17
CFN
16
Bit
Name
15 - 10
Unused
9-0
CFN25 - 16
Description
Reserved. In normal functional mode, these bits MUST be set to zero.
Center Frequency Number (CFN) Upper 10 Bits: The total binary value of these bits
and the CFRL register bits represents the center frequency number (CFN) explained
under CFRL register bits explanation.
The default value of this register should be changed only if compensation for input oscillator (or crystal) frequency offset is required, and SHOULD NOT be changed in any other
circumstances.
Table 29 - Centre Frequency Register - Upper 10 Bits (CFRU)
66
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Only Address: 0045H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
FOF
14
FOF
13
FOF
12
FOF
11
FOF
10
FOF
9
FOF
8
FOF
7
FOF
6
FOF
5
FOF
4
FOF
3
FOF
2
FOF
1
FOF
0
Bit
Name
15
Unused
14 - 0
FOF14 - 0
Note 1:
Description
Reserved. In normal functional mode, this bit is zero.
Frequency Offset Bits: The binary value of these bits represents the current deviation
of the DPLL output from its center frequency. Defined in same units as CFN in the 2's
complement format.
Output frequency offset, relative to master clock, will be represented as the following:
+10 ppm: CFN x 0.00001 = 440 = 01B8H
-10 ppm: CFN x (-0.00001) = -440 = 7E48H
Table 30 - Frequency Offset Register (FOR) Bits - Read Only
67
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0047H
Reset Value: 000FH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
LDT
15
LDT
14
LDT
13
LDT
12
LDT
11
LDT
10
LDT
9
LDT
8
LDT
7
LDT
6
LDT
5
LDT
4
LDT
3
LDT
2
LDT
1
LDT
0
Bit
Name
Description
15 - 0
LDT15 - 0
Lock Detect Threshold Bits
The binary value of these bits defines the upper limit of the absolute phase from the
phase detector output for lock detection.
When the value of the absolute phase is less than or equal to LDT for duration of time
defined by the LDIR register, the DPLL locks.
When the value of the absolute phase is greater than LDT for duration of time defined by
the LDIR register divided by 256, the DPLL does not lock.
Note: LDT should be calculated as per the maximum expected amplitude of jitter on the active input reference
using the following formula:
LDT = MAX_EXP_JITTER (ns) x 2
15.2 (ns)
Example: If maximum expected jitter amplitude on 2.048 MHz reference is 10UI (i.e., 10 x 488.2 ns = 4882 ns)
(assuming the jitter frequency where DPLL attenuation is big), the LDT should be programmed to be (4882/15.2)
x 2 = 642 = 0282H
Table 31 - Lock Detector Threshold Register (LDTR) Bits
External Read/Write Address: 0048H
Reset Value: 2C00H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
LDI
15
LDI
14
LDI
13
LDI
12
LDI
11
LDI
10
LDI
9
LDI
8
LDI
7
LDI
6
LDI
5
LDI
4
LDI
3
LDI
2
LDI
1
LDI
0
Bit
Name
Description
15 - 0
LDI15 - 0
Lock Detector Interval Bits
The binary value of these bits defines the time interval that the output phase detector
must be below the lock detect threshold to declare lock. Unsigned representation of the
LDI bits is defined in 4 ms intervals.
Table 32 - Lock Detector Interval Register (LDIR) Bits
68
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0049H
Reset Value: 099FH (see Note)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
SRL
12
SRL
11
SRL
10
SRL
9
SRL
8
SRL
7
SRL
6
SRL
5
SRL
4
SRL
3
SRL
2
SRL
1
SRL
0
Bit
Name
15 - 13
Unused
12 - 0
SRL12 - 0
Description
Reserved
In normal functional mode, these bits MUST be set to zero.
Slew Rate Limit Bits
The binary value of these bits defines the maximum rate of DPLL phase change (phase
slope), where the phase represents difference between the input reference and output
feedback clock. Defined in same units as CFN (unsigned).
Note: The default value is ±56 ppm (’h099F/CFN = 56 ppm).
Table 33 - Slew Rate Limit Register (SRLR) Bits
External Read/Write Address: 004BH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
MTR
PRS
1
PRS
0
PMS
2
PMS
1
PMS
0
FDM
1
FDM
0
Bit
Name
15 - 8
Unused
7
MTR
Description
Reserved
In normal functional mode, these bits MUST be set to zero.
MTIE Reset
When this bit is low, the MTIE circuit applies a phase offset between the reference input
clock and the DPLL output clock and the phase offset value is maintained. When this bit
is high, MTIE circuit is in its reset state and the phase offset value is reset to zero,
causing alignment of the DPLL output clocks to nearest edge of the selected input
reference.
Table 34 - Reference Change Control Register (RCCR) Bits
69
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 004BH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
MTR
PRS
1
PRS
0
PMS
2
PMS
1
PMS
0
FDM
1
FDM
0
Bit
Name
Description
6-5
PRS1 - 0
Preferred Reference Selection Bits
These bits select the preferred reference from one of the input references. They are used
only if the PMS2-0 bits are set to 001. Otherwise, these bits are ignored
4-2
PMS2 - 0
PRS1
PRS0
Preferred Reference Selection
0
0
REF0
0
1
REF1
1
0
REF2
1
1
REF3
Preference Mode Selection Bits
These bits select one of the preference modes:
PMS2
PMS1
0
0
0
No Preference
0
0
1
Preference as per the setting
of the PRS1 - 0 bits
0
1
0
Force REF0
0
1
1
Force REF1
1
0
0
Force REF2
0
1
Force REF3
1
PMS0
Preference Mode
110 - 111
Reserved
If in automatic mode with a preferred reference (PMS2-0 = 001 and FDM1-0 = 00), the
automatic state machine will only switch between two references (as per Table 8). Please
see Section 12.1.3.2, “Automatic Reference Switching With Preferences“ on page 40 for
more details.
1-0
FDM1 - 0
Force DPLL Timing Mode
These bits force the DPLL into one of the valid operation modes.
FDM1
FDM0
DPLL TIMING Mode
0
0
Automatic
0
1
Normal
1
0
Holdover
1
1
Freerun
Table 34 - Reference Change Control Register (RCCR) Bits (continued)
70
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Only Address: 004CH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
SLM
LST
RFR2
RFR1
RFR0
RES1
RES0
DPM1
DPM0
Bit
Name
15 - 9
Unused
8
SLM
Slew Rate Limiter Status Bit
If the device sets this bit to high, the DPLL phase difference between the input and output
clocks is changing at the slew rate limit defined in the Slew Rate Limit Register (SRLR).
7
LST
Lock Status Bit
If the device sets this bit to high, while the LDTR and LDIR registers are programmed
properly, the DPLL output clocks are locked to the selected input reference.
If this bit is low, the DPLL output clocks are not yet locked to the selected input reference.
6-4
RFR2 - 0
Reference Frequency Indicator Bits
These bits represent the frequency of the selected reference indicated by the reference
bits (RES1 - 0) in this register.
3-2
RES1 - 0
Description
Reserved
In normal functional mode, these bits are zero.
RFR2
RFR1
RFR0
Frequency of the Selected
Reference
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Reference Select Indicator Bits: These bits indicate which one of the four reference
inputs (REF0 - 3 pins) is being selected by the device.
RES1
RES0
Input Reference in use
0
0
REF 0
0
1
REF 1
1
0
REF 2
1
1
REF 3
Table 35 - Reference Change Status Register (RCSR) Bits - Read Only
71
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Only Address: 004CH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
SLM
LST
RFR2
RFR1
RFR0
RES1
RES0
DPM1
DPM0
Bit
Name
1-0
DPM1 - 0
Description
DPLL Timing Mode Status Bits: These bits indicate the DPLL’s timing mode status.
DPM1
DPM0
DPLL Timing Mode State
0
0
MTIE
0
1
Normal
1
0
Holdover
1
1
Freerun
Table 35 - Reference Change Status Register (RCSR) Bits - Read Only (continued)
External Read Only Address: 0066H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
LCI
RCI
HOI
0
Bit
Name
Description
15 - 4
Unused
3
LCI
Lock Change Interrupt Bit
If the device sets this bit to high, the device lock status has changed.
2
RCI
Reference Change Interrupt Bit
If the device sets this bit to high, the selected reference has changed.
1
HOI
Holdover Interrupt Bit
If the device sets this bit to high, the device has entered or recovered from the
holdover/MTIE mode.
0
Unused
Reserved
In normal functional mode, these bits is zero.
Reserved
In normal functional mode, this bit is zero.
Note 1:
If any of these bits are set, the interrupt output will become active unless the Interrupt Mask Register (IMR) has a high
value for that particular bit.
Note 2:
Any of these bits can be cleared by setting the appropriate bit in the Interrupt Clear Register.
Table 36 - Interrupt Register (IR) Bits - Read Only
72
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0067H
Reset Value: 000FH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
LIM
RIM
HIM
1
Bit
Name
Description
15 - 4
Unused
3
LIM
Lock Interrupt Mask Bit
When this bit is high, it masks the lock status change interrupt.
2
RIM
Reference Change Interrupt Mask Bit
When this bit is high, it masks the reference change interrupt.
1
HIM
Holdover Interrupt Mask Bit
When this bit is high, it masks the holdover entry/exit interrupt.
0
Unused
Reserved
In normal functional mode, these bits MUST be set to zero.
Reserved
In normal functional mode, this bit MUST be set to one.
Table 37 - Interrupt Mask Register (IMR) Bits
External Read/Write Address: 0068H
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
ICB
3
ICB
2
ICB
1
1
Bit
Name
Description
15 - 4
Unused
Reserved
In normal functional mode, these bits MUST be set to zero.
3-1
ICB3 - 1
Interrupt Clear Bits
Writing a “1” to any bit in this register will clear the corresponding bit in the Interrupt
Register (IR). The Interrupt Clear Register is self-clearing, i.e. once it has completed
its action, the ICR register bit returns to 0.
0
Unused
Reserved
In normal functional mode, this bit MUST be set to one.
Table 38 - Interrupt Clear Register (ICR) Bits
73
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Only Address: 0069H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R3
FML
R3
FMU
R3
FL
R3
FU
R2
FML
R2
FMU
R2
FL
R2
FU
R1
FML
R1
FMU
R1
FL
R1
FU
R0
FML
R0
FMU
R0
FL
R0
FU
Bit
Name
Description
15
R3FML
Reference 3 Multi-period Lower Limit Fail Bit
f the device sets this bit to high, the input REF3 fails the multi-period lower limit check.
(See Table 12, “Multi-Period Hysteresis Limits” on page 45)
14
R3FMU
Reference 3 Multi-period Upper Limit Fail Bit
If the device sets this bit to high, the input REF3 fails the multi-period upper limit
check. (See Table 12, “Multi-Period Hysteresis Limits” on page 45)
13
R3FL
Reference 3 Single Period Lower Limit Fail Bit
If the device sets this bit to high, the input REF3 fails the single-period lower limit
check. (See Table 11, “Values for Single Period Limits” on page 45)
12
R3FU
Reference 3 Single Period Upper Limit Fail Bit
If the device sets this bit to high, the input REF3 fails the single-period upper limit
check. (See Table 11, “Values for Single Period Limits” on page 45)
11
R2FML
Reference 2 Multi-period Lower Limit Fail Bit
If the device sets this bit to high, the input REF2 fails the multi-period lower limit check.
(See Table 12, “Multi-Period Hysteresis Limits” on page 45)
10
R2FMU
Reference 2 Multi-period Upper Limit Fail Bit
If the device sets this bit to high, the input REF2 fails the multi-period upper limit
check. (See Table 12, “Multi-Period Hysteresis Limits” on page 45)
9
R2FL
Reference 2 Single Period Lower Limit Fail Bit
If the device sets this bit to high, the input REF2 fails the single-period lower limit
check. (See Table 11, “Values for Single Period Limits” on page 45)
8
R2FU
Reference 2 Single Period Upper Limit Fail Bit
If the device sets this bit to high, the input REF2 fails the single-period upper limit
check.(see Table 11, “Values for Single Period Limits” on page 45)
7
R1FML
Reference 1 Multi-period Lower Limit Fail Bit
If the device sets this bit to high, the input REF1 fails the multi-period lower limit check.
(See Table 12, “Multi-Period Hysteresis Limits” on page 45)
6
R1FMU
Reference 1 Multi-period Upper Limit Fail Bit
If the device sets this bit to high, the input REF1 fails the multi-period upper limit
check. (See Table 12, “Multi-Period Hysteresis Limits” on page 45)
5
R1FL
Reference 1 Single Period Lower Limit Fail Bit
If the device sets this bit to high, the input REF1 fails the single-period lower limit
check. (See Table 11, “Values for Single Period Limits” on page 45)
Table 39 - Reference Failure Status Register (RSR) Bits - Read Only
74
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Only Address: 0069H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R3
FML
R3
FMU
R3
FL
R3
FU
R2
FML
R2
FMU
R2
FL
R2
FU
R1
FML
R1
FMU
R1
FL
R1
FU
R0
FML
R0
FMU
R0
FL
R0
FU
Bit
Name
Description
4
R1FU
Reference 1 Single Period Upper Limit Fail Bit
If the device sets this bit to high, the input REF1 fails the single-period upper limit
check. (See Table 11, “Values for Single Period Limits” on page 45)
3
R0FML
Reference 0 Multi-period Lower Limit Fail Bit
If the device sets this bit to high, the input REF0 fails the multi-period lower limit check.
(See Table 12, “Multi-Period Hysteresis Limits” on page 45)
2
R0FMU
Reference 0 Multi-period Upper Limit Fail Bit
If the device sets this bit to high, the input REF0 fails the multi-period upper limit
check. (See Table 12, “Multi-Period Hysteresis Limits” on page 45)
1
R0FL
Reference 0 Single Period Lower Limit Fail Bit
If the device sets this bit to high, the input REF0 fails the single-period lower limit
check. (See Table 11, “Values for Single Period Limits” on page 45)
0
R0FU
Reference 0 Single Period Upper Limit Fail Bit
If the device sets this bit to high, the input REF0 fails the single-period upper limit
check. (See Table 11, “Values for Single Period Limits” on page 45)
Table 39 - Reference Failure Status Register (RSR) Bits - Read Only (continued)
External Read/Write Address: 006AH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R3
MML
R3
MMU
R3
ML
R3
MU
R2
MML
R2
MMU
R2
ML
R2
MU
R1
MML
R1
MMU
R1
ML
R1
MU
R0
MML
R0
MMU
R0
ML
R0
MU
Bit
Name
Description
15
R3MML
Reference 3 Multi-period Lower Limit Mask Bit
When this bit is high, it masks the multi-period lower limit check (or forces pass) for
REF3.
14
R3MMU
Reference 3 Multi-period Upper Limit Mask Bit
When this bit is high, it masks the multi-period upper limit check (or forces pass) for
REF3.
13
R3ML
Reference 3 Single-period Lower Limit Mask Bit
When this bit is high, it masks the single-period lower limit check (or forces pass) for
REF3.
Table 40 - Reference Mask Register (RMR) Bits
75
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 006AH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R3
MML
R3
MMU
R3
ML
R3
MU
R2
MML
R2
MMU
R2
ML
R2
MU
R1
MML
R1
MMU
R1
ML
R1
MU
R0
MML
R0
MMU
R0
ML
R0
MU
Bit
Name
Description
12
R3MU
Reference 3 Single-period Upper Limit Mask Bit
When this bit is high, it masks the single-period upper limit check (or forces pass) for
REF3.
11
R2MML
Reference 2 Multi-period Lower Limit Mask Bit
When this bit is high, it masks the multi-period lower limit check (or forces pass) for
REF2.
10
R2MMU
Reference 2 Multi-period Upper Limit Mask Bit
When this bit is high, it masks the multi-period upper limit check (or forces pass) for
REF2.
9
R2ML
Reference 2 Single-period Lower Limit Mask Bit
When this bit is high, it masks the single-period lower limit check (or forces pass) for
REF2.
8
R2MU
Reference 2 Single-period Upper Limit Mask Bit
When this bit is high, it masks the single-period upper limit check (or forces pass) for
REF2.
7
R1MML
Reference 1 Multi-period Lower Limit Mask Bit
When this bit is high, it masks the multi-period lower limit check (or forces pass) for
REF1.
6
R1MMU
Reference 1 Multi-period Upper Limit Mask Bit
When this bit is high, it masks the multi-period upper limit check (or forces pass) for
REF1.
5
R1ML
Reference 1 Single-period Lower Limit Mask Bit
When this bit is high, it masks the single-period lower limit check (or forces pass) for
REF1.
4
R1MU
Reference 1 Single-period Upper Limit Mask Bit
When this bit is high, it masks the single-period upper limit check (or forces pass) for
REF1.
3
R0MML
Reference 0 Multi-period Lower Limit Mask Bit
When this bit is high, it masks the multi-period lower limit check (or forces pass) for
REF0.
2
R0MMU
Reference 0 Multi-period Upper Limit Mask Bit
When this bit is high, it masks the multi-period upper limit check (or forces pass) for
REF0.
Table 40 - Reference Mask Register (RMR) Bits (continued)
76
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 006AH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R3
MML
R3
MMU
R3
ML
R3
MU
R2
MML
R2
MMU
R2
ML
R2
MU
R1
MML
R1
MMU
R1
ML
R1
MU
R0
MML
R0
MMU
R0
ML
R0
MU
Bit
Name
Description
1
R0ML
Reference 0 Single-period Lower Limit Mask Bit
When this bit is high, it masks the single-period lower limit check (or forces pass) for
REF0.
0
R0MU
Reference 0 Single-period Upper Limit Mask Bit
When this bit is high, it masks the single-period upper limit check (or forces pass) for
REF0.
Table 40 - Reference Mask Register (RMR) Bits (continued)
External Read Only Address: 006BH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
R3FS
2
R3FS
1
R3FS
0
R2FS
2
R2FS
1
R2FS
0
R1FS
2
R1FS
1
R1FS
0
R0FS
2
R0FS
1
R0FS
0
Bit
Name
15 - 12
Unused
11 - 9
R3FS2 - 0
Description
Reserved. In normal functional mode, these bits are zero.
Reference 3 Frequency Status Bits
These bits report detected frequency of REF3.
R3FS2
R3FS1
R3FS0
REF3 Frequency Measurement
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Table 41 - Reference Frequency Status Register (RFSR) Bits - Read only
77
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read Only Address: 006BH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
R3FS
2
R3FS
1
R3FS
0
R2FS
2
R2FS
1
R2FS
0
R1FS
2
R1FS
1
R1FS
0
R0FS
2
R0FS
1
R0FS
0
Bit
Name
8-6
R2FS2 - 0
5-3
2-0
R1FS2 - 0
R0FS2 - 0
Description
Reference 2 Frequency Status Bits: These bits report detected frequency of REF2.
R2FS2
R2FS1
R2FS0
REF 2 Frequency Measurement
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Reference 1 Frequency Status Bits: These bits report detected frequency of REF1.
R1FS2
R1FS1
R1FS0
REF1 Frequency Measurement
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Reference 0 Frequency Status Bits: These bits report detected frequency of REF0.
R0FS2
R0FS1
R0FS0
REF 0 Frequency Measurement
0
0
0
8 kHz
0
0
1
1.544 MHz
0
1
0
2.048 MHz
0
1
1
4.096 MHz
1
0
0
8.192 MHz
1
0
1
16.384 MHz
1
1
0
19.44 MHz
1
1
1
Reserved
Table 41 - Reference Frequency Status Register (RFSR) Bits - Read only (continued)
78
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 006CH
Reset Value: 0002H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
OJP2
OJP1
OJP0
Bit
Name
Description
15 - 3
Unused
Reserved
In normal functional mode, these bits MUST be set to zero.
2-0
OJP2 - 0
Output Jitter Performance Bits
These bits are used to control the DPLL output jitter performance with respect to the
noise received through the output pins. The higher value (unsigned) means more
filtering, while zero means filter bypass. The default value of 2H gives the best
performance for most circumstances.
Table 42 - Output Jitter Control Register (OJCR) Bits
External Read/Write Address: 0100H - 010FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
STIN[n]
BD2
STIN[n]
BD1
STIN[n]
BD0
STIN[n]
SMP1
STIN[n]
SMP0
STIN[n]
DR3
STIN[n]
DR2
STIN[n]
DR1
STIN[n]
DR0
Bit
Name
15 - 9
Unused
8-6
STIN[n]BD2 - 0
5-4
STIN[n]SMP1 - 0
Description
Reserved
In normal functional mode, these bits MUST be set to zero.
Input Stream[n] Bit Delay Bits.
The binary value of these bits refers to the number of bits that the input stream
will be delayed relative to FPi. The maximum value is 7. Zero means no delay.
Input Data Sampling Point Selection Bits
STIN[n]SMP1-0
Sampling Point
(2.048 Mbps, 4.096 Mbps, 8.192 Mbps
streams)
Sampling Point
(16.384 Mbps
streams)
00
3/4 point
2/4 point
01
1/4 point
10
2/4 point
11
4/4 point
Table 43 - Stream Input Control Register 0 - 15 (SICR0 - 15) Bits
79
Zarlink Semiconductor Inc.
4/4 point
ZL50015
Data Sheet
External Read/Write Address: 0100H - 010FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
STIN[n]
BD2
STIN[n]
BD1
STIN[n]
BD0
STIN[n]
SMP1
STIN[n]
SMP0
STIN[n]
DR3
STIN[n]
DR2
STIN[n]
DR1
STIN[n]
DR0
Bit
Name
3-0
STIN[n]DR3 - 0
Description
Input Data Rate Selection Bits:
STIN[n]DR3-0
Data Rate
0000
Stream Unused
0001
2.048 Mbps
0010
4.096 Mbps
0011
8.192 Mbps
0100
16.384 Mbps
0101 - 1111
Reserved
Note: [n] denotes input stream from 0 - 15.
Table 43 - Stream Input Control Register 0 - 15 (SICR0 - 15) Bits (continued)
80
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0120H - 012FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
STIN[n]
Q3C2
STIN[n]
Q3C1
STIN[n]
Q3C0
STIN[n]
Q2C2
STIN[n]
Q2C1
STIN[n]
Q2C0
STIN[n]
Q1C2
STIN[n]
Q1C1
STIN[n]
Q1C0
STIN[n]
Q0C2
STIN[n]
Q0C1
STIN[n]
Q0C0
Bit
Name
15 - 12
Unused
11 - 9
STIN[n]Q3C2 - 0
8-6
STIN[n]Q2C2 - 0
Description
Reserved
In normal functional mode, these bits MUST be set to zero.
Quadrant Frame 3 Control Bits
These three bits are used to control STi[n]’s quadrant frame 3, which is defined
as Ch24 to 31, Ch48 to 63, Ch96 to 127 and Ch192 to 255 for the 2.048 Mbps,
4.096 Mbps, 8.192 Mbps, and 16.384 Mbps modes respectively.
STIN[n]Q3C
2-0
Operation
0xx
normal operation
100
LSB of each channel is replaced by “0”
101
LSB of each channel is replaced by “1”
110
MSB of each channel is replaced by “0”
111
MSB of each channel is replaced by “1”
Quadrant Frame 2 Control Bits
These three bits are used to control STi[n]’s quadrant frame 2, which is defined
as Ch16 to 23, Ch32 to 47, Ch64 to 95 and Ch128 to 191 for the 2.048 Mbps,
4.096 Mbps, 8.192 Mbps, and 16.384 Mbps modes respectively.
STIN[n]Q2C
2-0
Operation
0xx
normal operation
100
LSB of each channel is replaced by “0”
101
LSB of each channel is replaced by “1”
110
MSB of each channel is replaced by “0”
111
MSB of each channel is replaced by “1”
Table 44 - Stream Input Quadrant Frame Register 0 - 15 (SIQFR0 - 15) Bits
81
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0120H - 012FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
STIN[n]
Q3C2
STIN[n]
Q3C1
STIN[n]
Q3C0
STIN[n]
Q2C2
STIN[n]
Q2C1
STIN[n]
Q2C0
STIN[n]
Q1C2
STIN[n]
Q1C1
STIN[n]
Q1C0
STIN[n]
Q0C2
STIN[n]
Q0C1
STIN[n]
Q0C0
Bit
Name
Description
5-3
STIN[n]Q1C2 - 0
Quadrant Frame 1 Control Bits
these three bits are used to control STi[n]’s quadrant frame 1, which is defined
as Ch8 to 15, Ch16 to 31, Ch32 to 63 and Ch64 to 127 for the 2.048 Mbps,
4.096 Mbps, 8.192 Mbps, and 16.384 Mbps modes respectively.
2-0
STIN[n]Q0C2 - 0
STIN[n]Q1C
2-0
Operation
0xx
normal operation
100
LSB of each channel is replaced by “0”
101
LSB of each channel is replaced by “1”
110
MSB of each channel is replaced by “0”
111
MSB of each channel is replaced by “1”
Quadrant Frame 0 Control Bits
These three bits are used to control STi[n]’s quadrant frame 0, which is defined
as Ch0 to 7, Ch0 to 15, Ch0 to 31 and Ch0 to 63 for the 2.048 Mbps,
4.096 Mbps, 8.192 Mbps, and 16.384 Mbps modes respectively.
STIN[n]Q0C
2-0
Operation
0xx
normal operation
100
LSB of each channel is replaced by “0”
101
LSB of each channel is replaced by “1”
110
MSB of each channel is replaced by “0”
111
MSB of each channel is replaced by “1”
Note: [n] denotes input stream from 0 - 15.
Table 44 - Stream Input Quadrant Frame Register 0 - 15 (SIQFR0 - 15) Bits (continued)
82
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0200H - 020FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
STOHZ
[n]A2
STOHZ
[n]A1
STOHZ
[n]A0
STO[n]
FA1
STO[n]
FA0
STO[n]
AD2
STO[n]
AD1
STO[n]
AD0
STO[n]
DR3
STO[n]
DR2
STO[n]
DR1
STO[n]
DR0
Bit
Name
15 - 12
Unused
11 - 9
STOHZ[n]A2 - 0
(Valid only for STio0-7)
Description
Reserved
In normal functional mode, these bits MUST be set to zero.
STOHZ Additional Advancement Bits
STOHZ[n]A2-0
000
001
010
011
100
101-111
8-7
STO[n]FA1 - 0
Additional Advancement
(2.048 Mbps, 4.096 Mbps,
8.192 Mbps)
0 bit
1/4 bit
2/4 bit
3/4 bit
4/4 bit
Reserved
Additional Advancement
(16.384 Mbps streams)
0 bit
2/4 bit
4/4 bit
Reserved
Output Stream[n] Fractional Advancement Bits
STO[n]FA1-0
Advancement
(2.048 Mbps, 4.096 Mbps,
8.192 Mbps streams)
Advancement
(16.384 Mbps streams)
00
0
0
01
1/4 bit
2/4
10
2/4 bit
Reserved
11
3/4 bit
6-4
STO[n]AD2 - 0
Output Stream[n] Bit Advancement Selection Bits
The binary value of these bits refers to the number of bits that the output stream
is to be advanced relative to FPo. The maximum value is 7. Zero means no
advancement.
3-0
STO[n]DR3 - 0
Output Data Rate Selection Bits
STIN[n]DR3 - 0
Data Rate
0000
disabled: STio HiZ
(STOHZ driven high)
0001
2.048 Mbps
0010
4.096 Mbps
0011
8.192 Mbps
0100
16.384 Mbps
0101 - 1111
Reserved
Note: [n] denotes output stream from 0 - 15.
Table 45 - Stream Output Control Register 0 - 15 (SOCR0 - 15) Bits
83
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0300H - 030FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
ST[n]
BRS7
ST[n]
BRS6
ST[n]
BRS5
ST[n]
BRS4
ST[n]
BRS3
ST[n]
BRS2
ST[n]
BRS1
ST[n]
BRS0
Bit
Name
15 - 8
Unused
7-0
ST[n]
BRS7 - 0
Description
Reserved
In normal functional mode, these bits MUST be set to zero.
Stream[n] BER Receive Start Bits
The binary value of these bits refers to the input channel in which the BER data starts
to be compared.
Note: [n] denotes input stream from 0 - 15
Table 46 - BER Receiver Start Register [n] (BRSR[n]) Bits
External Read/Write Address: 0320H - 032FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
ST[n]
BL8
ST[n]
BL7
ST[n]
BL6
ST[n]
BL5
ST[n]
BL4
ST[n]
BL3
ST[n]
BL2
ST[n]
BL1
ST[n]
BL0
Bit
Name
Description
15 - 9
Unused
Reserved
In normal functional mode, these bits MUST be set to zero.
8-0
ST[n]
BL8 - 0
Stream[n] BER Length Bits
The binary value of these bits refers to the number of consecutive channels expected
to receive the BER pattern. The maximum number of BER channels is 32, 64, 128 and
256 for the data rates of 2.048 Mbps, 4.096 Mbps, 8.192 Mbps and 16.384 Mbps
respectively. The minimum number of BER channels is 1. If these bits are set to zero,
no BER test will be performed.
Note: [n] denotes input stream from 0 - 15
Table 47 - BER Receiver Length Register [n] (BRLR[n]) Bits
84
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
External Read/Write Address: 0340H - 034FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ST[n]
CBER
ST[n]
SBER
Bit
Name
Description
15 - 2
Unused
1
ST[n]
CBER
Stream[n] Bit Error Rate Counter Clear
When this bit is high, it resets the internal bit error counter and the stream BER
Receiver Error Register to zero.
0
ST[n]
SBER
Stream[n] Bit Error Rate Test Start
When this bit is high, it enables the BER receiver; starts the bit error rate test. The bit
error test result is kept in the BER Receiver Error (BRER[n]) register. Upon the
completion of the BER test, set this bit to zero. Note that the RBEREB bit must be set
in the IMS Register first.
Reserved
In normal functional mode, these bits MUST be set to zero.
Note: [n] denotes input stream from 0 - 15
Table 48 - BER Receiver Control Register [n] (BRCR[n]) Bits
External Read Address: 0360H - 036FH
Reset Value: 0000H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ST[n]
BC15
ST[n]
BC14
ST[n]
BC13
ST[n]
BC12
ST[n]
BC11
ST[n]
BC10
ST[n]
BC9
ST[n]
BC8
ST[n]
BC7
ST[n]
BC6
ST[n]
BC5
ST[n]
BC4
ST[n]
BC3
ST[n]
BC2
ST[n]
BC1
ST[n]
BC0
Bit
Name
Description
15 - 0
ST[n]
BC15 - 0
Stream[n] BER Count Bits (Read Only)
The binary value of these bits refers to the bit error counts. When it reaches its maximum value of 0xFFFF, the value will be held and will not rollover.
Note: [n] denotes input stream from 0 - 15
Table 49 - BER Receiver Error Register [n] (BRER[n]) Bits - Read Only
85
Zarlink Semiconductor Inc.
ZL50015
24.0
Memory
24.1
Memory Address Mappings
Data Sheet
When A13 is high, the data or connection memory can be accessed by the microprocessor port. Bit 1 - 0 in the
Control Register determine the access to the data or connection memory (CM_L or CM_H).
MSB
(Note 1)
Stream Address
(St0 - 15)
Channel Address
(Ch0 - 255)
A13
A12
A11
A10
A9
A8
Stream [n]
A7
A6
A5
A4
A3
A2
A1
A0
1
1
1
1
1
1
1
1
1
.
.
.
.
.
1
1
.
.
0
0
0
0
0
0
0
0
0
.
.
.
.
.
0
0
0
0
0
0
0
0
0
0
1
.
.
.
.
.
1
1
0
0
0
0
1
1
1
1
0
.
.
.
.
.
1
1
0
0
1
1
0
0
1
1
0
.
.
.
.
.
1
1
0
1
0
1
0
1
0
1
0
.
.
.
.
.
0
1
Stream 0
Stream 1
Stream 2
Stream 3
Stream 4
Stream 5
Stream 6
Stream 7
Stream 8
.
.
.
.
.
Stream 14
Stream 15
0
0
.
.
0
0
0
0
.
.
0
0
.
.
.
.
0
0
.
.
.
.
1
1
0
0
.
.
0
0
0
0
.
.
0
0
.
.
.
.
1
1
.
.
.
.
1
1
0
0
.
.
0
0
1
1
.
.
1
1
.
.
.
.
1
1
.
.
.
.
1
1
0
0
.
.
1
1
0
0
0
0
.
.
1
1
0
0
.
.
1
1
.
.
.
.
1
1
.
.
.
.
1
1
0
0
.
.
1
1
0
0
.
0
0
.
.
1
1
0
0
1
1
.
.
.
.
1
1
.
.
.
.
1
1
1
1
.
.
.
.
1
1
.
.
.
.
1
1
0
1
.
.
0
1
0
1
.
.
0
1
.
.
.
.
0
1
.
.
.
.
0
1
Notes:
1. A13 must
2. Channels
3. Channels
4. Channels
5. Channels
1
1
.
.
.
.
1
1
.
.
.
.
1
1
Channel [n]
Ch 0
Ch 1
.
.
Ch 30
Ch 31 (Note 2)
Ch 32
Ch 33
.
.
Ch 62
Ch 63 (Note 3)
.
.
.
.
Ch126
Ch 127 (Note 4)
.
.
.
.
Ch 254
Ch 255 (Note 5)
be high for access to data and connection memory positions. A13 must be low to access internal registers.
0 to 31 are used when serial stream is at 2.048 Mbps.
0 to 63 are used when serial stream is at 4.096 Mbps.
0 to 127 are used when serial stream is at 8.192 Mbps.
0 to 255 are used when serial stream is at 16.384 Mbps.
Table 50 - Address Map for Memory Locations (A13 = 1)
86
Zarlink Semiconductor Inc.
ZL50015
24.2
Data Sheet
Connection Memory Low (CM_L) Bit Assignment
When the CMM bit (bit 0) in the connection memory low is zero, the per-channel transmission is set to the normal
channel-switching. The connection memory low bit assignment for the channel transmission mode is shown in
Table 51 on page 87.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
UA
EN
V/C
SSA
4
SSA
3
SSA
2
SSA
1
SSA
0
SCA
7
SCA
6
SCA
5
SCA
4
SCA
3
SCA
2
SCA
1
SCA
0
CMM
=0
Bit
Name
Description
15
UAEN
Conversion between µ-law and A-law Enable
When this bit is low, normal switch without µ-law/A-law conversion. Connection memory high will be ignored.
When this bit is high, switch with µ-law/A-law conversion, and connection
memory high controls the conversion method.
14
V/C
Variable/Constant Delay Control
When this bit is low, the output data for this channel will be taken from constant delay memory.
When this bit is set to high, the output data for this channel will be taken from
variable delay memory. Note that VAREN must be set in Control Register
first.
13
Unused
Reserved. In normal functional mode, these bits MUST be set to zero.
12 - 9
SSA3 - 0
Source Stream Address
The binary value of these 4 bits represents the input stream number.
8-1
SCA7 - 0
Source Channel Address
The binary value of these 8 bits represents the input channel number.
0
CMM = 0
Connection Memory Mode = 0
If this is low, the connection memory is in the normal switching mode. Bit13 1 are the source stream number and channel number.
Note: For proper
µ-law/A-law conversion, the CM_H bits should be set before Bit 15 (UAEN bit) is set to high.
Table 51 - Connection Memory Low (CM_L) Bit Assignment when CMM = 0
87
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
When CMM is one, the device is programmed to perform one of the special per-channel transmission modes. Bits
PCC0 and PCC1 from connection memory are used to select the per-channel tristate, message or BER test mode
as shown in Table 52 on page 88.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
UA
EN
0
0
0
0
MSG
7
MSG
6
MSG
5
MSG
4
MSG
3
MSG
2
MSG
1
MSG
0
PCC
1
PCC
0
CMM
=1
Bit
Name
Description
15
UAEN
Conversion between µ-law and A-law Enable (Message mode only)
When this bit is low, message mode has no µ-law/A-law conversion. Connection memory high will be ignored.
When this bit is high, message mode has µ-law/A-law conversion, and connection memory high controls the conversion method.
14 - 11
Unused
10 - 3
MSG7 - 0
Message Data Bits
8-bit data for the message mode. Not used in the per-channel tristate and
BER test modes.
2-1
PCC1 - 0
Per-Channel Control Bits
These two bits control the corresponding entry’s value on the STio stream.
Reserved
In normal functional mode, these bits MUST be set to zero.
PC
C1
0
CMM = 1
Note: For proper
PC
C0
Channel Output Mode
0
0
Per Channel Tristate
0
1
Message Mode
1
0
BER Test Mode
1
1
Reserved
Connection Memory Mode = 1
If this is high, the connection memory is in the per-channel control mode
which is per-channel tristate, per-channel message mode or per-channel BER
mode.
µ-law/A-law conversion, the CM_H bits should be set before Bit 15 (UAEN bit) is set to high.
Table 52 - Connection Memory Low (CM_L) Bit Assignment when CMM = 1
24.3
Connection Memory High (CM_H) Bit Assignment
Connection memory high provides the detailed information required for µ-law and A-law conversion. ICL and OCL
bits describe the Input Coding Law and the Output Coding Law, respectively. They are used to select the expected
PCM coding laws for the connection, on the TDM inputs, and on the TDM outputs. The V/D bit is used to select the
class of coding law. If the V/D bit is cleared (to select a voice connection), the ICL and OCL bits select between
A-law and µ-law specifications related to G.711 voice coding. If the V/D bit is set (to select a data connection), the
ICL and OCL bits select between various bit inverting protocols. These coding laws are illustrated in the following
table. If the ICL is different than the OCL, all data bytes passing through the switch on that particular connection are
translated between the indicated laws. If the ICL and the OCL are the same, no coding law translation is performed.
88
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
The ICL, the OCL bits and V/D bit only have an effect on PCM code translations for constant delay connections,
variable delay connections and per-channel message mode.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
V/D
ICL
1
ICL
0
OCL
1
OCL
0
Bit
Name
Description
15 - 5
Unused
Reserved
In normal functional mode, these bits MUST be set to zero.
4
V/D
Voice/Data Control
When this bit is low, the corresponding channel is for voice.
When this bit is high, the corresponding channel is for data.
3-2
ICL1 - 0
Input Coding Law.
ICL1-0
1-0
OCL1 - 0
Input Coding Law
For Voice (V/D bit = 0)
For Data (V/D bit = 1)
00
CCITT.ITU A-law
No code
01
CCITT.ITU µ-law
ABI
10
A-law w/o ABI
Inverted ABI
11
µ-law w/o Magnitude
Inversion
All Bits Inverted
Output Coding Law
OCL1-0
Output Coding Law
For Voice (V/D bit = 0)
For Data (V/D bit = 1)
00
CCITT.ITU A-law
No code
01
CCITT.ITU µ-law
ABI
10
A-law w/o ABI
Inverted ABI
11
µ-law w/o Magnitude
Inversion
All Bits Inverted
µ- law/A-law conversion, the CM_H bits should be set before Bit 15 of CM_L is set to high.
Note 1:
For proper
Note 2:
Refer to G.711 standard for detail information of different laws.
Table 53 - Connection Memory High (CM_H) Bit Assignment
89
Zarlink Semiconductor Inc.
ZL50015
25.0
Data Sheet
Applications
This section contains application-specific details for clock and crystal operation and power supply decoupling.
25.1
OSCi Master Clock Requirement
The device requires a 20 MHz master clock source at the OSCi pin when operating in Master mode or in Divided
Slave with OSC mode. The clock source may be either an external clock oscillator connected to the OSCi pin, or an
external crystal connected between the OSCi and OSCo pins. If an external clock source is present, OSC_EN must
be tied high.
Note that using a crystal is only suitable for wider tolerance applications (e.g., ±100 ppm). For stratum 4E
applications a clock oscillator with a tolerance of ±32 ppm should be used. See Application Note ZLAN-68 for a list
of Oscillators and Crystals that can be used with Zarlink PLL’s and Digital Switches with embedded PLL’s.
25.1.1
External Crystal Oscillator
When an external crystal oscillator is used, a complete oscillator circuit made up of a crystal, resistor and capacitors
is shown in Figure 23 on page 90. XC is a buffered version of the 20 MHz input clock connected to the internal
circuitry.
1 K DX
OSCi
20 MHz
1 ΜΩ
25 pF
XC
25 pF
OSCo
Figure 23 - Crystal Oscillator Circuit
The accuracy of a crystal oscillator circuit depends on the crystal tolerance as well as the load capacitance
tolerance. Typically, for a 20 MHz crystal specified with a 32 pF load capacitance, each 1 pF change in load
capacitance contributes approximately 9 ppm to the frequency deviation. Consequently, capacitor tolerances and
stray capacitances have a major effect on the accuracy of the oscillator frequency. The trimmer capacitor shown in
Figure 23 on page 90 may be used to compensate for capacitive effects.
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Zarlink Semiconductor Inc.
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Data Sheet
The crystal should be a fundamental mode type - not an overtone. The fundamental mode crystal permits a simpler
oscillator circuit with no additional filter components and is less likely to generate spurious responses. The crystal
accuracy only affects the output clock accuracy in the freerun or the holdover mode. The crystal specification is as
follows:
Frequency
20 MHz
Tolerance
As required
Oscillation Mode
Fundamental
Resonance Mode
Parallel
Load Capacitance
20 pF - 32 pF
Maximum Series Resistance
35 Ω
Approximate Drive Level
1 mW
25.1.2
External Clock Oscillator
When an external clock oscillator is used, numerous parameters must be considered. They include absolute
frequency, frequency change over temperature, output rise and fall times, output levels and duty cycle.
The output clock should be connected directly (not AC coupled) to the OSCi input of the device, and the OSCo
output should be left open as shown in Figure 24 on page 91. XC is a buffered version of the 20 MHz input clock
connected to the internal circuitry.
1K DX
OSCi
+3.3 V
+3.3V
20 MHz OUT
GND
XC
0.1 uF
OSCo
No Connection
Figure 24 - Clock Oscillator Circuit
For applications requiring ±32 ppm clock accuracy, the following requirements should be met.
Frequency
20.000 MHz
Tolerance
±32 ppm
Rise and Fall Time
10 ns
Duty Cycle
40% to 60%
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Zarlink Semiconductor Inc.
ZL50015
26.0
Data Sheet
DC Parameters
Absolute Maximum Ratings*
Parameter
Symbol
Min.
Max.
Units
VDD_IO
-0.5
5.0
V
VDD_CORE
-0.5
2.5
V
1
I/O Supply Voltage
2
Core Supply Voltage
3
Input Voltage
VI_3V
-0.5
VDD + 0.5
V
4
Input Voltage (5 V-tolerant inputs)
VI_5V
-0.5
7.0
V
5
Continuous Current at Digital Outputs
Io
15
mA
6
Package Power Dissipation
PD
7
Storage Temperature
TS
- 55
1.5
W
+125
°C
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Recommended Operating Conditions - Voltages are with respect to ground (VSS) unless otherwise stated.
Characteristics
Sym.
Min.
Typ.‡
Max.
Units
TOP
-40
25
+85
°C
1
Operating Temperature
2
Positive Supply
VDD_IO
3.0
3.3
3.6
V
3
Positive Supply
VDD_CORE
1.71
1.8
1.89
V
4
Input Voltage
VI
0
3.3
VDD_IO
V
5
Input Voltage on 5 V-Tolerant Inputs
VI_5V
0
5.0
5.5
V
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
DC Electrical Characteristics† - Voltages are with respect to ground (Vss) unless otherwise stated.
Characteristics
Sym.
Min.
Typ.‡
Max.
Units
IDD_CORE
150
mA
IDD_IO
45
mA
Test Conditions
1
Supply Current - VDD_CORE
2
Supply Current - VDD_IO
3
Input High Voltage
VIH
4
Input Low Voltage
VIL
0.8
V
5
Input Leakage (input pins)
Input Leakage (bi-directional pins)
IIL
IBL
5
5
µA
µA
0≤<VIN≤VDD_IO
See Note 1
6
Weak Pullup Current
IPU
-33
µA
Input at 0 V
7
Weak Pulldown Current
IPD
33
µA
Input at VDD_IO
3
pF
8
Input Pin Capacitance
9
Output High Voltage
VOH
10 Output Low Voltage
VOL
11 Output High Impedance Leakage
IOZ
12 Output Pin Capacitance
CO
2.0
CL = 30 pF
V
CI
2.4
5
V
IOH = 10 mA
0.4
V
IOL = 10 mA
5
µA
0 < V < VDD
10
pF
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
* Note 1: Maximum leakage on pins (output or I/O pins in high impedance state) is over an applied voltage (VIN).
92
Zarlink Semiconductor Inc.
ZL50015
27.0
Data Sheet
AC Parameters
AC Electrical Characteristics† - Timing Parameter Measurement Voltage Levels
Characteristics
Sym.
Level
Units
1
CMOS Threshold
VCT
0.5 VDD_IO
V
2
Rise/Fall Threshold Voltage High
VHM
0.7 VDD_IO
V
3 Rise/Fall Threshold Voltage Low
VLM
0.3 VDD_IO
† Characteristics are over recommended operating conditions unless otherwise stated.
V
Conditions
Timing Reference Points
V HM
V CT
V LM
ALL SIGNALS
Figure 25 - Timing Parameter Measurement Voltage Levels
93
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
AC Electrical Characteristics† - Motorola Non-Multiplexed Bus Mode - Read Access
Characteristics
Sym
Min.
Typ.
Max.
Test Conditions2
Units
1
CS de-asserted time
tCSD
15
ns
2
DS de-asserted time
tDSD
15
ns
3
CS setup to DS falling
tCSS
0
ns
4
R/W setup to DS falling
tRWS
10
ns
5
Address setup to DS falling
tAS
5
ns
6
CS hold after DS rising
tCSH
0
ns
7
R/W hold after DS rising
tRWH
0
ns
8
Address hold after DS rising
tAH
0
ns
9
Data setup to DTA Low
tDS
8
ns
CL = 50 pF
10 Data hold after DS rising
tDH
7
ns
CL = 50 pF, RL = 1 K
(Note 1)
11 Acknowledgement delay time.
From DS low to DTA low:
Registers
Memory
tAKD
12 Acknowledgement hold time.
From DS high to DTA high
tAKH
13 DTA drive high to HiZ
tAKZ
Note 1:
Note 2:
4
75
185
ns
ns
12
ns
8
ns
CL = 50 pF
CL = 50 pF
CL = 50 pF, RL = 1 K
(Note 1)
High impedance is measured by pulling to the appropriate rail with R L, with timing corrected to cancel time taken to
discharge C L .
A delay of 500 µs to 2 ms (see Section 17.2 on page 46) must be applied before the first microprocessor access is
performed after the RESET pin is set high.
† Characteristics are over recommended operating conditions unless otherwise stated.
tCSD
tCSS
tCSH
CS
VCT
tDSD
DS
VCT
tRWS
tRWH
VCT
R/W
tAS
tAH
VCT
VALID ADDRESS
A0-A13
tDH
VCT
VALID READ DATA
D0-D15
tDS
tAKZ
VCT
DTA
tAKD
tAKH
Figure 26 - Motorola Non-Multiplexed Bus Timing - Read Access
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
AC Electrical Characteristics† - Motorola Non-Multiplexed Bus Mode - Write Access
Characteristics
Sym.
Min.
Typ.
Max.
Units
1
CS de-asserted time
tCSD
15
ns
2
DS de-asserted time
tDSD
15
ns
3
CS setup to DS falling
tCSS
0
ns
4
R/W setup to DS falling
tRWS
10
ns
5
Address setup to DS falling
tAS
5
ns
6
Data setup to DS falling
tDS
0
ns
7
CS hold after DS rising
tCSH
0
ns
8
R/W hold after DS rising
tRWH
0
ns
9
Address hold after DS rising
tAH
0
ns
10 Data hold from DS rising
tDH
5
ns
11 Acknowledgement delay time.
From DS low to DTA low:
Registers
Memory
tAKD
12 Acknowledgement hold time.
From DS high to DTA high
tAKH
13 DTA drive high to HiZ
tAKZ
Note 1:
Note 2:
4
55
150
ns
ns
12
ns
8
ns
Test Conditions2
CL = 50 pF
CL = 50 pF, RL = 1 K
(Note 1)
CL = 50 pF
CL = 50 pF
CL = 50 pF, RL = 1 K
(Note 1)
High impedance is measured by pulling to the appropriate rail with R L, with timing corrected to cancel time taken to
discharge C L .
A delay of 500 µs to 2 ms (see Section 17.2 on page 46) must be applied before the first microprocessor access is
performed after the RESET pin is set high.
† Characteristics are over recommended operating conditions unless otherwise stated.
tCSD
tCSH
tCSS
CS
VCT
tDSD
DS
VCT
tRWH
tRWS
VCT
R/W
tAH
tAS
VCT
VALID ADDRESS
A0-A13
tDS
tDH
VCT
VALID WRITE DATA
D0-D15
tAKZ
VCT
DTA
tAKD
tAKH
Figure 27 - Motorola Non-Multiplexed Bus Timing - Write Access
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
AC Electrical Characteristics† - Intel Non-Multiplexed Bus Mode - Read Access
Characteristics
Sym.
Min.
Typ.
Max.
Test Conditions2
Units
1
CS de-asserted time
tCSD
15
ns
2
RD setup to CS falling
tRS
10
ns
3
WR setup to CS falling
tWS
10
ns
4
Address setup to CS falling
tAS
5
ns
5
RD hold after CS rising
tRH
0
ns
6
WR hold after CS rising
tWH
0
ns
7
Address hold after CS rising
tAH
0
ns
8
Data setup to RDY high
tDS
8
ns
CL = 50 pF
9
Data hold after CS rising
tDH
7
ns
CL = 50 pF, RL = 1 K
(Note 1)
10 Acknowledgement delay time.
From CS low to RDY high:
Registers
Memory
tAKD
11 Acknowledgement hold time.
From CS high to RDY low
tAKH
12 RDY drive low to HiZ
tAKZ
Note 1:
Note 2:
4
75
185
ns
ns
12
ns
8
ns
CL = 50 pF
CL = 50 pF
CL = 50 pF, RL = 1 K
(Note 1)
High impedance is measured by pulling to the appropriate rail with RL, with timing corrected to cancel time taken to
discharge C L .
A delay of 500 µs to 2 ms (see Section 17.2 on page 46) must be applied before the first microprocessor access is
performed after the RESET pin is set high.
† Characteristics are over recommended operating conditions unless otherwise stated.
tCSD
VCT
CS
tRH
tRS
VCT
RD
tWH
tWS
VCT
WR
tAH
tAS
VCT
VALID ADDRESS
A0-A13
tDH
VCT
VALID READ DATA
D0-D15
tDS
tAKZ
VCT
RDY
tAKD
tAKH
Figure 28 - Intel Non-Multiplexed Bus Timing - Read Access
96
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
AC Electrical Characteristics† - Intel Non-Multiplexed Bus Mode - Write Access
Characteristics
Sym.
Min.
Typ.
Max.
Units
1
CS de-asserted time
tCSD
15
ns
2
WR setup to CS falling
tWS
10
ns
3
RD setup to CS falling
tRS
10
ns
4
Address setup to CS falling
tAS
5
ns
5
Data setup to CS falling
tDS
0
ns
6
WR hold after CS rising
tWH
0
ns
7
RD hold after CS rising
tRH
0
ns
8
Address hold after CS rising
tAH
10
ns
9
Data hold after CS rising
tDH
5
ns
10 Acknowledgement delay time.
From CS low to RDY high:
Registers
Memory
tAKD
11 Acknowledgement hold time.
From CS high to RDY low
tAKH
12 RDY drive low to HiZ
tAKZ
Note 1:
Note 2:
4
55
150
ns
ns
12
ns
8
ns
Test Conditions2
CL = 50 pF
CL = 50 pF, RL = 1 K
(Note 1)
CL = 50 pF
CL = 50 pF
CL = 50 pF, RL = 1 K
(Note 1)
High impedance is measured by pulling to the appropriate rail with R L, with timing corrected to cancel time taken to
discharge C L .
A delay of 500 µs to 2 ms (Section 17.2 on page 46) must be applied before the first microprocessor access is performed
after the RESET pin is set high.
† Characteristics are over recommended operating conditions unless otherwise stated.
tCSD
VCT
CS
tWH
tWS
VCT
WR
tRH
tRS
VCT
RD
tAH
tAS
VCT
VALID ADDRESS
A0-A13
tDH
tDS
D0-D15
VCT
VALID WRITE DATA
tAKZ
VCT
RDY
tAKD
tAKH
Figure 29 - Intel Non-Multiplexed Bus Timing - Write Access
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Zarlink Semiconductor Inc.
ZL50015
Data Sheet
AC Electrical Characteristics† - JTAG Test Port Timing
Characteristic
Sym.
Min.
Typ.
Max.
Units
1
TCK Clock Period
tTCKP
100
ns
2
TCK Clock Pulse Width High
tTCKH
20
ns
3
TCK Clock Pulse Width Low
tTCKL
20
ns
4
TMS Set-up Time
tTMSS
10
ns
5
TMS Hold Time
tTMSH
10
ns
6
TDi Input Set-up Time
tTDIS
20
ns
7
TDi Input Hold Time
tTDIH
60
ns
8
TDo Output Delay
tTDOD
9
TRST pulse width
tTRSTW
30
ns
200
Notes
CL = 30 pF
ns
† Characteristics are over recommended operating conditions unless otherwise stated.
tTCKL
tTCKH
tTCKP
TCK
tTMSS
tTMSH
TMS
tTDIS
tTDIH
TDi
tTDOD
TDo
tTRSTW
TRST
Figure 30 - JTAG Test Port Timing Diagram
AC Electrical Characteristics† - OSCi 20 MHz Input Timing
Characteristic
1
Input frequency accuracy
2
Duty cycle
Sym.
Max.
Units
Notes‡
-32
-100
32
100
ppm
ppm
Stratum 4E
Relaxed Stratum 4E
40
60
%
1
ns
14
Min.
Typ.
3 Input rise or fall time
tIR,tIF
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 119.
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Zarlink Semiconductor Inc.
3
ZL50015
Data Sheet
AC Electrical Characteristics† - FPi and CKi Timing when CKIN1-0 bits = 00 (16.384 MHz)
Characteristic
Sym.
Min.
Typ.‡
61
Max. Units Notes
1
FPi Input Frame Pulse Width
tFPIW
40
2
FPi Input Frame Pulse Setup Time
tFPIS
20
ns
3
FPi Input Frame Pulse Hold Time
tFPIH
20
ns
4
CKi Input Clock Period
tCKIP
55
5
CKi Input Clock High Time
tCKIH
6
CKi Input Clock Low Time
tCKIL
7
CKi Input Clock Rise/Fall Time
61
115
ns
67
ns
27
34
ns
27
34
ns
3
ns
20
ns
trCKi, tfCKi
8 CKi Input Clock Cycle to Cycle Variation
tCVC
0
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics† - FPi and CKi Timing when CKIN1-0 bits = 01 (8.192 MHz)
Characteristic
Sym.
Min.
Typ.‡
122
Max. Units Notes
1
FPi Input Frame Pulse Width
tFPIW
90
2
FPi Input Frame Pulse Setup Time
tFPIS
45
ns
3
FPi Input Frame Pulse Hold Time
tFPIH
45
ns
4
CKi Input Clock Period
tCKIP
110
5
CKi Input Clock High Time
tCKIH
6
CKi Input Clock Low Time
tCKIL
7
CKi Input Clock Rise/Fall Time
122
220
ns
135
ns
55
69
ns
55
69
ns
3
ns
20
ns
trCKi, tfCKi
0
8 CKi Input Clock Cycle to Cycle Variation
tCVC
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics† - FPi and CKi Timing when CKIN1-0 bits = 10 (4.096 MHz)
Characteristic
Sym.
Min.
Typ.‡
244
Max. Units Notes
1
FPi Input Frame Pulse Width
tFPIW
90
2
FPi Input Frame Pulse Setup Time
tFPIS
110
ns
3
FPi Input Frame Pulse Hold Time
tFPIH
110
ns
4
CKi Input Clock Period
tCKIP
220
5
CKi Input Clock High Time
tCKIH
6
CKi Input Clock Low Time
tCKIL
7
CKi Input Clock Rise/Fall Time
8
CKi Input Clock Cycle to Cycle Variation
244
ns
110
135
ns
110
135
ns
3
ns
20
ns
0
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
99
Zarlink Semiconductor Inc.
ns
270
trCKi, tfCKi
tCVC
420
ZL50015
Data Sheet
tFPIW
FPi
tFPIS
tFPIH
tCKIP
tCKIH
tCKIL
CKi
trCKI
tfCKI
Input Frame Boundary
Figure 31 - Frame Pulse Input and Clock Input Timing Diagram (ST-BUS)
tFPIW
FPi
tFPIS
tFPIH
tCKIP
tCKIH
tCKIL
CKi
trCKI
tfCKI
Input Frame Boundary
Figure 32 - Frame Pulse Input and Clock Input Timing Diagram (GCI-Bus)
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Data Sheet
AC Electrical Characteristics† - ST-BUS/GCI-Bus Input Timing
Characteristic
1
Min.
Typ.
Max.
Units
tSIS2
tSIS4
tSIS8
tSIS16
5
5
5
ns
ns
ns
ns
tSIH2
tSIH4
tSIH8
tSIH16
8
8
8
ns
ns
ns
ns
Test Conditions
STi Setup Time
2.048 Mbps
4.096 Mbps
8.192 Mbps
16.384 Mbps
2
Sym.
STi Hold Time
2.048 Mbps
4.096 Mbps
8.192 Mbps
16.384 Mbps
† Characteristics are over recommended operating conditions unless otherwise stated.
FPi
CKi
(16.384 MHz)
FPi
CKi
(8.192 MHz)
FPi
CKi
(4.096 MHz)
tSIS2
tSIH2
STi0 - 15
2.048 Mbps
Bit0
Ch31
Bit6
Ch0
Bit7
Ch0
VCT
tSIS4
tSIH4
STi0 - 15
4.096 Mbps
Bit0
Ch63
Bit7
Ch0
Bit6
Ch0
Bit5
Ch0
Bit4
Ch0
VCT
tSIS8
tSIH8
STi0 - 15
8.192 Mbps
Bit1
Ch127
Bit0
Ch127
Bit7
Ch0
Bit6
Ch0
Bit5
Ch0
Bit4
Ch0
Bit3
Ch0
Bit2
Ch0
Bit1
Ch0
Bit0
Ch0
TT
VVCT
Input Frame Boundary
Figure 33 - ST-BUS Input Timing Diagram when Operated at 2 Mbps, 4 Mbps, 8 Mbps
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Zarlink Semiconductor Inc.
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Data Sheet
FPi
CKi
(16.384 MHz)
tSIS16
tSIH16
STi0 - 15
16.384 Mbps
Bit1
Ch255
Bit0
Ch255
Bit7
Ch0
Bit6
Ch0
Bit5
Ch0
Bit4
Ch0
Bit3
Ch0
Bit2
Ch0
Bit1
Ch0
Bit0
Ch0
TT
VVCT
Input Frame Boundary
Figure 34 - ST-BUS Input Timing Diagram when Operated at 16 Mbps
FPi
CKi
(16.384 MHz)
FPi
CKi
(8.192 MHz)
FPi
CKi
(4.096 MHz)
tSIS2
tSIH2
STi0 - 15
2.048 Mbps
Bit7
Ch31
Bit1
Ch0
Bit0
Ch0
VCT
tSIS4
tSIH4
STi0 - 15
4.096 Mbps
Bit7
Ch63
Bit0
Ch0
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
VCT
tSIS8
tSIH8
STi0 - 15
8.192 Mbps
Bit6
Ch127
Bit7
Ch127
Bit0
Ch0
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
Bit4
Ch0
Bit5
Ch0
Bit6
Ch0
Bit7
Ch0
TT
VVCT
Input Frame Boundary
Figure 35 - GCI-Bus Input Timing Diagram when Operated at 2 Mbps, 4 Mbps, 8 Mbps
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Data Sheet
FPi
CKi
(16.384 MHz)
tSIS16
tSIH16
STi0 - 15
16.384 Mbps
Bit6
Ch255
Bit7
Ch255
Bit0
Ch0
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
Bit4
Ch0
Bit5
Ch0
Bit6
Ch0
Bit7
Ch0
Input Frame Boundary
Figure 36 - GCI-Bus Input Timing Diagram when Operated at 16 Mbps
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TT
VVCT
ZL50015
Data Sheet
AC Electrical Characteristics† - ST-BUS/GCI-Bus Output Timing
Characteristic
1
Sym.
Min.
Typ.
Max.
Units
Test Conditions
CL = 30 pF
STio Delay - Active to Active
@2.048 Mbps
@4.096 Mbps
@8.192 Mbps
@16.384 Mbps
tSOD2
tSOD4
tSOD8
tSOD16
1
1
1
1
8
8
8
8
ns
ns
ns
ns
Master Mode
@2.048 Mbps
@4.096 Mbps
@8.192 Mbps
@16.384 Mbps
tSOD2
tSOD4
tSOD8
tSOD16
0
0
0
0
6
6
6
6
ns
ns
ns
ns
Multiplied Slave Mode
@2.048 Mbps
@4.096 Mbps
@8.192 Mbps
@16.384 Mbps
tSOD2
tSOD4
tSOD8
tSOD16
-6
-6
-6
-6
0
0
0
0
ns
ns
ns
ns
Divided Slave Mode
† Characteristics are over recommended operating conditions unless otherwise stated.
FPo0
CKo0
(4.096 MHz)
tSOD2
STio0 - 15
2.048 Mbps
Bit7
Ch0
Bit0
Ch31
Bit6
Ch0
VCT
tSOD4
STio0 - 15
4.096 Mbps
Bit0
Ch63
Bit7
Ch0
Bit6
Ch0
Bit5
Ch0
Bit4
Ch0
VCT
tSOD8
STio0 - 15
8.192 Mbps
Bit0
Ch127
Bit7
Ch0
Bit6
Ch0
Bit5
Ch0
Bit4
Ch0
Bit3
Ch0
Bit2
Ch0
Bit1
Ch0
Bit0
Ch0
VCT
tSOD16
STio0 - 15
16.384 Mbps
Bit2 Bit1
Bit0 Bit7
Ch255 Ch255 Ch255 Ch0
Bit6
Ch0
Bit5
Ch0
Bit4
Ch0
Bit3
Ch0
Bit2
Ch0
Bit1
Ch0
Bit0
Ch0
Bit7
Ch1
Bit6
Ch1
Bit5
Ch1
Bit4
Ch1
Bit3
Ch1
Bit2
Ch1
Bit1
Ch1
Output Frame Boundary
Figure 37 - ST-BUS Output Timing Diagram when Operated at 2, 4, 8 or 16 Mbps
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Zarlink Semiconductor Inc.
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ZL50015
Data Sheet
FPo0
CKo0
(4.096 MHz)
tSOD2
STio0 - 15
2.048 Mbps
Bit0
Ch0
Bit7
Ch31
Bit1
Ch0
VCT
tSOD4
STio0 - 15
4.096 Mbps
Bit7
Ch63
Bit0
Ch0
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
VCT
tSOD8
STio0 - 15
8.192 Mbps
Bit7
Ch127
Bit0
Ch0
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
Bit4
Ch0
Bit5
Ch0
Bit6
Ch0
Bit7
Ch0
VCT
tSOD16
STio0 - 15
16.384 Mbps
Bit5 Bit6
Bit7 Bit0
Ch255 Ch255 Ch255 Ch0
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
Bit4
Ch0
Bit5
Ch0
Bit6
Ch0
Bit7
Ch0
Bit0
Ch1
Bit1
Ch1
Bit2
Ch1
Bit3
Ch1
Bit4
Ch1
Bit5
Ch1
Bit6
Ch1
Output Frame Boundary
Figure 38 - GCI-Bus Output Timing Diagram when Operated at 2, 4, 8 or 16 Mbps
105
Zarlink Semiconductor Inc.
VCT
ZL50015
Data Sheet
AC Electrical Characteristics† - ST-BUS/GCI-Bus Output Tristate Timing
Characteristic
Sym.
Min.
Typ.
Max.
Units
Test Conditions*
1
STio Delay - Active to High-Z
tDZ
-2
-3
-8
8
7
0
ns
ns
ns
Master Mode
Multiplied Slave Mode
Divided Slave Mode
2
STio Delay - High-Z to Active
tZD
-2
-3
-8
8
7
0
ns
ns
ns
Master Mode
Multiplied Slave Mode
Divided Slave Mode
3
Output Drive Enable (ODE) Delay
- High-Z to Active
77
ns
Master or
Multiplied Slave Mode
260
138
77
ns
ns
ns
77
ns
ns
ns
tZD_ODE
CKi @ 4.096 MHz
CKi @ 8.192 MHz
CKi @ 16.384 MHz
4
Output Drive Enable (ODE) Delay
- Active to High-Z
tDZ_ODE
260
138
77
CKi @ 4.096 MHz
CKi @ 8.192 MHz
CKi @ 16.384 MHz
Divided Slave Mode
Master or
Multiplied Slave Mode
Divided Slave Mode
† Characteristics are over recommended operating conditions unless otherwise stated.
* Test condition is RL = 1 k, CL = 30 pF; high impedance is measured by pulling to the appropriate rail with RL, with timing corrected to cancel
the time taken to discharge CL.
VCT
FPo0
VCT
CKo0
tDZ
STio
Valid Data
Tristate
VCT
Valid Data
VCT
tZD
Tristate
STio
Figure 39 - Serial Output and External Control
VCT
ODE
tZD_ODE
STio
HiZ
tDZ_ODE
Valid Data
HiZ
Figure 40 - Output Drive Enable (ODE)
106
Zarlink Semiconductor Inc.
VCT
ZL50015
Data Sheet
AC Electrical Characteristics† - Slave Mode Input/Output Frame Boundary Alignment
Characteristic
Sym.
Min.
Typ.
Max.
Units
1
Input and Output Frame Offset in
Divided Slave Mode
tFBOS
5
13
ns
2
Input and Output Frame Offset in
Multiplied Slave Mode
tFBOS
2
10
ns
Notes
Input reference jitter is
equal to zero.
† Characteristics are over recommended operating conditions unless otherwise stated.
FPi
CKi
(16.384 MHz)
FPi
CKi
(8.192 MHz)
FPi
CKi
(4.096 MHz)
Input Frame Boundary
tFBOS
Output Frame Boundary
FPo0
CKo0
(4.096 MHz)
Figure 41 - Input and Output Frame Boundary Offset
107
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
tFPW0
VCT
FPo0/FPo3
tFODF0
tFODR0
tCKP0
tCKH0
tCKL0
VCT
CKo0/CKo3
trCK0
tfCK0
Output Frame Boundary
Figure 42 - FPo0 and CKo0 or FPo3 and CKo3 (4.096 MHz) Timing Diagram
AC Electrical Characteristics† - FPo0 and CKo0 or FPo3 and CKo3 (4.096 MHz) Timing (Master Mode, Divided Slave Mode, or
Multiplied Slave Mode with less than 10 ns of Cycle to Cycle Variation on CKi)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
244
249
ns
1
FPo0 Output Pulse Width
tFPW0
239
2
FPo0 Output Delay from the FPo0 falling edge
to the output frame boundary
tFODF0
117
127
ns
3
FPo0 Output Delay from the output frame
boundary to the FPo0 rising edge
tFODR0
117
127
ns
4
CKo0 Output Clock Period
tCKP0
239
249
ns
5
CKo0 Output High Time
tCKH0
117
127
ns
6
CKo0 Output Low Time
tCKL0
117
127
ns
7 CKo0 Output Rise/Fall Time
trCK0, tfCK0
5
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
ns
244
Notes
CL = 30 pF
CL = 30 pF
AC Electrical Characteristics† - FPo0 and CKo0 or FPo3 and CKo3 (4.096 MHz) Timing (Multiplied Slave Mode with more than
10 ns of Cycle to Cycle Variation on CKi)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
244
270
ns
1
FPo0 Output Pulse Width
tFPW0
218
2
FPo0 Output Delay from the FPo0 falling edge
to the output frame boundary
tFODF0
117
127
ns
3
FPo0 Output Delay from the output frame
boundary to the FPo0 rising edge
tFODR0
97
146
ns
4
CKo0 Output Clock Period
tCKP0
218
270
ns
5
CKo0 Output High Time
tCKH0
117
127
ns
6
CKo0 Output Low Time
tCKL0
97
146
ns
7
CKo0 Output Rise/Fall Time
5
ns
trCK0, tfCK0
244
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
108
Zarlink Semiconductor Inc.
Notes
CL = 30 pF
CL = 30 pF
ZL50015
Data Sheet
tFPW1
VCT
FPo1/FPo3
tFODF1
tFODR1
tCKP1
tCKH1
tCKL1
VCT
CKo1/CKo3
trCK1
tfCK1
Output Frame Boundary
Figure 43 - FPo1 and CKo1 or FPo3 and CKo3 (8.192 MHz) Timing Diagram
AC Electrical Characteristics† - FPo1 and CKo1 or FPo3 and CKo3 (8.192 MHz) Timing (Master Mode, Divided Slave Mode, or
Multiplied Slave Mode with less than 10 ns of Cycle to Cycle Variation on CKi)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
122
127
ns
1
FPo1 Output Pulse Width
tFPW1
117
2
FPo1 Output Delay from the FPo1 falling edge
to the output frame boundary
tFODF1
56
66
ns
3
FPo1 Output Delay from the output frame
boundary to the FPo1 rising edge
tFODR1
56
66
ns
4
CKo1 Output Clock Period
tCKP1
117
127
ns
5
CKo1 Output High Time
tCKH1
56
66
ns
6
CKo1 Output Low Time
tCKL1
56
66
ns
7 CKo1 Output Rise/Fall Time
trCK1, tfCK1
5
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
ns
122
Notes
CL = 30 pF
CL = 30 pF
AC Electrical Characteristics† - FPo1 and CKo1 or FPo3 and CKo3 (8.192 MHz) Timing (Multiplied Slave Mode with more than
10 ns of Cycle to Cycle Variation on CKi)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
122
127
ns
1
FPo1 Output Pulse Width
tFPW1
106
2
FPo1 Output Delay from the FPo1 falling edge
to the output frame boundary
tFODF1
56
66
ns
3
FPo1 Output Delay from the output frame
boundary to the FPo1 rising edge
tFODR1
46
66
ns
4
CKo1 Output Clock Period
tCKP1
106
148
ns
5
CKo1 Output High Time
tCKH1
46
87
ns
6
CKo1 Output Low Time
tCKL1
46
66
ns
7
CKo1 Output Rise/Fall Time
5
ns
trCK1, tfCK1
122
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
109
Zarlink Semiconductor Inc.
Notes
CL = 30 pF
CL = 30 pF
ZL50015
Data Sheet
tFPW2
VCT
FPo2/FPo3
tFODF2
tFODR2
tCKP2
tCKH2
tCKL2
VCT
CKo2/CKo3
trCK2
tfCK2
Output Frame Boundary
Figure 44 - FPo2 and CKo2 or FPo3 and CKo3 (16.384 MHz) Timing Diagram
AC Electrical Characteristics† - FPo2 and CKo2 or FPo3 and CKo3 (16.384 MHz) Timing (Master Mode, Divided Slave Mode, or
Multiplied Slave Mode with less than 10 ns of Cycle to Cycle Variation on CKi)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
61
66
ns
1
FPo2 Output Pulse Width
tFPW2
56
2
FPo2 Output Delay from the FPo2 falling edge
to the output frame boundary
tFODF2
25
36
ns
3
FPo2 Output Delay from the output frame
boundary to the FPo2 rising edge
tFODR2
25
36
ns
4
CKo2 Output Clock Period
tCKP2
56
66
ns
5
CKo2 Output High Time
tCKH2
25
36
ns
6
CKo2 Output Low Time
tCKL2
25
36
ns
7 CKo2 Output Rise/Fall Time
trCK2, tfCK2
5
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
ns
61
Notes
CL = 30 pF
CL = 30 pF
AC Electrical Characteristics† - FPo2 and CKo2 or FPo3 and CKo3 (16.384 MHz) Timing (Multiplied Slave
Mode with more than 10 ns of Cycle to Cycle Variation on CKi)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
61
66
ns
1
FPo2 Output Pulse Width
tFPW2
56
2
FPo2 Output Delay from the FPo2 falling edge
to the output frame boundary
tFODF2
25
36
ns
3
FPo2 Output Delay from the output frame
boundary to the FPo2 rising edge
tFODR2
25
36
ns
4
CKo2 Output Clock Period
tCKP2
47
76
ns
5
CKo2 Output High Time
tCKH2
17
43
ns
6
CKo2 Output Low Time
tCKL2
17
43
ns
7
CKo2 Output Rise/Fall Time
5
ns
trCK2, tfCK2
61
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
110
Zarlink Semiconductor Inc.
Notes
CL = 30 pF
CL = 30 pF
ZL50015
Data Sheet
tFPW3
VCT
FPo3
tFODF3
tFODR3
tCKP3
tCKH3
tCKL3
VCT
CKo3
trCK3
tfCK3
Output Frame Boundary
Figure 45 - FPo3 and CKo3 (32.768 MHz) Timing Diagram
AC Electrical Characteristics† - FPo3 and CKo3 (32.768 MHz) Timing (Master Mode, Divided Slave Mode, or Multiplied Slave
Mode with less than 10 ns of Cycle to Cycle Variation on CKi)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
30.5
34
ns
1
FPo3 Output Pulse Width
tFPW3
27
2
FPo3 Output Delay from the FPo3 falling edge
to the output frame boundary
tFODF3
10
18
ns
3
FPo3 Output Delay from the output frame
boundary to the FPo3 rising edge
tFODR3
12
21
ns
4
CKo3 Output Clock Period
tCKP3
27
34
ns
5
CKo3 Output High Time
tCKH3
12
19
ns
6
CKo3 Output Low Time
tCKL3
12
19
ns
7 CKo3 Output Rise/Fall Time
trCK3, tfCK3
5
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
ns
30.5
Notes
CL = 30 pF
CL = 30 pF
AC Electrical Characteristics† - FPo3 and CKo3 (32.768 MHz) Timing (Multiplied Slave Mode with more than
10 ns of Cycle to Cycle Variation on CKi
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
30.5
34
ns
1
FPo3 Output Pulse Width
tFPW3
27
2
FPo3 Output Delay from the FPo3 falling edge
to the output frame boundary
tFODF3
12
19
ns
3
FPo3 Output Delay from the output frame
boundary to the FPo3 rising edge
tFODR3
12
19
ns
4
CKo3 Output Clock Period
tCKP3
17
44
ns
5
CKo3 Output High Time
tCKH3
5
29
ns
6
CKo3 Output Low Time
tCKL3
12
18
ns
7
CKo3 Output Rise/Fall Time
5
ns
trCK3, tfCK3
30.5
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
111
Zarlink Semiconductor Inc.
Notes
CL = 30 pF
CL = 30 pF
ZL50015
Data Sheet
VCT
FPo0
tCKP4
tCKH4
tCKL4
VCT
CKo4
trCK4
tfCK4
Output Frame Boundary
Figure 46 - FPo4 and CKo4 Timing Diagram (1.544/2.048 MHz)
AC Electrical Characteristics† - CKo4 (1.544 MHz) Timing (Only when DPLL is active)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
1
CKo4 Output Clock Period
tCKP4
645
648
650
ns
2
CKo4 Output High Time
tCKH4
320
324
327
ns
3
CKo4 Output Low Time
tCKL4
320
324
327
ns
4
CKo4 Output Rise/Fall Time
5
ns
trCK4, tfCK4
Notes
CL = 30 pF
AC Electrical Characteristics† - CKo4 (2.048 MHz) Timing (Only when DPLL is active)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
1
CKo4 Output Clock Period
tCKP4
485
488
492
ns
2
CKo4 Output High Time
tCKH4
241
244
247
ns
3
CKo4 Output Low Time
tCKL4
241
244
247
ns
4
CKo4 Output Rise/Fall Time
5
ns
trCK4, tfCK4
Notes
CL = 30 pF
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
tFPW5
FPo5
(shares output pin
with FPo_OFF2)
VCT
tFODF5
tFODR5
tCKP5
tCKH5
tCKL5
VCT
CKo5
tfCK5
Output Frame Boundary
Figure 47 - CKo5 Timing Diagram (19.44 MHz)
112
Zarlink Semiconductor Inc.
trCK5
ZL50015
Data Sheet
AC Electrical Characteristics† - CKo5 (19.44 MHz) Timing (Only when DPLL is active)
Characteristic
Sym.
Min.
Typ.‡
Max.
Units
1
FPo5 Output Pulse Width
tFPW5
49
51
55
ns
2
FPo5 Output Delay from the FPo5 falling edge
to the output frame boundary
tFODF5
22
25
28
ns
3
FPo5 Output Delay from the output frame
boundary to the FPo5 rising edge
tFODR5
21
25
32
ns
4
CKo5 Output Clock Period
tCKP5
50
51
53
ns
5
CKo5 Output High Time
tCKH5
23
25
27
ns
6
CKo5 Output Low Time
tCKL5
24
25
28
ns
7 CKo5 Output Rise/Fall Time
trCK5, tfCK5
5
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
ns
113
Zarlink Semiconductor Inc.
Notes
CL = 30 pF
ZL50015
Data Sheet
AC Electrical Characteristics† - REF0-3 Reference Input to CKo Output Timing
Characteristic
1
Minimum Input Pulse Width High or Low
2
Input Rise or Fall Time
3
REF input to CKo0 output delay (no input jitter)
REF @ 8 kHz, 2.048, 4.096, 8.192, 16.384 MHz
REF @ 1.544 MHz
REF @ 19.44 MHz
Sym.
Min.
tRPMIN
16
tIR, (or tIF)
tRD
-7
6
-10
Max.
Units
Notes‡
ns
1,2,3,14
5
ns
0
15
-2
ns
ns
ns
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 119.
tRPMIN
tRD
REF0-3
FPo[n]
VCT
tIR
VCT
VCT
CKo[n]
Figure 48 - REF0 - 3 Reference Input/Output Timing
114
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
AC Electrical Characteristics† - Master Mode Output Timing
Characteristic
Sym.
Min.
Max.
Units
1
CKo0 to CKo1 (8.192 MHz) delay
tC1D
-1
2
ns
2
CKo0 to CKo2 (16.384 MHz) delay
tC2D
-1
3
ns
3
CKo0 to CKo3
(32.768 MHz/16.384 MHz/8.192 MHz/4.096 MHz) delay
tC3D
-4
0
ns
4
CKo0 to CKo4 (1.544 MHz/2.048 MHz) delay
CKo4 @ 1.544 MHz
CKo4 @ 2.048 MHz
tC4D
-12
-2
-7
3
ns
ns
CKo0 to CKo5 (19.44 MHz) delay
tC5D
6
12
ns
Sym.
Min.
Max.
Units
5
Notes‡
1-5,14
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 119.
AC Electrical Characteristics† - Divided Slave Mode Output Timing
Characteristic
1
CKo0 to CKo1 (8.192 MHz) delay
tC1D
-1
2
ns
2
CKo0 to CKo2 (16.384 MHz) delay
tC2D
-1
3
ns
3
CKo0 to CKo3
(16.384 MHz/8.192 MHz/4.096 MHz) delay
tC3D
-2
2
ns
Sym.
Min.
Max.
Units
Notes‡
1-5,14
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 119.
AC Electrical Characteristics† - Multiplied Slave Mode Output Timing
Characteristic
1
CKo0 to CKo1 (8.192 MHz) delay
tC1D
-1
2
ns
2
CKo0 to CKo2 (16.384 MHz) delay
tC2D
-1
3
ns
3
CKo0 to CKo3
(32.768 MHz/16.384 MHz/8.192 MHz/4.096 MHz) delay
tC3D
-1
3
ns
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 119.
115
Zarlink Semiconductor Inc.
Notes‡
1-5,14
ZL50015
FPo0
Data Sheet
VCT
CKo0
(4.096 MHz)
tC4D
CKo4
(1.544 MHz)
VCT
VCT
tC1D
VCT
CKo1
(8.192 MHz)
tC2D
VCT
CKo2
(16.384 MHz)
tC5D
CKo5
(19.44 MHz)
VCT
tC3D
CKo3
(32.768 MHz)
VCT
Figure 49 - Output Timing (ST-BUS Format)
116
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
DPLL Performance Characteristics† - Accuracy & Switching
Characteristics
Min.
Max.
Units
Conditions/
Notes‡
1
Freerun Accuracy
-0.003
0
ppm
1,5,7
2
Initial Holdover Frequency Stability
-0.03
0.03
ppm
1,4,8
3
Pull-in/Hold-in Range (Stratum 4E)
-260
260
ppm
1,3,7,9
4
Reference Far Hysteresis Limit (Stratum 4E)
-82.5
82.5
ppm
1,3,7,9,12
5
Reference Near Hysteresis Limit (Stratum 4E)
-64.5
64.5
ppm
6
Reference Far Hysteresis Limit (Relaxed Stratum 4E)
-248
248
ppm
7
Reference Near Hysteresis Limit (Relaxed Stratum 4E)
-242
242
ppm
8
Output phase continuity for reference switch1
31
ns
11
9
Normal output phase alignment speed (phase slope)
56
µs/s
10
10
Normal phase lock time2
75
s
1,3,7,9,10
1. Reference switching to normal, holdover, or freerun mode
2. -32 to +32 ppm locking
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 119.
117
Zarlink Semiconductor Inc.
1,3,7,9,13
ZL50015
Data Sheet
DPLL Performance Characteristics† - Output Jitter Generation (Unfiltered except for CKo5)
Characteristics
Typ.‡
Units
Conditions/Notes*
1-6,14
1
Jitter at CKo0 and CKo3 (4.096 MHz)
810
ps-pp
2
Jitter at CKo1 and CKo3 (8.192 MHz)
800
ps-pp
3
Jitter at CKo2 and CKo3 (16.384 MHz)
710
ps-pp
4
Jitter at CKo3 (4.096, 8.192, 16.384, or 32.768 MHz)
670
ps-pp
5
Jitter at CKo4 (1.544 MHz or 2.048 MHz)
1.544 MHz
2.048 MHz
1060
630
ps-pp
ps-pp
Jitter at CKo5 (19.44 MHz)
unfiltered jitter
500 Hz - 1.3 MHz jitter
65 kHz - 1.3 MHz jitter
12 kHz - 1.3 MHz jitter
770
540
460
510
ps-pp
ps-pp
ps-pp
ps-pp
6
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
* See “Performance Characteristics Notes” on page 119.
118
Zarlink Semiconductor Inc.
ZL50015
Data Sheet
Performance Characteristics Notes
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C, VDD_CORE at 1.8 V and VDD_IO at 3.3 V and are for design aid only: not guaranteed and not subject to production
testing.
1. Jitter on master clock input (XIN) is 100 ps pp or less.
2. Jitter on reference input (REF0-3) is 2 ns pp or less.
3. Normal Mode selected.
4. Holdover Mode selected.
5. Freerun Mode selected.
6. Jitter is measured without an output filter.
7. Accuracy of master clock input (XIN) is 0 ppm.
8. Accuracy of master clock input (XIN) is 100 ppm.
9. Capture range is +/-260 ppm; inaccuracy of XIN shifts this range.
10. Phase alignment speed (phase slope) is programmed to 7 ns/125µs.
11. Any input reference switch or state switch (i.e. REF0 to REF3, Normal to Holdover, etc.).
12. Multi-period near limits and far limits are programmed to +/-64.713ppm & +/-82.487ppm respectively. (ST4_LIM = 1)
13. Multi-period near limits and far limits are programmed to +/-240ppm & +/-250ppm respectively. (ST4_LIM = 0)
14. 30 pF load on output pin.
119
Zarlink Semiconductor Inc.
b
Package Code
c Zarlink Semiconductor 2003 All rights reserved.
ISSUE
1
ACN
214440
DATE
26June03
APPRD.
Previous package codes
Package Code
c Zarlink Semiconductor 2003 All rights reserved.
ISSUE
ACN
DATE
APPRD.
Previous package codes
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However, Zarlink assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such
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