issfd-m020_f_sm5964a..

SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Product List
Feature
SM5964AL25, 25MHz 64KB internal flash MCU
SM5964AC40, 40MHz 64KB internal flash MCU

General Description
Working Voltage: 3.0V ~ 3.6V For L Version.
4.5V ~ 5.5V For C Version.
The SM5964A is an 8-bit single-chip micro- controller
manufactured in an advanced CMOS process with on chip
flash memory. It supports In- System Programming (ISP)
function and is a derivative of the 8052 micro-controller family.
The SM5964A has the same instructions set as the 80C51.
The SM5964A contains a 64KB on chip program flash, a
volatile 1024 x 8 data RAM, four 8-bit I/O ports, one 4-bit I/O
port, two 16-bit timer/event counters, and an additional 16-bit
timer coupled to capture and compare latches, a
two-priority-level, nested interrupt structure, two pulse-widthmodulation (PWM) outputs, two serial interfaces (UART and
TWSI bus). For system that requires extra capability the
SM5964A can be expanded using standard LVTTL compatible
memory and logic.
In addition, The SM5964A has two software selectable modes
of power saving – IDLE mode and POWER-DOWN mode. The
IDLE mode freezes the CPU while allowing the RAM, timer,
serial ports, and interrupt system to continue functioning. The
POWER-DOWN mode saves the RAM contents but freezes
the oscillator, causing all other chip functions to be inoperative.
The on chip flash memory can store data while the program is
running. It also can upgrade the user program by down-load
new code form PC or other devices. The chip is considered as
a small integrated system.

80C51 Central Processor Unit (CPU)

64K x 8 on chip flash memory with In-
Ordering Information
System-Programming(ISP) capability

1024 x 8 RAM, expandable externally to 64KB

Two standard 16-bit timers/counters

An additional 16-bit timer/counter coupled to a capture
and compare register.

Two 8-bit / 5-bit resolution Pulse-Width-Modulation
(PWM) outputs

Four 8-bit I/O ports.(For PDIP package)

Four 8-bit I/O ports plus one 4-bit I/O port. (For PLCC
or QFP package)

TWSI-bus serial I/O port with master and slave
functions

Full-duplex UART

7 interrupt sources with 2 priority levels

Temperature range (-40℃ to +85℃)
SM5964AihhkL

Software enable/disable ALE output pulse
yymmv

Wake-up from POWER-DOWN mode by external
i: process identifier {L=3.0V~3.6V,C=4.5V~ 5.5V}
hh: working clock in MHz {25, 40}
k: package type postfix {as below table}
yy: year
mm: month
v: version identifier { , A, B, ...}
L: PB free identifier {no text is Non-PB free, “P” is PB free}
Postfix
P
J
Q
Package
40L PDIP
44L PLCC
44L PQFP
Pin / Pad Configuration
Page 2
Page 3
Page 4
interrupt or H/W RESET.



ISP service program space configurable in N*512 byte
(N=0 to 8) size
Flash Memory Endurance : 10K erase and write
cycles each byte at TA=25℃
Flash Memory Data Retention :10 years
Taiwan
6F, No.10-2 Li- Hsin 1st Road ,
Science-based Industrial Park,
Hsinchu, Taiwan 30078
TEL: 886-3-567-1820
886-3-567-1880
FAX: 886-3-567-1891
886-3-567-1894
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
1
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Pin Configuration
1
40
VDD
T2EX/P1.1
2
39
P0.0/AD0
PWM0/P1.2
3
38
P0.1/AD1
PWM1/P1.3
4
37
P0.2/AD2
P1.4
5
36
P0.3/AD3
P1.5
6
35
P0.4/AD4
SCL/P1.6
7
34
P0.5/AD5
SDA/P1.7
8
33
P0.6/AD6
RESET
9
32
P0.7/AD7
RXD/P3.0
10
31
EA
TXD/P3.1
11
30
ALE
INT0/P3.2
12
29
PSEN
INT1/P3.3
13
28
P2.7/A15
T0/P3.4
14
27
P2.6/A14
T1/P3.5
15
26
P2.5/A13
WR/P3.6
16
25
P2.4/A12
RD/P3.7
17
24
P2.3/A11
XTAL2
18
23
P2.2/A10
XTAL1
19
22
P2.1/A9
VSS
20
21
P2.0/A8
SyncMOS
T2/P1.0
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
2
03/2013
SyncMOS Technologies International, Inc.
SM5964A
39
38
P0.3/AD3
P2.7/A15
T0/P3.4
P2.6/A14
T1/P3.5
P2.5/A13
18
19
20
21
22
23
24
25
26
27
28
A12/P2.4
37
P0.2/AD2
INT1/P3.3
A11/P2.3
36
P0.1/AD1
PSEN
A10/P2.2
35
P0.0/AD0
INT0/P3.2
A9/P2.1
34
VDD
ALE
A8/P2.0
TXD/P3.1
33
P4.2
P4.1
P4.0
P4.3
32
P1.0/T2
EA
VSS
RXD/P3.0
31
P1.1/T2EX
P0.7/AD7
XTAL1
RESET
30
P1.2/PWM0
P0.6/AD6
XTAL2
SDA/P1.7
SCL/P1.6
RD/P3.7
P0.5/AD5
P1.5
WR/P3.6
P0.4/AD4
29
P1.3/PWM1
40
7
41
8
42
9
43
10
44
11
1
12
2
13
3
14
4
15
5
16
6
17
P1.4
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
3
03/2013
SyncMOS Technologies International, Inc.
SM5964A
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
P4.1
ALE
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
33
32
31
30
29
28
27
26
25
24
23
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
17
P4.0
T2/P1.0
40
16
VSS
T2EX/P1.1
41
15
XTAL1
PWM0/P1.2
42
14
XTAL2
PWM1/P1.3
43
13
P3.7/RD
P1.4
44
12
P3.6/WR
11
39
T1/P3.5
P4.2
10
P2.0/A8
T0/P3.4
18
9
38
INT1/P3.3
VDD
8
P2.1/A9
INT0/P3.2
19
7
37
TXD/P3.1
AD0/P0.0
6
P2.2/A10
P4.3
20
5
36
RXD/P3.0
AD1/P0.1
4
P2.3/A11
RESET
21
3
35
SDA/P1.7
AD2/P0.2
2
P2.4/A12
SCL/P1.6
22
1
34
P1.5
AD3/P0.3
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
4
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Block Diagram
(1)
EA
IAP
FLASH
64Kx8
Int-RAM
UART
256x8
(1)
(1)
(1)
Ext-RAM
PWM
768x8
C51
CORE
CPU
T2
T2EX
(3)
PWM1
Xtal1
Xtal2
PWM0
TxD
RxD
(3)
Timer2
iBUS
ALE
PSEN
RD
WR
Timer0
Timer1
(3)
(3)
Parallel I/O ports & Ext. Bus
INT
Port0
PDWU
Port1
Port2
Port3
Port4
TWSI
(1)
(3)
(3)
(3)
(3)
(1)
(3)
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
5
SDA
Notes:
(1): Alternate function of P1
(3): Alternate function of P3
SCL
P4
P3
P2
P1
P0
INT1
INT0
INT1
INT0
T1
T0
RES
(3)
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Pin Description
MNEMONIC
PDIP 40 pin
PQFP 44 Pin
PLCC 44 pin
VDD
40
38
44
P0.0 – P0.7
39,38,37,36
35,34,33,32
37,36,35,34
33,32,31,30
43,42,41,40
39,38,37,36
P1.0 – P1.7
1,2,3,4,
5,6,7,8
40,41,42,43,
44,1,2,3
2,3,4,5,
6,7,8,9
RST
9
4
10
P2.0 – P2.7
21,22,23,24,
25,26,27,28
18,19,20,21
22,23,24,25
24,25,26,27,
28,29,30,31
P3.0 – P3.7
10,11,12,13
14,15,16,17
5,7,8,9,
10,11,12,13
11, 13,14,15,
16,17,18,19
Names and Functions
Power supply:
power supply pin during normal operations and power saving modes.
Port 0:
Port 0 is an open-drain, bidirectional I/O port. Port 0 pins that have
1s written to them become floating and can be used as highimpedance inputs. Port 0 is also the multiplexed low-order address
and data bus during accesses to external program and data memory.
In this application, it uses strong internal pull-ups when emitting 1s.
Port 1:
An 8-bits bidirectional I/O port with internal pull-ups on all pins.
Port 1 pins that have 1s written to them are pulled high by the
internal pull-ups and can be used as inputs. As inputs, port 1 pins that
are externally pulled low will source current because of the internal
pull-ups. (See DC Electrical Characteristics: IIL).
Alternate function of SM5964A include：
Port Pin
Alternative function
P1.0
T2： TIMER2 clock output
P1.1
T2EX：TIMER2 reload/capture DIR.
P1.2
PWM0：PWM channel 0 output
P1.3
PWM1：PWM channel 1 output
P1.6
SCL：TWSI bus clock
P1.7
SDA：TWSI bus data
Reset:
A high on this pin for two machine cycles while the oscillator is
running resets the device. An internal resistor to VSS permits a
power-on reset using only an external capacitor to VCC.
Port 2:
Port 2 is an 8-bits bidirectional I/O port with internal pull-ups. Port 2
pins that have 1s written to them are pulled high by the internal
pull-ups and can be used as inputs. As inputs, port 2 pins that are
externally being pulled low will source current because of the
internal pull-ups. (See DC Electrical Characteristics: IIL). Port 2
emits the high-order address byte during fetches from external
program memory and during accesses to external data memory that
uses 16-bits addresses (MOVX @DPTR). In this application, it uses
strong internal pull-ups when emitting 1s. During accesses to
external data memory that uses 8-bits addresses (MOV @Ri), port 2
emits the contents of the P2 special function register.
Port 3:
Port 3 is an 8-bits bidirectional I/O port with internal pull-ups. Port 3
pins that have 1s written to them are pulled high by the internal
pull-ups and can be used as inputs. As inputs, port 3 pins that are
externally being pulled low will source current because of the
pull-ups. (See DC Electrical Characteristics: IIL). Port 3 also serves
the special features.
Port Pin
Alternative function
P3.0
RxD UART input
P3.1
TxD UART output
P3.2
#EX0 external interrupt 0
P3.3
#EX1 external interrupt 1
P3.4
T0: Timer 0 external input
P3.5
T1: Timer 1 external input
P3.6
#WR External data memory write strobe
P3.7
#RD External data memory read strobe
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
6
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
P4.0 – 4.3
MNEMONIC
NA
PDIP 40 pin
17,28,39,6
PQFP 44 Pin
23,34,1,12
PLCC 44 pin
ALE
30
27
33
#PSEN
29
26
32
#EA
31
29
35
X1
19
15
21
X2
18
14
20
Port 4:
Port 4 is an 4-bits bidirectional I/O port with internal pull-ups. Port 4
pins that have 1s written to them are pulled high by the internal
pull-ups and can be used as inputs. As inputs, port 4 pins that are
externally being pulled low will source current because of the
pull-ups. (See DC Electrical Characteristics: IIL).
Names and Functions
Address Latch Enable:
Output pulse for latching the low byte of the address during an
access to external memory. In normal operation, ALE is emitted
twice every machine cycle, and can be used for external timing or
clocking. Note that one ALE pulse is skipped during each access to
external data memory. Setting SFR SCONF.0 can disable ALE. With
this bit set, ALE will be active only during a MOVX instruction.
Program Store Enable:
The read strobe to external program memory. When executing code
from the external program memory, #PSEN is activated twice each
machine cycle, except that two #PSEN activations are skipped
during each access to external data memory. #PSEN is not activated
during fetches from internal program memory.
External Access Enable:
#EA must be externally held low to enable the device to fetch code
from external program memory locations. If #EA is held high, the
device executes from internal program memory.
Crystal 1:
Input to the inverting oscillator amplifier and input to the internal
clock generator circuits.
Crystal 2:
Output from the inverting oscillator amplifier.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
7
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
SFR Mapping
The special function register of SM5964A fall into the following categories

C51 CORE register: ACC, B, DPL, DPH, PSW, SP

I/O ports: P0,P1, P2, P3, P4, P1CON

Timer/Counter register: T2CON, T2MOD, TCON, TMOD, TH0, TH1, TH2, TL0, TL1, TL2, RCAP2L,

RCAP2H
UART I/O register: SBUF, SCON

TWSI bus register: TWSIS, TWSIA, TWSIC1, TWSIC2, TWSITXD, TWSIRXD

Power and system control register: PCON, SCONF


Interrupt system register: IP, IE, IP1, IE1, IFR
IAP Flash programming register :ISPFAH, ISPFAL, ISPFD, ISPC

PWM output register: PWMC0, PWMC1, PWMD0, PWMD1
Table 1 SFR Map
$FF
$F8
$F0
B
0000 0000
ISPFAH
0000 0000
ISPFAL
0000 0000
ISPFD
0000 0000
ISPC
0000 0000
$EF
$E8
$E0
$D8
$D0
$C8
$C0
$B8
$B0
$A8
$A0
$98
$90
$88
$80
$F7
ACC
0000 0000
P4
xxxx 1111
PSW
0000 0000
T2CON
0000 0000
TWSIS
0000 0000
IP
0000 0000
P3
1111 1111
IE
0000 0000
P2
1111 1111
SCON
0000 0000
P1
1111 1111
TCON
0000 0000
P0
1111 1111
$E7
$DF
T2MOD
xxxx xx00
TWSIA
1010 0000
IP1
0000 0000
RCAP2L
0000 0000
TWSIC1
0000 0001
PWMC0
0000 0000
RCAP2H
0000 0000
TWSIC2
0000 0000
$D7
TH2
0000 0000
TWSIRXD
0000 0000
$CF
$C7
SCONF
0000 0000
PWMD0
0000 0000
IE1
0000 0000
PWMC1
0000 0000
TL2
0000 0000
TWSITXD
1111 1111
$BF
$B7
PWMD1
0000 0000
$AF
IFR
0000 0000
$A7
SBUF
xxxx xxxx
$9F
P1CON
0000 0000
$97
TMOD
0000 0000
SP
0000 0111
TL0
0000 0000
DPL
0000 0000
TL1
0000 0000
DPH
0000 0000
TH0
0000 0000
TH1
0000 0000
RCON
0000 0000
$8F
PCON
0000 0000
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
8
$87
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Table 2 : All SFR list (8051, I/O, Timer, UART, TWSI, System, Interrupt)
Symbol
Description
Direct
ACC
B
SP
PSW
DPH
DPL
Accumulator
B register
Stack Pointer
Process Status
Data Pointer High
Data Pointer Low
E0H
F0H
81H
D0H
83H
82H
P0
P1
P2
P3
P4
P1CON
Port 0
Port 1
Port 2
Port 3
Port 4
P1 Control
TCON
TMOD
TH0
TL0
TH1
TL1
T2CON
T2MOD
RCAP2H
RCAP2L
TH2
TL2
Bit 7
Bit 6
CY
AC
80H
90H
A0H
B0H
D8H
9BH
P0.7
P1.7
P2.7
P3.7
P0.6
P1.6
P2.6
P3.6
SDAE
Timer Control register
Timer Mode
Timer 0 High
Timer 0 Low
Timer 1 High
Timer 1 Low
Timer 2 Control
Timer 2 Mode
RCAP2 High
RCAP2 Low
Timer 2 High
Time 2 Low
88H
89H
8CH
8AH
8DH
8BH
C8H
C9H
CBH
CAH
CDH
CCH
SCON
SBUF
UART Control
UART Buffer
TWSIS
TWSIA
TWSIC1
TWSIC2
Bit 5
8051 Core
F0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESET
00H
00H
07H
00H
00H
00H
RS1
RS0
OV
P0.4
P1.4
P2.4
P3.4
P0.2
P1.2
P2.2
P3.2
P4.2
PWM0E
P0.1
P1.1
P2.1
P3.1
P4.1
-
P0.0
P1.0
P2.0
P3.0
P4.0
-
FFH
FFH
FFH
FFH
XFH
00H
TF1
GATE
SCLE
TIMER / Counter
TF1
TF0
C/T
M1
P0.3
P1.3
P2.3
P3.3
P4.3
PWM1E
TR0
M0
IE1
GATE
IT1
C/T
IE0
M1
IT0
M0
TF2
EXF2
TCLK
EXEN2
TR2
CT2
T2OE
CPRL2
DCEN
00H
00H
00H
00H
00H
00H
00H
X0H
00H
00H
00H
00H
98H
99H
SM0
SM1
REN
TB8
RB8
TI
RI
00H
XXH
C0H
C1H
C2H
RXIF
TXIF
RXAK
MASTER
TXAK
TWSIFS2
TWSIFS1
C3H
C4H
C5H
Match
TWSITXD
TWSIRXD
TWSI bus status
TWSI address
TWSI control 1
TWSI Control 2
TWSI Transmit Data
TWSI Received Data
00H
A0H
01H
00H
FFH
00H
PCON
SCONF
Power Control register
System Control
87H
BFH
SMOD
IE
IE1
IFR
IP
IP1
Interrupt Enable
Interrupt Enable 1
Interrupt Flag 1
Interrupt Priority
Interrupt Priority 1
A8H
A9H
AAH
B8H
B9H
EA
RCON
Internal RAM Control
85H
I/O PORT
P0.5
P1.5
P2.5
P3.5
RCLK
UART
SM2
P
TWSI BUS
TFIF
NAKIF
TWSIE
Bus Busy
SRW
TWSIFS0
MRW
RESTART
Power and System
GF1
GF0
ISPE
PD
OME
IDLE
ALEI
00H
00H
ES0
ET1
EX1
EX0
PS0
PT1
PX1
ET0
ETWSI
TWSIIF
PT0
PTWSI
00H
00H
00H
00H
00H
RAMS1
RAMS0
00H
ISPF1
ISPF0
00H
00H
00H
00H
PBS
PBS
PFS1
PFS1
PFS0
PFS0
PWMD.2
PWMD.2
PWMD.1
PWMD.1
PWMD.0
PWMD.0
PDWUE
Interrupt system
ET2
PT2
PX0
Data Memory
ISP FLASH memory
ISPFAH
ISPFAL
ISPFD
ISPC
ISP Address high
ISP Address low
ISP Data
ISP Control
F4H
F5H
F6H
F7H
START
PWM output
PWMC0
PWMC1
PWMD0
PWMD1
PWM 0 Control
PWM 1 Control
PWM 0 Data
PWM 1 Data
D3H
D4H
B3H
B4H
PWMD.7
PWMD.7
PWMD.6
PWMD.6
PWMD.5
PWMD.5
PWMD.4
PWMD.4
PWMD.3
PWMD.3
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
9
00H
00H
00H
00H
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
1. Function Description
The SM5964A is a stand-alone high-performance microcontroller designed for using in ISP applications, such as LCD
monitor, instrumentation, or high-end consumer applications.
In addition to the 80C51 standard functions, the device provides a number of dedicated hardware functions for these
applications.
The SM5964A is a control-oriented CPU with on-chip program and data memory. It can be extended with external data
memory up to 64K bytes. For system requiring extra capability, the SM5964A can be enhanced by using external memory
and peripherals.
The SM5964A has two software selectable modes of saving power consumption：IDLE and POWER- DOWN. The IDLE
mode freezes the CPU while allowing the RAM, timer, serial ports and interrupt system to continue functioning. The
POWER-DOWN mode save the RAM contents but freezes the oscillator causing all other chip functions to be inoperative.
The POWER-DOWN mode can be terminated by H/W reset, or by any one of the two external interrupt.
CPU
The CPU of SM5964A is compatible to standard 80C51. The structure of this CPU is shown as FIGURE 12. It contains
Instruction Register (IR), Instruction Decoder, Program Counter (PC), Accumulator (ACC), B Register, and control logic.
This CPU provides a 8-bits bi-direction bus to communicate with other blocks in the chip. The address and data are
transferred through on the same 8-bits bus.
PROG.
ADDR.
IRQ
ACC
RES
CONTROL
LOGIC
Timing & Reset
PROGRAM
ADDR.REGISTER
TMP2
TMP1
CLK
BUFFER
CTRL.
BUS
INSTRUCTION
DECODER
PROGRAM
INCREMENT
ALU
SP
B
Register
INSTRUCTION
REGISTER
PROGRAM
COUNTER
PSW
DPTR
DATA
IN/OUT
PCON
POWER CTRL Signal
Figure 12 The CPU structure
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
10
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
CPU Timing
The machine cycle consists of a sequence of 6 states, numbered S1 through S6. Each state time lasts for two oscillator
periods. Thus a machine cycle takes 12 oscillator periods. Each state is divided into a PHASE1 half and a PHASE2 half.
FIGURE 13 shows relationships between oscillator, phase, and S1-S6.
PHASE
P1
P2
P1
P2
P1
P2
P1
P2
P1
P2
P1
P2
P1
P2
P1
OSC
(Xtal2)
SEQUENCE
S1
S2
S3
S4
S5
S6
S1
S2
Figure 13 Sequences and Phases
FIGURE 14 shows the fetch / execute sequences in states and phases for various kinds of instructions. Normally the program
fetches are generated during each machine cycle, even if the instruction being executed doesn’t require it. If the instruction
being executed doesn’t need more code bytes, the CPU simply ignores the extra fetch, and the PROGRAM COUNTER is
incremented accordingly.
Execution of a one-cycle instruction (FIGURE 14 A and B) begins during S1 of the machine cycle, when the OPCODE is
latched into INSTRUCTION REGISTER. A second fetch occurs during S4 of the same machine cycle. Execution is
completed at the end of S6 of this machine cycle.
The MOVX instructions take two machine cycles to execute. No program fetch is generated during the second cycle of a
MOVX instruction. This is the only time program fetches are skipped. The fetch/execute sequence for MOVX instructions is
shown in FIGURE 14 (D)
The fetch / execute sequences are the same whether the PROGRAM MEMORY is internal or external to the chip. Execution
times do not depend on whether the PROGRAM MEMORY is internal or external.
FIGURE 15 shows the signals and timing involved in program fetches when the program memory is external. If PROGRAM
MEMORY is external, the PROGRAM MEMORY READ STOBE (/PSEN) is normally activated twice per machine cycle, as
shown in FIGURE 15(A).
If an access external DATA MEMORY occurs, as shown in FIGURE 15(B), two (/PSEN) are SKIPPED, because the address
and data bus are being used for DATA MEMORY access.
Note that a DATA MEMORY bus cycle takes twice as much time as PROGRAM MEMORY bus cycle. FIGURE 15 shows
the relative time of the address begin emitted at PORT0 and PORT2, and of ALE and /PSEN. ALE is used to latch the low
address byte form PORT0 into the address latch.
When CPU is executing from internal PROGRAM MEMORY, /PSEN is not activated, and program address are not emitted.
However, ALE continues to be activated twice per machine cycle and so is available as clock output signal. Note, however,
that ALE is skipped during the execution of the MOVX instruction.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
11
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
A.) 1 byte, 1 Cycle Instruction
S1
S2
S3
S4
S5
S6
Read next OPCODE
Discard
Read OPCODE
S1
S2
Read next OPCODE
again
1 machine cycle
B.) 2 byte, 1 Cycle Instruction
S1
S2
S3
Read OPCODE
S4
S5
S6
Read 2’nd Byte
S1
S2
Read next OPCODE
1 machine cycle
C.) 1 byte, 2 Cycle Instruction
S1
S2
S3
S4
Read OPCODE
S5
S6
S1
S2
S6
S3
S4
S5
Read next OPCODE
(Discard)
1’st cycle
S1
S2
Read next
OPCODE
again
ACCESS external memory
ADDR
Read OPCODE
S5
2’nd cycle
D.) MOVX: 1 byte, 2 Cycle Instruction
S2
S4
Read next OPCODE (Discard)
1’st cycle
S1
S3
DATA
S6
S1
S2
S3
S4
S5
S6
No Fetch
No Fetch
S1
S2
Read next
OPCODE
Again
2’nd cycle
Figure 14 Timing of various instructions
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
12
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
A.) Without MOVX
One cycle
S1
S2
S3
S4
S5
S6
S1
One cycle
S3
S4
S2
S5
S6
S1
S2
ALE
/PSEN
/RD
P2
PCH OUT
PCL
OUT
P0
PCH OUT
INST.
IN
PCL
OUT
PCH OUT
INST.
IN
PCL
OUT
PCH OUT
INST.
IN
PCL
OUT
INST.
IN
PCL
OUT
B.) With MOVX
1’st cycle
S1
S2
S3
S4
2’nd cycle
S5
S6
S1
S2
S3
S4
S5
S6
S1
S2
ALE
/PSEN
/RD
P2
P0
P2 or DPH out
PCH OUT
PCL
OUT
INST.
IN
Addr.
OUT
Data.
IN
PCH OUT
PCL
OUT
INST.
IN
PCL
OUT
Figure15: Bus cycle in external program memory mode
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
13
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
2. Instruction Set
The SM5964A uses the powerful instruction set of 80C51. It consists of 49 single-byte, 42 two-byte, and 15 three- byte
instructions. Among them 63 instructions are executed in 1 machine-cycle, 46 instructions in 2 machine-cycles, and the
multiply, 2 instructions in 4 machine-cycles.
A summary of the instruction set is given in Table 4.
Addressing Mode
Notes on instruction set and address modes:
Rn
direct
@Ri
#data
#data16
addr11
rel
bit
Mnemonic
ADD
ADD
ADD
ADD
ADDC
ADDC
A,Rn
A,direct
A,@Ri
A,#data
A,Rn
A,direct
ADDC
ADDC
SUBB
SUBB
SUBB
SUBB
INC
INC
INC
INC
DEC
DEC
DEC
DEC
INC
MUL
DIV
A,@Ri
A,#data
A,Rn
A,direct
A,@Ri
A,#data
A
Rn
direct
@Ri
A
Rn
direct
@Ri
DPTR
AB
AB
DA
A
Register R7-R0 of the currently selected register bank.
8-bits internal data location’s address. This could be internal DATA RAM location (0-127) or a SFR [i.e.,
I/O port, control register, status register, etc. (128-255)]
8-bits RAM location addressed indirectly through register R1 or R0 of the actual register bank
8-bits constant included in the instruction
16-bits constant included in the instruction
11-bits destination address. Used by ACALL and AJMP. The branch can be anywhere within the same 2 K
bytes page of program memory as the first byte of the following instruction.
Signed (2’s complement) 8-bits offset byte. Used by SJMP and all conditional jumps. Range is -128 to
+127 bytes relative to first byte of the following instruction.
Direct addressed bit in internal data RAM or SFR
Table 4: A Summary of the instruction set
OPERATION
Arithmetic Instructions
A = A + Rn
A = A + direct
A = A + <@Ri>
A = A + #data
A = A + Rn + C
A = A + direct + C
A = A + @Ri + C
A = A + #data + C
A = A － Rn － C
A = A － direct － C
A = A － <@Ri> － C
A = A－#data － C
A=A+1
Rn = Rn + 1
direct = direct + 1
<@Ri> = <@Ri> + 1
A=A － 1
Rn = Rn － 1
direct = direct － 1
<@Ri> = <@Ri> － 1
DPTR = DPTR － 1
B:A = A × B
A = INT (A/B)
B = MOD (A/B)
Decimal adjust ACC
BYTE
CYCLE
1
2
1
2
1
2
1
1
1
1
1
1
1
2
1
2
1
2
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
4
1
1
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
14
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
ANL
ANL
ANL
ANL
ANL
ANL
ORL
ORL
ORL
ORL
ORL
ORL
XRL
XRL
XRL
XRL
XRL
XRL
CLR
CPL
RL
RLC
RR
RRC
SWAP
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOVC
MOVC
MOVX
MOVX
MOVX
MOVX
PUSH
POP
XCH
XCH
XCH
XCHD
A,Rn
A,direct
A,@Ri
A,#data
direct,A
direct,#data
A,Rn
A,direct
A,@Ri
A,#data
direct,A
direct,#data
A,Rn
A,direct
A,@Ri
A,#data
direct,A
direct,#data
A
A
A
A
A
A
A
A,Rn
A,direct
A,@Ri
A,#data
Rn,A
Rn,direct
Rn,#data
direct,A
direct,Rn
direct,direct
direct,@Ri
direct,#data
@Ri,A
@Ri,direct
@Ri,#data
DPTR,#data16
A,@A+DPTR
A,@A+PC
A,@Ri
A,@DPTR
@Ri,A
@DPTR,A
direct
direct
A,Rn
A,direct
A,@Ri
A,@Ri
Logical Instructions
A .AND. Rn
A .AND. direct
A .AND. <@Ri>
A .AND. #data
direct .AND. A
direct .AND. #data
A .OR. Rn
A .OR. direct
A .OR. <@Ri>
A .OR. #data
direct .OR. A
direct .OR. #data
A .XOR. Rn
A .XOR. direct
A .XOR. <@Ri>
A .XOR. #data
direct .XOR. A
direct .XOR. #data
A=0
A = /A
Rotate ACC Left 1 bit
Rotate Left through Carry
Rotate ACC Right 1 bit
Rotate Right through Carry
Swap Nibbles in A
Data Transfers Instructions
A = Rn
A = direct
A = <@Ri>
A = #data
Rn = A
Rn = direct
Rn = #data
direct = A
direct = Rn
direct = direct
direct = <@Ri>
direct = #data
<@Ri> = A
<@Ri> = direct
<@Ri> = #data
DPTR = #data16
A = code memory[A+DPTR]
A = code memory[A+PC]
A = external memory[Ri] (8-bits address)
A = external memory[DPTR] (16-bits address)
external memory[Ri] = A (8-bits address)
external memory[DPTR] = A (16-bits address)
INC SP: MOV “@’SP’, < direct >
MOV < direct >, “@SP”: DEC SP
ACC and < Rn > exchange data
ACC and < direct > exchange data
ACC and < Ri > exchange data
ACC and @Ri exchange low nibbles
1
2
1
2
2
3
1
2
1
2
2
3
1
2
1
2
2
3
1
1
1
1
1
1
1
1
2
1
2
1
2
2
2
2
3
2
2
1
2
2
3
1
1
1
1
1
1
2
2
1
2
1
1
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
15
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
2
2
1
1
2
1
2
2
2
2
2
2
2
2
2
1
1
1
1
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
CLR
CLR
SETB
SETB
CPL
CPL
ANL
ANL
ORL
ORL
MOV
MOV
JC
JNC
JB
JNB
JBC
ACALL
LCALL
RET
RETI
AJMP
LJMP
SJMP
JMP
JZ
JNZ
CJNE
CJNZ
CJNZ
CJNZ
DJNZ
DJNZ
NOP
C
bit
C
bit
C
bit
C,bit
C,/bit
C,bit
C,/bit
C,bit
bit,C
rel
rel
bit,rel
bit,rel
bit,rel
addr11
addr16
addr11
addr16
rel
@A+DPTR
rel
rel
A, direct,rel
A, #data,rel
Rn, #data,rel
@Ri, #data,rel
Rn,rel
direct,rel
Boolean Instructions
C=0
bit = 0
C=1
bit = 1
C = /C
bit = /bit
C = C .AND. bit
C = C .AND. /bit
C = C .OR. bit
C = C .OR. /bit
C = bit
bit = C
Jump if C= 1
Jump if C= 0
Jump if bit = 1
Jump if bit = 0
Jump if C = 1
Jump Instructions
Call Subroutine only at 2k bytes Address
Call Subroutine in max 64K bytes Address
Return from subroutine
Return from interrupt
Jump only at 2k bytes Address
Jump to max 64K bytes Address
Jump on at 256 bytes
Jump to A+ DPTR
Jump if A = 0
Jump if A ≠ 0
Jump if A ≠ < direct >
Jump if A ≠ < #data >
Jump if Rn ≠ < #data >
Jump if @Ri ≠ < #data >
Decrement and jump if Rn not zero
Decrement and jump if direct not zero
No Operation
1
2
1
2
1
2
2
2
2
2
2
2
2
2
3
3
3
2
3
1
1
2
3
2
1
2
2
3
3
3
3
2
3
1
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
16
1
1
1
1
1
1
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
3. Memory organization
The central processing unit (CPU) manipulates operands in three memory spaces; there are 1024 bytes internal data
memory (consisting of 256 bytes standard RAM and 768 bytes AUX-RAM) and 64K bytes internal/external program
memory (see FIGURE 16)
64K
64K
Overlapped space
Internal
FLASH
memory
/EA=1
External
FLASH
memory
02FF
/EA=0
XRAM
(OME=0)
DIRECT
(SFR)
INDIRECT
ONLY
XRAM
(OME=1)
0080
DIRECT AND
INDIRECT
0000
0000
0000
Program memory
Internal DATA memory
External
DATA memory
Figure 16 Memory organization of SM5964A
Program memory
The program memory of SM5964A consists of 64K bytes FLASH memory on chip. If during RESET, the /EA pin was held
HIGH, the SM5964A does not execute out of the internal program memory. If the /EA pin was held LOW during RESET the
SM5964A fetch all instructions from the external program memory. The FLASH memory of SM5964A can be programmed
during the program is running by using ISP. Normally, a Writer is used for programming. The feature of FLASH memory is
shown as following:
 READ:
byte-wise
 WRITE: byte-wise within 30us (previously erased by a chip erase).
 ERASE:
Full Erase (64K bytes) within 2 sec.
Erased bytes contain FFH
 Endurance :
10K erase and write cycles each byte at TA=25℃
 Retention : 10 years
Program Code Security
MOVC instruction executed from external program memory space will not be able to fetch internal codes from on chip program
memory after the chip is protected on the Writer.
Internal Data memory
The Data memory of SM5964A consists of 1024 bytes internal data memory (256 bytes standard RAM and 768 bytes
AUX-RAM). The AUX-RAM is enable by SCONF.1 ($BF.1), and read/write by MOVX
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
17
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Internal RAM Control Register (RCON, $85)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
RAMS1
Bit0
RAMS0
SM5964A has 768 byte on-chip RAM which can be accessed by external memory addressing method only. (By instruction
MOVX). The address space of instruction MOVX @Rn is determined by bit 1 and bit 0 (RAMS1, RAMS0) of RCON. The
default setting of RAMS1, RAMS0 bits is 00 (page0).
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
18
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
4. Pulse Width Modulation (PWM)
The PWM output pins are P1.2 and P1.3.
The PWM clock is {FOSC/ (2xDivider)}, the PWM output frequency is {(PWM clock)/32} at 5 bits resolution and {(PWM
clock)/256} at 8 bits resolution.
The PWM SFR has shown as below:
PWMC [0:1] ($D3H and $D4H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
PBS
Bit1
PFS1
Bit0
PFS0
Bit1
PWMD.1
Bit0
PWMD.0
PBS: when set, the PWM is 5 bits resolution.
PFS [1:0]: The PWM clock divider select.
PFS1
0
0
1
1
PFS0
0
1
0
1
PWM clock divider select
2
4
8
16
PWMD [0:1] ($B3H and $B4H)
Bit7
PWMD.7
Bit6
PWMD.6
Bit5
PWMD.5
Bit4
PWMD.4
Bit3
PWMD.3
Bit2
PWMD.2
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
19
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
5. Two-Wire Series Interface (TWSI)
The TWSI module uses the SCL (clock) and the SDA (data) line to communicate with external TWSI interface between
other TWSI parts. The speed can up to 400K bps (max.) by software setting the TWSIFS [2:0].
The TWSI module used SFR shown as below
TWSI Status Register:
TWSIS ($C0H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
RXIF
TXIF
TFIF
NAKIF
RXAK
MASTER
TXAK
RXIF: The data Receive Interrupt Flag (RXIF) is set after the TWSIRxD (TWSI Receive Data Buffer) is loaded with a newly
receive data.
TXIF: The data Transmit Interrupt Flag (TXIF) is set when the data of the TWSITxD (TWSI Transmit Data Buffer) is
downloaded to the shift register or the TWSIA is downloaded to the shift register at Master Transmit mode.
TFIF: The Transmit Fail Interrupt Flag is set when the data transmit fail.
NAKIF: The Non-acknowledge Interrupt Flag is only set in the master mode when there is no acknowledge bit detected after
one byte data or calling address is transferred.
RXAK: The Acknowledge Status indicate bit. When clear, it means an acknowledge signal has been received after the
complete 8 bits data transmit on the bus.
MASTER: This bit define this module is working at master mode.
TXAK: The Acknowledge status transmit bit. When received complete 8 bits data, this bit will set (NoAck) or clear (Ack)
and transmit to master to indicate the receive status.
TWSIA ($C1H)
Bit7
Bit6
Bit5
Bit4
Bit3
TWSIA.7
TWSIA.6
TWSIA.5
TWSIA.4
TWSIA.3
TWSIA [7:1]: TWSI Address registers 7 bits.
EXTADDR: Its only compare 4 bits MSB when set this bit.
Bit2
TWSIA.2
Bit1
TWSIA.1
Bit0
EXTADDR
TWSIC1 ($C2H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
TWSIE
BusBusy
TWSIFS2
TWSIFS1
TWSIFS0
TWSIE: enable TWSI module.
BusBusy: When start condition is detected, this bit will set. When stop condition is detected, this bit will clear.
TWSIFS [2:0]: The TWSI SCL speed divider select.
TWSIFS [2:0]
000
001
010
011
100
101
110
111
Speed
Xtal/32
Xtal/64(default)
Xtal/128
Xtal/256
Xtal/512
Xtal/1024
Xtal/2048
Xtal/4096
TWSIC2 ($C3H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
MATCH
SRW
RESTART
MRW
MATCH: When the first received data (following the START signal) in TWSIRxD register is matches with the address that
address register (TWSIA) set, this bit will set.
SRW: The slave mode read (received) or wrote (transmit) on the TWSI bus. When this bit is clear, the slave module received
data on the TWSI bus (SDA).
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
20
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
RESTART: This bit only set by master mode. The master will send a start signal then send TWSIA after the ACK signal
when this bit setting. If TFIF was set (the NonACK signal was received), the master mode will release, and this bit will
clear.
MRW: This bit is determined the data transmit direction. And this bit will transmit to bus as bit0 at Address (Address is
collection TWSIA [7:1] and MRW as 8 bits data). When clear this bit the master is in transmits mode and clear is in receive
mode.
TWSITXD ($C4)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
TWSITxD.7 TWSITxD.6 TWSITxD.5 TWSITxD.4 TWSITxD.3 TWSITxD.2 TWSITxD.1 TWSITxD.0
The data written into this register will be automatically downloaded to the shift register when the module
detects a calling address is matched and the bit 0 of the received data is one (Slave transmit mode) or when
the data in the shift register has been transmitted with received acknowledge bit (RXAK) =0 in transmit
mode.
TWSIRXD ( $C5)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
TWSIRxD.7 TWSIRxD.6 TWSIRxD.5 TWSIRxD.4 TWSIRxD.3 TWSIRxD.2 TWSIRxD.1 TWSIRxD.0
The TWSI Receive Data Buffer (TWSIRxD) contains the last received data when the MATCH flag is one or the calling
address from master when the MATCH flag is zero. The TWSIRxD register will be updated after a data byte is received and
the previous received data had been read out, otherwise the TWSI module will pull down to SCL line to inhabit the next data
transfer. It is a read-only register. The read operation of this register will clear the RXIF flag. After the RXIF flag is cleared,
the register can load the received data again and set the RXIF flag to generate interrupt request for reading the newly received
data.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
21
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
6. In-System Programming (ISP)
The SM5964A can generator flash control signal by internal hardware circuit. That only need to put the ISP service code
into ISP code area (4 Kbytes and divided by 8 zones)
The area is set by lock-bit (N), the lock-bit number and ISP code area relation ship shown as below:
Lock-bit number
1
2
3
4
5
6
7
8
ISP code area
512 bytes (from $FE00h to $FFFF)
1K bytes (from $FC00H to $FFFF)
1.5 K bytes (from $FA00H to $FFFF)
2 K bytes (from $F800H to $FFFF)
2.5 K bytes (from $F600H to $FFFF)
3 K bytes (from $F400H to $FFFF)
3.5 K bytes (from $F200H to $FFFF)
4 K bytes (from $F000H to $FFFF)
There are three ways to into ISP code area:
1. Blank reset: Hardware reset with first flash address blank ($0000H = #FFH).
2. Execute the “LJMP” instruction.
3. By hardware setting:
P2.6
P2.7
RST
10ms
10ms
Or
P4.3
RST
10ms
10ms
Suggest user use the ISP function must working on above 0℃ environment。
The ISP register:
ISPFAH ($F4H)
Bit7
Bit6
Bit5
Bit4
FA15
FA14
FA13
FA12
FA15 ~ FA8: flash address-high for ISP function
Bit3
FA11
Bit2
FA10
Bit1
FA9
Bit0
FA8
ISPFAL ($F5H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
FA7
FA6
FA5
FA4
FA3
FA2
FA1
FA0
FA7 ~ FA0: flash address-low for ISP function
The ISPFAH & ISPFAL provide the 16-bits flash memory address for ISP function. The flash memory address should not
include the ISP service program space address. If the flash memory address indicated by ISPFAH & ISPFAL registers overlay
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
22
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
with the ISP service program space address, the flash program/page erase of ISP function executed thereafter will have no
effect.
ISPFD ($F6H)
Bit7
Bit6
Bit5
Bit4
FD7
FD6
FD5
FD4
FD7 ~ FD0: flash data for ISP function
The ISPFD provide the 8-bits data for ISP function.
Bit3
FD3
Bit2
FD2
Bit1
FD1
Bit0
FD0
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
START
ISPF[1: 0]: ISP function select bit
START: ISP function start bit
= 1: start ISP function which indicated by bit 1, bit 0 (ISPF1, ISPF0)
= 0: no operation
Bit1
ISPF1
Bit0
ISPF0
ISPC ($F7H)
The START bit is read-only by default, software must write three specific values 55H, AAH and 55H sequentially to the
ISPFD register to enable the START bit write attribute. That is:
Ex：Open ISP function:
MOV ISPFD, #55H
MOV ISPFD, #0AAH
MOV ISPFD, #55H
Any attempt to set START bit will not be allowed without the procedure above.
After START bit set to 1 then the SM5964A hardware circuit will latch address and data bus and hold the program counter
until the START bit reset to 0 when ISP function finished. User does not need to check START bit status by software method
ISPF [1:0]
00
01
10
11
ISP function
Byte Program
Chip Protect
Page erase (512 Bytes)
Chip Erase
ISPF[1:0]: ISP function select bits
One page of flash memory is 512 bytes.
To perform byte program / page erase ISP function, user need to specify flash address at first. When performing page erase
function, SM5964A will erase entire page which flash address indicated by ISPFAH registers located within the page.
To perform chip erase ISP function, SM5964A will erase all the flash program memory and data flash memory except the ISP
service program space if lock bit N been configured. Also, SM5964A will un-protect the flash memory automatically. To
perform chip protect ISP function, all the flash memory will be read all zero.
e.g. ISP service program to do the byte program - to program data of #22H to the address of the $1005H
MOV ISPFD, #55H
MOV ISPFD, #0AAH
MOV ISPFD, #55H
MOV SCONF, #04H
MOV ISPFAH, #10H
MOV ISPFAL, #05H
MOV ISPFD, #22H
MOV ISPFC, #80H
; open ISP function
; enable SM5964A ISP function
; set flash address-high, 10H
; set flash address-low, 05H
; set flash data to be programmed, data = 22H
; start to program data of 22H to the flash address of the $1005H
; after byte program finished, START bit of ISPC will reset to 0 automatically
; program counter then point to the next instruction
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
23
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
7. The Power Down Wake Up (PDWU) function
The device can be put into Power Down mode by writing 1 to bit PCON.1. The instruction that does this will be the last
instruction to be executed before the device goes into Power Down mode. In the Power Down mode, all the clocks are
stopped and the device comes to a halt. All activity is completely stopped and the power consumption is reduced to the lowest
possible value. In this state the ALE and PSEN pins are pulled low. The port pins output the values held by their respective
SFRs.
PCON ($87H)
Bit7
Bit6
Bit5
Bit4
Bit3
SMOD
GF1
SMOD: This bit set to ‘1’ to make the UART baud-rate double.
GF1: General-purpose flag bit.
GF0: General-purpose flag bit.
PD: When set to ‘1’ , the MCU will into Power Down mode
IDLE: When set to ‘1’ , the MCU will into IDLE mode
Bit2
GF0
Bit1
PD
Bit0
IDLE
Bit3
Bit2
ISPE
Bit1
OME
Bit0
ALEI
Bit3
ET1
Bit2
EX1
Bit1
ET0
Bit0
EX0
Bit3
Bit2
Bit1
ETWSI
Bit0
Bit3
Bit2
Bit1
TWSIIF
Bit0
Bit3
IE1
Bit2
IT1
Bit1
IE0
Bit0
IT0
SCONF ($BFH)
Bit7
Bit6
Bit5
Bit4
PDWUE
PDWUE: When set to ‘1’, enable the PDWU function.
ISPE: When set to ‘1’, enable the ISP function.
IE ($A8H)
Bit7
Bit6
Bit5
Bit4
EA
ET2
ES0
EA: When set to ‘1’, enable interrupt global.
ET2: When set to ‘1’, enable Timer2 interrupt.
ES0: When set to ‘1’, enable UART interrupt.
ET1: When set to ‘1’, enable Timer1 interrupt.
EX1: When set to ‘1’, enable external interrupt 1.
ET0: When set to ‘1’, enable Timer0 interrupt.
EX0: When set to ‘1’, enable external interrupt 0.
IE1 ($A9H)
Bit7
Bit6
Bit5
Bit4
ETWSI: When set to ‘1’, enable the TWSI interrupt.
IFR ($AAH)
Bit7
Bit6
Bit5
Bit4
TWSIIF: When set to ‘1’, enable the TWSI interrupt flag.
TCON ($88H)
Bit7
Bit6
TF1
TR1
TF1: Timer 1 overflow flag.
TR1: Timer 1 run control bit.
TF0: Timer 0 overflow flag.
TR0: Timer 0 run control bit.
Bit5
TF0
Bit4
TR0
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
24
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
IE1: External Interrupt 1 edge flag.
IT1: Interrupt 1 type control bit.
IE0: External Interrupt 0 edge flag.
IT0: Interrupt 0 type control bit.
TMOD ($89H)
Bit7
Bit6
Bit5
Bit4
GATE
C/T
M1
M0
Note: High 4 bits are Timer1, Low 4 bits are Timer0.
Bit3
GATE
Bit2
C/T
Bit1
M1
Bit0
M0
GATE: Gating control when set. Timer/Counter “x” is enabled only while “INTx” pin is high and “TRx” control
pin is set. when cleared Timer “x” is enabled whenever “TRx” control bit is set.
C/T:
Timer or Counter Selector cleared for Timer operation (input from in=ternal system clock.) Set for Counter
operation (input from “Tx” input pin).
M1
0
M0
0
0
1
1
0
1
1
Mode OPERATING
0
13-bit Timer Mode.
8-bit Timer/Counter THz with TLx as 5-bit prescaler.
1
16-bit Timer Mode.
16-bit Timer/Counters THx and TLx are cascaded; there is no prescaler.
2
8-bit Auto Reload.
8-bit auto-reload Timer/Counter THx holds a value which is to be reloaded into TLx each time
it overflows.
3
Split Timer Mode
(Timer 0) TL0 is an 8-bit Timer/Counter controlled by the standard Timer 0 control bits. TH0
is an 8-bit timer only controlled by Timer 1 control bits.
(Timer 1) Timer/Counter 1 stopped.
IP ($B8H)
Bit7
Bit6
Bit5
PT2
Bit4
PS0
Bit3
PT1
Bit2
PX1
Bit1
PT0
Bit0
PX0
Bit5
Bit4
Bit3
Bit2
Bit1
PTWSI
Bit0
PT2: Timer2 interrupt priority.
PS0: UART interrupts priority.
PT1: Timer1 interrupt priority.
PX1: external interrupt 1 priority.
PT0: Timer0 interrupt priority.
PX0: external interrupt 0 priority.
IP1($B9H)
Bit7
Bit6
PTWSI: When set to ‘1’, enable the TWSI interrupt priority.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
25
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
The Priority structure and vector locations of interrupts:
Source
External interrupt 0
Timer 0 overflow
External interrupt 1
Timer 1 overflow
UART interrupt
Timer 2 overflow
TWSI
Flag
IE0
TF0
IE1
TF1
RI+TI
TF2+EXF2
RXIF+ TXIF+ TFIF+ NAKIF
Priority level
1(highest)
2
3
4
5
6
7
Vector Address
03H
0BH
13H
1BH
23H
2BH
3BH
T2MOD ($C9H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
T2OE
Bit0
DCEN
T2OE: Timer2 clock Output Enable bit. If set to 1, the Timer2 clock will output to P1.0.
DCEN: Down Count Enable. When set this bit then allows Timer2 to be configured as an up/down counter.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
26
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Application Reference
Valid for SM5964A
6MHz
9MHz
30 pF
30 pF
30 pF
30 pF
open
open
X'tal
C1
C2
R
3MHz
30 pF
30 pF
open
X'tal
C1
C2
R
Note:
16MHz
30 pF
30 pF
open
25MHz
15 pF
15 pF
open
33MHz
5 pF
5 pF
6.8KΩ
XI
12MHz
22 pF
22 pF
open
40MHz
2 pF
2 pF
4.7KΩ
X'tal
SM5964A
R
X2
C1
C2
Oscillation circuit may differs with different crystal or ceramic resonator in higher oscillation frequency which was due to each crystal or ceramic
resonator has its own characteristics. User should check with the crystal or ceramic resonator manufacturer for appropriate value of external components.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
27
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Operating Conditions
Symbol
TA(1)
VCC33
VCC5
Fosc 25
Fosc 40
Description
Min.
Operating temperature
Supply voltage
Supply voltage
Oscillator Frequency
Oscillator Frequency
Typ.
Max.
-40
3.0
25
3.3
85
3.6
℃
V
4.5
5.0
5.5
25
40
V
MHz
MHz
40
Unit.
Remarks
Ambient temperature under bias
For L Version
For C Version
For 3.3V and 5.0V application
For 5V application
DC Characteristic
VCC = 3.3V (10%), VSS=0V TA= -40℃ to +85℃
SYMBOL
VCC
PARAMETER
Supply Voltage
ICC
Supply current operating
IID
Supply current IDLE mode
IPD
Supply current Power-Down mode
VIL1
VIL2
VIH1
VIH2
IIL2
ITL
ILI
ISK1
ISK2
ISR1
ISR1
Input LOW voltage, Port 0,1,2,3,4,/EA
Input LOW voltage, RES, XTAL1
Input HIGH voltage, Port 0,1,2,3,4,EA
Input HIGH voltage, RES, XTAL1
Input current LOW level Port 1,2,3,4 ( except
P1.6,P1.7 )
Input current LOW level Port 0,P1.6,P1.7
Transition current High to Low Port 1,2,3,4
Input leakage current Port 0,#EA
Sink Current Port 1, 2, 3, 4
Sink Current Port 0,ALE, /PSEN
Source Current Port 1, 2, 3, 4
Source Current Port 0,ALE, /PSEN
VOL1
VOL2
Output LOW voltage, Port 0,ALE, /PSEN
Output LOW voltage, Port 1, 2, 3, 4
VOH1
Output High voltage Port0 ALE, /PSEN
VOH2
Output High voltage Port 1,2,3,4
RRST
CIO
Internal RESET pull-down resistor
Pin capacitance
IIL1
TEST
CONDITIONS
LIMITS
MIN
MAX
3.0
3.6
See notes 1
fCLK = 12MHz VCC = 3.6V
See note 2
fCLK = 12MHz VCC = 3.6V
See note 3
2V < VPC < VCCmax
INPUT
-0.5
0
2.0
70% VCC
VIN = 0.45V
VIN = 0.45V
VIN = 1.5 V
0.45V < VIN < VCC
VCC = 3.3V, VIN = 0.4 V
VCC = 3.3V, VIN = 0.4 V
VCC = 3.3V, VIN = 2.4 V
VCC = 3.3V, VIN = 2.4 V
OUTPUT
IOL = 3.2mA，VCC=3.3V
IOL = 1.6mA，VCC=3.3V
IOH = -300uA，VCC=3.3V
IOH = -30uA，VCC=3.3V
IOH = -20A，VCC=3.3V
IOH = -5uA，VCC=3.3V
VCC=3.6V
Test freq=1MHz, TA=25℃
3
4
-40
-4
UNIT
V
10
mA
5
mA
20
A
0.8
0.8
Vcc+0.2
Vcc+0.2
V
V
V
V
-50
A
-650
-650
10
6
8
-80
-8
A
A
A
mA
mA
uA
mA
0.4
0.4
2.4
90%Vcc
2.4
90%Vcc
50
300
10
V
V
V
V
V
V
k
pF
(1) When User use the ISP function，suggest working on above 0℃ environment。
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
28
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
VCC = 5.0V (10%), VSS=0V TA= -40℃ to +85℃
SYMBOL
VCC
PARAMETER
Supply Voltage
ICC
Supply current operating
IID
Supply current IDLE mode
IPD
Supply current Power-Down mode
VIL1
VIL2
VIH1
VIH2
IIL2
ITL
ILI
ISK1
ISK2
ISR1
ISR1
Input LOW voltage, Port 0,1,2,3,4,/EA
Input LOW voltage, RES, XTAL1
Input HIGH voltage, Port 0,1,2,3,4,EA
Input HIGH voltage, RES, XTAL1
Input current LOW level Port 1,2,3,4 ( except
P1.6,P1.7 )
Input current LOW level Port 0,P1.6,P1.7
Transition current High to Low Port 1,2,3,4
Input leakage current Port 0,#EA
Sink Current Port 1, 2, 3, 4
Sink Current Port 0,ALE, /PSEN
Source Current Port 1, 2, 3, 4
Source Current Port 0,ALE, /PSEN
VOL1
VOL2
Output LOW voltage, Port 0,ALE, /PSEN
Output LOW voltage, Port 1, 2, 3, 4
VOH1
Output High voltage Port0 ALE, /PSEN
VOH2
Output High voltage Port 1,2,3,4
RRST
CIO
Internal RESET pull-down resistor
Pin capacitance
IIL1
TEST
CONDITIONS
LIMITS
MIN
MAX
4.5
5.5
See notes 1
fCLK = 16MHz VCC = 5.0V
See note 2
fCLK = 16MHz VCC = 5.0V
See note 3
2V < VPC < VCCmax
INPUT
-0.5
0
2.0
70%Vcc
VIN = 0.45V
VIN = 0.45V
VIN = 2.0 V
0.45V < VIN < VCC
VCC = 5.0V, VIN = 0.4 V
VCC = 5.0V, VIN = 0.4 V
VCC = 5.0V, VIN = 2.4 V
VCC = 5.0V, VIN = 2.4 V
OUTPUT
IOL = 3.2mA，VCC=5.0V
IOL = 1.6mA，VCC=5.0V
IOH = -800uA，VCC=5.0V
IOH = -80uA，VCC=5.0V
IOH = -60A，VCC=5.0V
IOH = -10A，VCC=5.0V
VCC=5.0V
Test freq=1MHz, TA=25℃
4
10
-150
-10
V
20
mA
6.5
mA
50
A
0.8
0.8
Vcc+0.2
Vcc+0.2
V
V
V
V
-75
A
-650
-650
10
8
15
-200
-15
A
A
A
mA
mA
uA
mA
0.4
0.4
2.4
90%Vcc
2.4
90%Vcc
50
UNIT
300
10
V
V
V
V
V
V
k
pF
NOTES FOR DC ELECTRICAL CHARACTERISTICS
1.
The operating supply current is measured with all output disconnected;
XTAL1 driven with tr = tf = 5ns; VIL = VSS+0.5V; VIH=VCC-0.5V; XTAL2 not connect;/EA=RST=Port0=VDD;
2.
The IDLE MODE supply current is measured with all output pins disconnected;
XTAL1 driven with tr = tf = 5ns; VIL = VSS+0.5V; VIH=VCC-0.5V; XTAL2 not connect;/EA= Port0=VDD;
3.
The POWER-DOWN MODE supply current is measured with all output pins disconnected;
VIL = VSS+0.5V; VIH=VCC-0.5V; XTAL2 not connect; /EA= Port0=VDD;
4.
Port 1, 2, 3, and 4 sources a transition current when they are being externally driven from HIGH to LOW. The transition current reaches its
maximum value when VIN is approximately 2V.
5.
Capacities loading on port 0 and 2 may cause spurious noise to be superimposed on VOL of ALE and port 1, 3, and 4. The noise is due to external
bus capacitance discharging into port 0 and port 2 pins when these pins make 1-to-0 transitions during bus operations. In the worst cases
(capacities loading > 100pF), the noise pulse on the ALE pin may exceed 0.8V. In such cases, it may be desirable to qualify ALE with a Schmitt
Trigger, or use an address latch with a Schmitt trigger STROBE input.
6.
Under steady state (non-transient) conditions, IOL must be externally
Limited as follows:
Maximum IOL per pin (use sign pin only) : 10mA
Maximum IOL per 8-bit port :
port 0 : 26mA
port 1,2,3 : 15mA
Maximum total IOL for all output pins : 71mA
If IOL exceeds the condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test conditions.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
29
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
AC Characteristic
tclk min = 1/ fmax(maximum operating frequency)
TA=0℃ to +70℃
CL=100pF for Port0, ALE and /PSEN; CL=80pF for all other outputs unless otherwise specified.
Symbol
tCLK
tCLKH
tCLKL
tCLKR
tCLKF
tCYC
FIGURE
4
4
4
4
4
4
PARAMETER
External Clock drive into XTAL1
Xtal1 Period
Xtal1 HIGH time
Xtal1 LOW time
XTAL1 rise time
XTAL1 fall time
Controller cycle time = tCLK / 12
MIN
40(1)
20
20
3.33
MAX
10
10
-
UNIT
ns
ns
ns
ns
ns
ns
NOTES :
1.
Operating is 25MHz.
Symbol
FIGURE
1/tCLK
tLHLL
tAVLL
tLLAX
tLLIV
tLLPL
tPLPH
tPLIV
tPXIX
tPXIZ
tAVIV
tPLAZ
7
7
7
7
7
7
7
7
7
7
7
7
tAVLL
tLLAX
tRLRH
tWLWH
tRLDV
tRHDX
tRHDZ
tLLDV
tAVDV
tLLWL
tAVWL
tQVWX
tQVWH
tWHQX
tRLAZ
tWHLH
8,9
8,9
8
9
8
8
8
8
8
8,9
8,9
9
9
9
8
8,9
tXLXL
tQVXH
tXHQX
tXHDX
tXHDV
10
10
10
10
10
PARAMETER
Program Memory
System clock frequency
ALE pulse width
Address valid to ALE low
Address hold after ALE low
ALE LOW to valid instruction in
ALE LOW to /PSEN LOW
/PSEN pulse width
/PSEN LOW to valid instruction in
Input instruction hold after /PSEN
Input instruction float after /PSEN
Address to valid instruction in
/PSEN low to address float
Data Memory
Address valid to ALE LOW
Address hold after ALE LOW
/RD pulse width
/WR pulse width
/RD LOW to valid data in
Data hold after /RD
Data float after /RD
ALE LOW to valid data in
Address to valid data in
ALE LOW to /RD or /WR LOW
Address valid to /WR or /RD LOW
Data valid to /WR transition
Data before /WR
Data hold after /WR
/RD LOW to address float
/RD or /WR HIGH to ALE HIGH
UART
Serial port clock time
Output data setup to clock rising edge
Output data hold after clock rising edge
Input data hold after clock rising edge
Clock rising edge to input data valid
MIN
3.0
2tCLK-40
tCLK-40
tCLK-30
MAX
25
4tCLK-100
tCLK-30
3tCLK-45
3tCLK-105
0
tCLK -25
5tCLK-105
10
tCLK-40
tCLK-35
6tCLK-100
6tCLK-100
0
tCLK+40
10tCLK-133
ns
ns
ns
ns
ns
5tCLK-165
tCLK-40
2tCLK-70
8tCLK-150
9tCLK-165
3tCLK+50
12tCLK
10tCLK-133
2tCLK-117
0
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
30
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
0
3tCLK-50
4tCLK-130
tCLK-50
7tCLK-150
tCLK-50
UNIT
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
Figure 4 External Clock Drive waveform
Figure 5 AC Testing Input/Output
Figure 6 AC Testing, Floating Waveform
t LHLL
ALE
t LLPL
t PLPH
t AVLL
t PLIV
/PSEN
t PLAZ
t LLAX
t PXIZ
t LLIV
t PXIX
A0-A7
PORT0
INSTR IN
A0-A7
t AVIV
PORT2
A8-A15
A8-A15
A8-A15
Figure 7 External Program Memory Read Cycle
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
31
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
ALE
t WHLH
/PSEN
t LLDV
t LLWL
t RLRH
/RD
t AVLL
t RLDV
t LLAX
PORT0
t RHDZ
t RLAZ
t RHDX
DATA IN
A0 - A7 (RI or DPL)
A0 - A7 (PCL)
INSTR IN
t AVDV
t AVWL
A8 - A15 of DPH or PORT2
PORT2
A8 - A15 (PCH)
Figure 8 external memory read cycle
ALE
tWHLH
/PSEN
tLLWL
tWLWH
/WR
tQVWH
tAVLL
PORT0
tLLAX
tQVWX
tWHQX
DATA OUT
A0 - A7 (RI or DPL)
A0 - A7 (PCL)
INSTR IN
tAVWL
PORT2
A8 - A15 of DPH or PORT2
A8 - A15 (PCH)
Figure 9 external memory write cycle
nstruction
0
1
2
3
4
5
6
7
8
ALE
tXLXL
CLOCK
tQVXH
TXD
tXHQX
0
1
tXHDV
RxD
VALID
2
3
4
5
6
tXHDX
VALID
7
Set_R
VALID
VALID
VALID
VALID
VALID
VALID
Figure 10 UART waveform in Shift Register MODE
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
32
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
STOP condition
START or repeat START condition
tRD
repeat START condition
tSU;STA
tHD;DAT
tBUF
tSP
START
tSU;STO
SCL
tSU;DAT3
tSU;DAT1
tSU;DAT2
tSU;DAT
Figure 11 Timing waveform of TWSI interface
Symbol
FIGURE
PARAMETER
Standard-MODE
Fast-MODE
MIN
MAX
MIN
MAX
UNIT
TWSI Bus
fSCL
11
SCL clock frequency
0
100
0
400
kHz
tBUF
11
4.7
-
1.3
-
S
tHD;STA
11
4.0
-
0.6
-
S
tLOW
11
Bus free time between a stop and stop condition
Hold time (repeated) START condition. After this
period, the first clock pulse is generated
Low Period of the SCL clock
4.7
-
1.3
-
S
tHIGH
11
High period of the SCL clock
4.7
-
1.3
-
S
tSU;STA
11
Set-up time of a repeated START condition
4.0
-
0.6
0
S
tHD;DAT
11
Data hold time
0
-
0
0.9
S
tSU;DAT
11
Data Setup-Time
250
-
(1)
100
-
nS
(2)
tRD,tRC
11
Rise time of both SDA and SCL
-
1000
20+0.1Cb
300
ns
tFD tFC
tSU;STO
tSU;STA
Cb
11
Fall time of both SDA and SCL
-
300
20+0.1Cb(2)
300
ns
11
Set-up time for STOP and START condition
4.0
-
0.6
-
S
11
-
400
-
400
pF
tSP
11
Capacitive load for each bus line
Pulse width of spikes which must be suppressed by
input filter
-
-
0
50
nS
NOTES:
1.
A fast-mode TWSI bus device can be used in a standard-mode TWSI bus system, but the requirement tSU;DAT  250ns must the be met.
This will automatically be the case if the device does not stretch the LOW period of the SCL signal. If such a device does stretch the
LOW period of the SCL signal, it must output the next data bit to SDA line tRMAX + tSU;DAT = 1000 + 250 = 1250 ns (according to the
standard-mode TWSI bus specification) before the SCL line is released.
2.
Cb = Total capacitance of one bus line in pF.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
33
03/2013
SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI&PWM & 1KB RAM embedded
MCU writer list
Company
Contact info
Tel:02-22182325
Fax:02-22182435
E-mail:
[email protected]
Programmer Model Number
Lab Tool - 48XP/UXP
Lab Tool – 848/848XP
Hi-Lo
4F.,No.18,Lane 79,Rueiguang
Rd.,Neihu,Taipei,Taiwan R.O.C.
Web site:
http://www.hilosystems.com.tw
Tel: 02-87923301
Fax:02-87923285
E-mail:
[email protected]
All - 100 series
Leap
6th F1-4, Lane 609,
Chunghsin Rd., Sec. 5, Sanchung,
Taiwan, ROC
Web site:
http://www.leap.com.tw
Tel: 886-2-29991860
Fax:02-29990015
E-mail:
[email protected]
Leap-48
Xeltek Electronic Co., Ltd
Bldg 6-31 Meizhiguo garden, #2 Jiangjun
Ave., Jiangning, Nanjing, China
211100
Web site:
http://www.xeltek-cn.com
Tel: + 86-25-52765201,
E-mail:
[email protected]
[email protected]
Superpro 280U
Superpro 580U
Superpro 3000U
Superpro 9000U
Guangzhou Zhiyuan Electronic Co.,Ltd
Floor 2,No.7 building,Huangzhou Industrial
Estate,Chebei Road,Tianhe
district,Guangzhou,China 510660
Web site:
http://www.embedtools.com/
TEL: +86-20-28872449
E-mail:
[email protected]
SmartPRO 5000U/X8
TianJin Weilei technology ltd
Rm 357,Venturetech Center,12 Keyan West
Road Nankai District,Tianjin,P.R.C, 300192
Web site:
http://www.weilei.com.cn/
TEL: + 86-22-87891218#801
E-mail:
[email protected]
[email protected]
VP-890;VP-980;VP-880;VP-680
VP-480;VP-380;VP-280;VP-190
GuangZhou Chang Xingjinggong
Technology Development Co ., Ltd.
Room 102 , No.167 , CuiJing street ,
ChangXing road , TianHe district ,
GuangZhou.
Web site:
http://www.top2048.com/
TEL: + 86-20-61391469
E-mail:
[email protected]
TOP-2007
Advantech
7F, No.98, Ming-Chung Rd., Shin-Tien City,
Taipei, Taiwan, ROC
Web site:
http://www.aec.com.tw
Taipei ,
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M020 Ver:F SM5964A
34
03/2013