V850E/CA4 HELIOS 32 - Renesas Electronics

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD70(F)3175
V850E/CA4TM HELIOS
32- bit RISC Microcontroller
DESCRIPTION
The V850E/CA4 Helios microcontroller is a member of NEC's V850 32-bit RISC family, which match
the performance gains attainable with RISC-based controllers to the needs of embedded control
applications. The V850 CPU offers easy pipeline handling and programming, resulting in compact
code size comparable to 16-bit CISC CPUs.
The V850E/CA4 Helios offers an excellent combination of general purpose peripheral functions, like
serial communication interfaces (UART, clocked SI) and measurement inputs (A/D converter), with
dedicated CAN network support.
The device offers power-saving modes to manage the power consumption effectively under varying
conditions.Thus equipped, the V850E/CA4 Helios is ideally suited for automotive applications, like
Airbags. It is also an excellent choice for other applications where a combination of sophisticated
peripheral functions and CAN network support is required.
Functions in detail are described in the following user’s manuals. Be sure to read these
manuals when you design your systems.
<V850E/CA4 User Manual>
<V850E Architecture Manual>
: <U16241EE1V0UM00>
: <U10243EJ6V0UM00>
FEATURES
•
•
•
•
•
•
32-bit RISC CPU with Harvard Architecture
Full-CAN Interface:
2 channels
Serial Interfaces:
5 channels
- 3-wire mode:
3 channels
- UART mode:
2 channels
Timers:
6 channels
- 16-bit multi purpose
timer/event counter:
2 channels
- 16-bit multi purpose timer:
2 channels
- Watch timer:
1 channel
- Watchdog timer:
1 channel
10-bit resolution A/D Converter:
14 channels
I/O lines: 76
•
•
•
•
•
•
Power supply voltage range:
- +4.5 V ≤ VDD ≤ +5.5 V
Frequency range: up to 32 MHz
Built-in low power saving mode
Built-in clock oscillator circuit with internal PLL
Temperature range:
- -40 °C to +85 °C
(µPD70F3175(A),
µPD703175(A)-32/24,
µPD703176(A)-32/24)
Package:
- 100 LQFP, 0.5 mm pin-pitch (14 × 14 mm)
ORDERING INFORMATION
Device
Part Number
Package
µPD70F3175(A)-32
V850E/CA4
LQFP100
µPD703175(A)-32/24
14 × 14 mm
µPD703176(A)-32/24
ROM
RAM
FCAN option
Oper. Frequency
256 K
12 K
2 Channels
-40°C ~ +85°C
256 K
12 K
2 Channels
-40°C ~ +85°C
192 K
10 K
2 Channels
-40°C ~ +85°C
The information contained in this document is released in advance of the production cycle for the device. The
parameters for the device may change before final production, or NEC Corporation may, at its own discretion, withdraw the device prior to production.
 NEC Corporation 2003
Document No. U16242EE1V0DS00
Data Published: July 2003
µPD70(F)3175
INTERNAL BLOCK DIAGRAM
NMI
INTP00 to INTP02
INTP10, INTP15
INTP20, INTP25
INTP30, INTP32,
INTP34
TIG00 to TIG05
TOG01 to TOG04
TIG10 to TIG15
TOG11 to TOG14
Interrupt
Controller
16-bit Timer
TMG0
16-bit Timer
TMG1
16-bit Timer
TMD0
CPU
ROM
256 K
(Flash
& Mask)
or 192 K
(Mask)
B VDD0
B VSS0
B VDD1
PC
Multiplier
32 x 32 = 64
32-bit Barrel
Shifter
B VSS2
VPP (Flash only)
System
Registers
RAM
A
L
U
General
Registers
32-bit x 32
12 K
(Flash
& Mask)
or 10 K
(Mask)
Voltage
Regulator
Voltage
Regulator
DMA
16-bit Timer
TMD1
B VSS1
B VDD2
V DD0
V SS0
V SS1
REGC_M0
REGC_M1
CVDD
CVSS
REGC_0
Watch
Timer
Watchdog
Timer
PCL
NPB
Bus
bridge
Internal Peripheral Bus
PLLDIV
RXD60
UART60
TXD60
10-bit ADC
14 channels
Ports
RXD61
SI01
SO01
SCK01
CSI01
SI10
SO10
SCK10
CSI10
FCRXD0
FCTXD0
FCRXD1
AVREF
AVSS
AVDD
CSI00
ANI0-ANI13
SI00
SO00
SCK00
PDH0-PDH8
PDL0-PDL15
UART61
P00-P02
P10-P15
P20-P25
P30-P35
P40-P45
P70-P713
PCD2-PCD3
PCM0-PCM3
PCT0,1,4,6
TXD61
Oscillator and
Clock Generator
System Control
X1
X2
MODE1
MODE0
RESET
BRG0
Note
FCAN1
Note
FCAN2
FCTXD1
Note: The CAN macro of this device fulfils the requirements according ISO 11898. Additionally the
CAN macro was tested according to the test procedures required by ISO 16845. The CAN
macro successfully passed all test patterns. Beyond these test patterns, other tests like
robustness tests and processor interface tests as recommended by C&S/FH Wolfenbuettel
have successfully been issued.
2
Data Sheet U16242EE1V0DS00
µPD70(F)3175
PIN IDENTIFICATION
ANI0 to ANI13
Analog Inputs
TOG01 to TOG04
Timer G0 Compare Output
AVDD
Analog Power Supply
TOG11 to TOG14
Timer G1 Compare Output
AVSS
Analog Ground
TIG00 to TIG05
Timer G0 Capture Input
AVREF
Analog reference Voltage supply
TIG10 to TIG15
Timer G1 Capture Input
PCL
Processor Clock Output
REGC_M0,
REGC_M1
Main Regulator Output
FCRXD0,
FCRXD1
CAN Receive Data for channel
0 and 1
REGC_O
Osc and PLL Regulator Output
FCTXD0,
FCTXD1
CAN Transmit Data for channel
0 and 1
MODE0, MODE1
Operation mode select
INTP00, INTP01,
INTP02, INTP10,
INTP15, INPT20,
INTP25, INTP30,
INTP32, INTP34
External Interrupt Input
X1, X2
Main System Clock
NMI
Non-Maskable Interrupt Input
RESET
Reset Input
P00 to P02
Port 0
CVDD, CVSS
Oscillator and PLL power supply
P10 to P15
Port 1
VDD0
Digital power supply for Flash, CPU
and I/O buffer
P20 to P25
Port 2
VSS0, VSS1
Digital Ground for Flash, CPU and
I/O buffer
P30 to P35
Port 3
BVSS0 to BVSS2
I/O buffers Ground
P40 to P45
Port 4
BVDD0 to BVDD2
I/O buffers supply
P70 to P713
Port 7
VPP
Programming Voltage
PCM0 to PCM3
Port CM
PCT0, PCT1,
PCT4, PCT6
Port CT
PCD2 to PCD3
Port CD
PDL0 to PDL15
Port DL
PDH0 to PDH8
Port DH
RXD60, RXD61
UART Receive Data
TXD60, TXD61
UART Transmission Data
SCK00, SCK01,
SCK10
Synchronous Interface Clock
SI00, SI01, SI10
Synchronous Interface Input
SO00, SO01,
SO10
Synchronous Interface Output
Data Sheet U16242EE1V0DS00
3
µPD70(F)3175
PIN CONFIGURATION
•
100-Pin Plastic LQFP (0.5 mm pin pitch) (14 × 14 mm)
• µPD70F3175(A)-32
• µPD703175(A)-32/24
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
P70/ANI0
P71/ANI1
P72/ANI2
P73/ANI3
P74/ANI4
P75/ANI5
P76/ANI6
P77/ANI7
P78/ANI8
P79/ANI9
P710/ANI10
P711/ANI11
P712/ANI12
P713/ANI13
PCM3
REGC_M0
VDD0
VSS0
BVSS2
BVDD2
PCM2
PCM1
PCM0
PCD3
PCD2
• µPD703176(A)-32/24
P23/TIG13/TOG13
P24/TIG14/TOG14
P25/TIG15/INTP25
P00/FCRXD1/INTP00
P01/FCTXD1/INTP01
75
74
73
72
71
70
18
19
20
21
22
23
24
25
58
57
56
55
54
53
52
51
NMI
P32/RXD61/INTP32
P33/TXD61
P34/FCRXD0/INTP34
P35/FCTXD0
PDL0
PDL1
PDL2
PDL3
PDL4
PDL5
PDL6
PDL7
P31/TXD60
P40/SI00
P41/SO00
P42/SCK00
P43/SI01
P44/SO01
P45/SCK01
P02/PCL/INTP02
REGC_M1
VSS1
BVSS0
BVDD0
4
69
68
67
66
65
64
63
62
61
60
59
V850E/CA4 "HELIOS"
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
P30/RXD60/INTP30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
48
49
50
AVREF
AVDD
AVSS
P10/TIG00/INTP10
P11/TIG01/TOG01
P12/TIG02/TOG02
P13/TIG03/TOG03/SI10
P14/TIG04/TOG04/SO10
P15/TIG05/INTP15/SCK10
REGC_0
CVDD
CVSS
X1
X2
RESET
MODE0
P20/TIG10/INTP20
P21/TIG11/TOG11
P22/TIG12/TOG12
Data Sheet U16242EE1V0DS00
PCT6
PCT4
PCT1
PCT0
PDH8
PDH7
PDH6
PDH5
PDH4
PDH3
PDH2
BVDD1
BVSS1
VPP
MODE1
PDH1
PDH0
PDL15
PDL14
PDL13
PDL12
PDL11
PDL10
PDL9
PDL8
µPD70(F)3175
Table of Contents
1.
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.1
1.2
1.3
1.4
2.
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
I/O Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Port Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Non-port Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Programming Flash Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1
3.2
3.3
3.4
3.5
3.6
3.7
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1.1
Flash version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1.2
Mask version. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
General Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.2.1
Oscillator Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.2.2
PLL Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.2.3
I/O Capacitances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.5.1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.5.2
Oscillator Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.5.3
Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.5.4
RESET (power up/down sequence) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.5.5
Standby Mode Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.5.6
Interrupt Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Peripheral Function Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.6.1
Timer G. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.6.2
CSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.6.3
UART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.6.4
FCAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.6.5
A/D Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Flash EPROM Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.
Package Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Data Sheet U16242EE1V0DS00
5
µPD70(F)3175
List of Figures
Figure 1-1:
Figure 1-2:
Figure 3-1:
Figure 3-2:
Figure 3-3:
Figure 3-4:
Figure 3-5:
Figure 3-6:
Figure 3-7:
Figure 3-8:
Figure 4-1:
6
Input / Output Circuits.................................................................................................. 12
Power Supply Connection ........................................................................................... 17
AC Test Input Waveform, AC Test Load Condition ..................................................... 24
Oscillator Recommendations....................................................................................... 24
Reset Timing ............................................................................................................... 25
Interrupt Timing ........................................................................................................... 26
Timer G Characteristics............................................................................................... 27
CSI Slave Mode Characteristics.................................................................................. 28
VDD0 Setup / Hold Time for VPP Terminal ................................................................... 31
Flash EPROM Serial Programming Operation Characteristics ................................... 31
Package Drawing ........................................................................................................ 32
Data Sheet U16242EE1V0DS00
µPD70(F)3175
List of Tables
Table 1-1:
Table 1-2:
Table 1-3:
Table 3-1:
Table 3-2:
Table 3-3:
Table 3-4:
Table 3-5:
Table 3-6:
Table 3-7:
Table 3-8:
Table 3-9:
Table 3-10:
Table 3-11:
Table 3-12:
Table 3-13:
Table 3-14:
Table 3-15:
Table 3-16:
Table 3-17:
Table 3-18:
Table 3-19:
Table 3-20:
Pin Functions.................................................................................................................... 8
Port Functions ................................................................................................................ 13
Non-Port Functions......................................................................................................... 16
Absolute Maximum Ratings............................................................................................ 19
Absolute Maximum Ratings............................................................................................ 20
Oscillator Characteristics................................................................................................ 21
PLL Characteristics ........................................................................................................ 21
I/O Capacitances ............................................................................................................ 21
Operating Conditions...................................................................................................... 22
DC Characteristics.......................................................................................................... 22
Power Supply Currents................................................................................................... 23
Clock AC Characteristics................................................................................................ 25
Reset Timing .................................................................................................................. 25
Standby Mode Timing..................................................................................................... 25
Interrupt Timing .............................................................................................................. 26
Timer G Characteristics.................................................................................................. 27
CSI Master Mode Characteristics................................................................................... 28
CSI Slave Mode Characteristics..................................................................................... 28
UART Characteristics ..................................................................................................... 29
FCAN Characteristics ..................................................................................................... 29
A/D Converter Characteristics ........................................................................................ 29
Flash EPROM Programming Characteristics Basic Specification .................................. 30
Flash EPROM Serial Programming Operation Characteristics ...................................... 30
Data Sheet U16242EE1V0DS00
7
µPD70(F)3175
1.
Pin Functions
1.1 Pin Functions
Table 1-1:
Pin Functions (1/4)
Pin
No.
Name
Function
Default
Alternate
I/O
Driver
Type
1
AVREF
Reference-Voltage supply pin for A/D
converter
-
-
-
2
AVDD
Power supply pin for A/D converter
-
-
-
3
AVSS
Ground potential for A/D converter
-
-
-
4
P10/TIG00/
INTP10
Timer G0 Capture Trigger 0
External interrupt input INTP10
I/O
5
P11/TIG01/TOG01
Timer G0 Capture Trigger 0
Timer G0 Compare Output 0
I/O
6
P12/TIG02/TOG02
Timer G0 Capture Trigger 0
Timer G0 Compare Output 0
I/O
7
P13/TIG03/
TOG03/SI10
Timer G0 Capture Trigger 0
Timer G0 Compare Output 0
CSI1 channel 0 serial data input
I/O
8
P14/TIG04/
TOG04/SO10
Timer G0 Capture Trigger 0
Timer G0 Compare Output 0
CSI1 channel 0 serial data output
I/O
9
P15/TIG05/
INTP15/SCK10
Timer G0 Capture Trigger 0
External interrupt input INTP15
CSI1 channel 0 serial clock input
I/O
Port 1:
6-bit input/output port
5-K
10 REGC_O
Pin for external 3.3 V Regulating
Capacitor
-
-
-
11 CVDD
Power supply pin for oscillator and PLL
-
-
-
12 CVSS
Ground potential pin for oscillator and
PLL
-
-
-
13 X1
Resonator connection for clock
-
-
-
14 X2
Resonator connection for clock
-
-
-
15 RESET
External System reset input
-
-
2
16 MODE0
MODE Definition Input pins
-
I
2
8
Data Sheet U16242EE1V0DS00
µPD70(F)3175
Table 1-1:
Pin Functions (2/4)
Pin
No.
Name
Function
Default
P20/TIG10/
INTP20
Alternate
I/O
Timer G1 Capture Trigger 0
External interrupt input INTP20
I/O
18 P21/TIG11/TOG11
Timer G1 Capture Trigger 0
Timer G1 Compare Output 0
I/O
19 P22/TIG12/TOG12
Timer G1 Capture Trigger 0
Timer G1 Compare Output 0
I/O
Timer G1 Capture Trigger 0
Timer G1 Compare Output 0
I/O
Timer G1 Capture Trigger 0
Timer G1 Compare Output 0
I/O
17
20 P23/TIG13/TOG13
Port 2:
6-bit input/output port
21 P24/TIG14/TOG14
22
P25/TIG15/
INTP25
Timer G1 Capture Trigger 0
External interrupt input INTP25
I/O
23
P00/FCRXD1/
INTP00
FCAN channel 1 serial data input
External interrupt input INTP00
I/O
24
P01/FCTXD1/
INTP01
FCAN channel 1 serial data output
External interrupt input INTP01
I/O
25
P30/RXD60/
INTP30
UART60 asynchronous data input
External interrupt input INTP30
I/O
26 P31/TXD60
Port 0:
3-bit input/output port
Port 3:
6-bit input/output port
5-K
UART60 asynchronous data output I/O
27 P40/SI00
CSI0 channel 0 serial data input
I/O
28 P41/SO00
CSI0 channel 0 serial data output
I/O
CSI0 channel 0 serial clock input
I/O
CSI0 channel 1 serial data input
I/O
31 P44/SO01
CSI0 channel 1 serial data output
I/O
32 P45/SCK01
CSI0 channel 1 serial clock input
I/O
Processor clock output
External interrupt input INTP02
I/O
29 P42/SCK00
30 P43/SI01
Port 4:
6-bit input/output port
Driver
Type
33 P02/PCL/INTP02
Port 0:
3-bit input/output port
34 REGC_M1
pin for external 3.3 V Regulating
Capacitor
-
-
-
35 VSS1
Ground potential pin for Flash, CPU
and I/O buffers
-
-
-
36 BVSS0
Ground potential pin for I/O buffers
-
-
-
37 BVDD0
Power supply pin for I/O buffers
-
-
-
38 NMI
Non-maskable interrupt input pin
-
I
2
39
P32/RXD61/
INTP32
40 P33/TXD61
P34/FCRXD0/
41
INTP34
42 P35/FCTXD0
UART61 asynchronous data input
External interrupt input INTP32
Port 3:
6-bit input/output port
I/O
UART61 asynchronous data output I/O
FCAN channel 0 serial data input
External interrupt input INTP34
I/O
FCAN channel 0 serial data output
I/O
Data Sheet U16242EE1V0DS00
5-K
9
µPD70(F)3175
Table 1-1:
Pin Functions (3/4)
Pin
No.
Name
Function
Default
Alternate
I/O
43 PDL0
-
I/O
44 PDL1
-
I/O
45 PDL2
-
I/O
46 PDL3
-
I/O
47 PDL4
-
I/O
48 PDL5
-
I/O
49 PDL6
-
I/O
-
I/O
-
I/O
52 PDL9
-
I/O
53 PDL10
-
I/O
54 PDL11
-
I/O
55 PDL12
-
I/O
56 PDL13
-
I/O
57 PDL14
-
I/O
58 PDL15
-
I/O
50 PDL7
51 PDL8
59 PDH0
Port DL:
16-bit input/output port
Driver
Type
5
-
I/O
60 PDH1
Port DH:
9-bit output port
-
I/O
61 MODE1
MODE Definition Input pins
-
I/O
2
62 VPP Note
High Voltage apply pin to program the
device
-
-
-
63 BVSS1
Ground potential pin for I/O buffers
-
-
64 BVDD1
Power supply pin for I/O buffers
-
-
65 PDH2
-
I/O
66 PDH3
-
I/O
-
I/O
-
I/O
69 PDH6
-
I/O
70 PDH7
-
I/O
71 PDH8
-
I/O
72 PCT0
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
-
67 PDH4
68 PDH5
73 PCT1
74 PCT4
Port DH:
9-bit output port
Port CT:
4-bit input/output port
75 PCT6
76 PCD2
77 PCD3
Port CD:
2-bit output port
78 PCM0
79 PCM1
Port CM:
4-bit output port
80 PCM2
81 BVDD2
10
Power supply pin for I/O buffers
Data Sheet U16242EE1V0DS00
5
-
µPD70(F)3175
Table 1-1:
Pin Functions (4/4)
Pin
No.
Name
Function
Default
Alternate
I/O
Driver
Type
82 BVSS2
Ground potential pin for I/O buffers
-
-
-
83 VSS0
Ground potential pin for Flash, CPU
and I/O buffers
-
-
-
84 VDD0
Power supply pin for Flash, CPU and
I/O buffers
-
-
-
85 REGC_M0
pin for external 3.3 V Regulating
Capacitor
-
-
-
86 PCM3
Port CM:
4-bit output port
-
I/O
5
87 P713/ANI13
ANI13
I/O
88 P712/ANI12
ANI12
I/O
89 P711/ANI11
ANI11
I/O
90 P710/ANI10
ANI10
I/O
91 P79/ANI9
ANI9
I/O
92 P78/ANI8
ANI8
I/O
ANI7
I/O
ANI6
I/O
95 P75/ANI5
ANI5
I/O
96 P74/ANI4
ANI4
I/O
97 P73/ANI3
ANI3
I/O
98 P72/ANI2
ANI2
I/O
99 P71/ANI1
ANI1
I/O
100 P70/ANI0
ANI0
I/O
93 P77/ANI7
94 P76/ANI6
Port 7: 14-bit input port
9
Note: Only for µPD70F3175 (Flash product)
Data Sheet U16242EE1V0DS00
11
µPD70(F)3175
1.2 I/O Circuits
Figure 1-1:
Input / Output Circuits
Type 9
Type 2
P-ch
Comparator
+
-
IN
N-ch
IN
VREF (Threshold Voltage)
Input
enable
Type 5
Type 5-K
V DD
V DD
Data
Data
P-ch
P-ch
IN/OUT
IN/OUT
Output
disable
N-ch
Output
disable
V SS
V SS
Input
enable
12
N-ch
Input
enable
Data Sheet U16242EE1V0DS00
µPD70(F)3175
1.3 Port Pins
Table 1-2:
Port name
Pin name
Port Functions (1/3)
Pin function after Reset
In Single Chip Mode
P00/FCRXD1/INTP00
P0
P01/FCTXD1/INTP01
Port Mode
(input mode)
P02/PCL/INTP02
If not used
Independently connect to
BVSS or BVDD via resistor
Output: leave open
P10/TIG00/INTP10
P11/TIG01/TOG01
P1
P12/TIG02/TOG02
P13/TIG03/TOG03/SI10
Port Mode
(input mode)
Independently connect to
BVSS or BVDD via resistor
Output: leave open
P14/TIG04/TOG04/SO10
P15/TIG05/INTP15/SCK10
P20/TIG10/INTP20
P21/TIG11/T0G11
P2
P22/TIG12/T0G12
P23/TIG13/T0G13
Port Mode
(input mode)
Independently connect to
BVSS or BVDD via resistor
Output: leave open
P24/TIG14/T0G14
P25/TIG15/INTP25
P30/RXD60/INTP30
P31/TXD60
P3
P32/RXD61/INTP32
P33/TXD61
Port Mode
(input mode)
Independently connect to
BVSS or BVDD via resistor
Output: leave open
P34/FCRXD0/INTP34
P35/FCTXD0
P40/SI00
P41/SO00
P4
P42/SCK00
P43/SI01
Port Mode
(input mode)
Independently connect to
BVSS or BVDD via resistor
Output: leave open
P44/SO01
P45/SCK01
Data Sheet U16242EE1V0DS00
13
µPD70(F)3175
Table 1-2:
Port name
Pin name
Port Functions (2/3)
Pin function after Reset
In Single Chip Mode
If not used
P70/ANI0
P71/ANI1
P72/ANI2
P73/ANI3
P74/ANI4
P75/ANI5
P7
P76/ANI6
P77/ANI7
Port Mode
(input mode)
Independently connect to
AVSS or AVDD via resistor
P78/ANI8
P79/ANI9
P710/ANI10
P711/ANI11
P712/ANI12
P713/ANI13
PCT0
PCT
PCT1
PCT4
Port Mode
(input mode)
Independently connect to
BVSS or BVDD via resistor
Output: leave open
PCT6
PDH0
PDH1
PDH2
PDH3
PDH
PDH4
Port Mode
(input mode)
PDH5
Independently connect to
BVSS or BVDD via resistor
Output: leave open
PDH6
PDH7
PDH8
PCM0
PCM
PCM1
PCM2
Port Mode
(input mode)
Output: leave open
PCM3
PCD2
PCD
PCD3
Independently connect to
BVSS or BVDD via resistor
Port Mode
(input mode)
Independently connect to
BVSS or BVDD via resistor
Output: leave open
14
Data Sheet U16242EE1V0DS00
µPD70(F)3175
Table 1-2:
Port name
Pin name
Port Functions (3/3)
Pin function after Reset
In Single Chip Mode
If not used
PDL0
PDL1
PDL2
PDL3
PDL4
PDL5
PDL6
PDL
PDL7
PDL8
Port Mode
(input mode)
Independently connect to
BVSS or BVDD via resistor
Output: leave open
PDL9
PDL10
PDL11
PDL12
PDL13
PDL14
PDL15
Data Sheet U16242EE1V0DS00
15
µPD70(F)3175
1.4 Non-port Pins
Table 1-3:
Pin
Number
Pin name
Non-Port Functions
Connection for normal operation
If not used
1
AVREF
Analog voltage reference for A/D converter
-
2
AVDD
Analog Power Supply
-
3
AVSS
Analog Ground
10
REGC_O
Connect to CVSS via a capacitor Note 1
-
11
CVDD
Power supply pin for oscillator and PLL
-
12
CVSS
Ground potential pin for oscillator and PLL
-
13
X1
-
14
X2
Refer to Figure 3-2, “Oscillator Recommendations,” on
page 24 for recommended circuit
15
RESET
External system reset input
-
16
MODE0
Connect to VSSn via a resistor
-
34
REGC_M1
Connect to VSS1 via a capacitor Note 2
-
35
VSS1
Ground potential pin for Flash, CPU and I/O buffers
-
36
BVSS0
Ground potential pin for I/O buffers
-
37
BVDD0
Power supply pin for I/O buffers
-
NMI
NMI
61
MODE1
Connect to VSSn via a resistor
62
VPP Note 3
On Flash devices connect VPP to ground via a resistor.
63
BVSS1
Ground potential pin for I/O buffers
64
BVDD1
Power supply pin for I/O buffers
81
BVDD2
Power supply pin for I/O buffers
-
82
BVSS2
Ground potential pin for I/O buffers
-
83
VSS0
Ground potential pin for Flash, CPU and I/O buffers
-
84
VDD0
Power supply pin for Flash, CPU and I/O buffers
-
85
REGC_M0
Connect to REGC_M1 pin with the shortest way (lowest
impedance)
-
NMI
Connect to BVSS
-
Independently connect to
VSS or VDD via resistor
On ROM devices connect
directly to ground
Notes: 1. NEC specifies to connect a minimum 330 nF Capacitor.
2. NEC specifies to connect a minimum 1 µF Capacitor.
3. Only for µPD70F3175 (Flash product)
Cautions: 1. On REGC-pin and each pin of VDDn, a capacitor has to be attached as tight as
possible to the pin.
2. The capacitors used should have only very low serial impedance.
3. All ground pin have to be connected together.
4. For EMI optimization, NEC recommends to separate power supply for VDDn,
CVDDn and BVDD (refer to Figure 1-2, “Power Supply Connection,” on page 17).
16
Data Sheet U16242EE1V0DS00
µPD70(F)3175
Figure 1-2:
Power Supply Connection
330 nF min
REGC_0
CVSS / VSSn
BVSSn / AVSS
BVDDn
I/O Buffer
5 V Power Supply
V850E/CA4 HELIOS
PLL
CVDD
VREG
5 V Power Supply
OSC
REGC_M1
10 nF
CPU, Flash
and
Peripherals
VDD0
VREG
AVDD
AD
5 V Power Supply
5 V Power Supply
REGC_M0
AV REF
1 µF min
10 nF
Data Sheet U16242EE1V0DS00
17
µPD70(F)3175
2.
Programming Flash Memory
The device µPD70F3175 supports the programming of the internal flash in two ways: Either by using
the flashMASTER programming tool or by performing self-programming using software functions and
I/O communications.
For programming details about both methods, see the User’s Manual. For timing characteristics about
the initial programming using flashMASTER and some more electrical data about the Flash Memory,
please see 3.7 “Flash EPROM Characteristics” on page 30.
18
Data Sheet U16242EE1V0DS00
µPD70(F)3175
3. Electrical Specifications
3.1 Absolute Maximum Ratings
3.1.1 Flash version
(TA = +25°C,VSSx = CVSS = BVSSx = 0 V)
Table 3-1:
Parameter
Absolute Maximum Ratings
Symbol
Supply voltage
Ratings
Unit
VDD0
-0.5 to +6.0
V
CVDD
-0.5 to +6.0
V
CVSS
-0.5 to +0.5
V
BVDDn
-0.5 to +6.0
V
BVSSn
-0.5 to +0.5
V
-0.5 to +5.5
V
-0.5 to +0.5
V
AVDD
Test Conditions
AVDD ≤ VDD0 + 0.5 V
AVSS
Input voltage
Input voltage
Output current low
Output current high
Operating temperature
Storage temperature
alphabetical Ports
1 pin
All pins
1 pin
All pins
VI (all except
X1, X2, AVREF)
VI < BVDDx + 0.5 V
-0.5 to +6.0
V
AVREF
AVREF ≤ AVDD
-0.5 to +0.5
V
VPP
Flash programming
mode
-0.5 to +8.5
V
VAN
VAN < AVDD +0.5 V
-0.5 to +6.0
V
4.0
mA
50
mA
-4.0
mA
-50
mA
IOL
IOH
TOPR
µPD70F3175(A)
-40 ~ +85
°C
TSTGB
Before programming
-55 ~ +150
°C
TSTGA
After programming
-55 ~ +125
°C
Data Sheet U16242EE1V0DS00
19
µPD70(F)3175
3.1.2 Mask version
(TA = +25°C, VSSx = CVSS = BVSSx = 0 V)
Table 3-2:
Parameter
Absolute Maximum Ratings
Symbol
Supply voltage
Ratings
Unit
VDD0
-0.5 to +6.0
V
CVDD
-0.5 to +6.0
V
CVSS
-0.5 to +0.5
V
BVDDn
-0.5 to +6.0
V
BVSSn
-0.5 to +0.5
V
-0.5 to +5.5
V
-0.5 to +0.5
V
AVDD
Test Conditions
AVDD < VDD0 + 0.5 V
AVSS
Input voltage
Input voltage
Output current low
Output current high
alphabetical Ports
1 pin
All pins
1 pin
All pins
VI (all except
X1, X2, AVREF)
VI < BVDDx + 0.5 V
-0.5 to +6.0
V
AVREF
AVREF < AVDD
-0.5 to +0.5
V
VAN
VAN < AVDD +0.5 V
-0.5 to +6.0
V
4.0
mA
50
mA
-4.0
mA
-50
mA
-40 ~ +85
°C
-65 ~ +150
°C
IOL
IOH
Operating temperature
TOPR
Storage temperature
TSTG
20
µPD703175(A),
µPD703176A)
Data Sheet U16242EE1V0DS00
µPD70(F)3175
3.2 General Characteristics
3.2.1 Oscillator Characteristics
(TA= -40 ~ +85°C, VDD0 = CVDD = BVDDx = 4.5 V to 5.5 V, VSSx = CVSS = BVSSx = 0 V)
Table 3-3:
Resonator
Crystal
oscillator
Ceramic
oscillator
Parameter
Oscillator Characteristics
Symbol
Oscillator Frequency (fXX)
fOSC
Oscillation Stabilization
time
TOST
Oscillator Frequency (fXX)
fOSC
Oscillation Stabilization
time
TOST
Test Conditions
MIN.
TYP.
6
After VDD0 reaches,
oscillator voltage
range MIN. 4.5 V
MAX.
Unit
8
MHz
TBD
ms
Note
6
8
After VDD0 reaches,
oscillator voltage
range MIN. 4.5 V
MHz
TBD
ms
Note
Note: Max. stabilization time depends to particular crystal or Ceramic characteristics.
3.2.2 PLL Characteristics
(TA= -40 ~ +85°C)
Table 3-4:
PLL Characteristics
Parameter
Symbol
Test Conditions
PLL lock time
TPLL
OSC MODE PLL
on and PLL off
MIN.
TYP.
MAX.
Unit
1
ms
MAX.
Unit
15
pF
15
pF
15
pF
3.2.3 I/O Capacitances
(TA = 25°C, VDD5x = VSS5x = 0 V)
Table 3-5:
Parameter
Input capacitance
Symbol
CI
Input/output capacitance
CIO
Output capacitance
CO
I/O Capacitances
Test Conditions
MIN.
fC = 1 MHz
Unmeasured pins
returned to 0 V
Data Sheet U16242EE1V0DS00
TYP.
21
µPD70(F)3175
3.3 Operating Conditions
Table 3-6:
Clock Mode
Operation Mode
Operating Conditions
Operating
Temperature (TA)
OSC Mode,
PLL on
Supply Voltage
(VDDx)
Inside Operation Clock
Frequency
12 MHz ≤ fCPU ≤ 32 MHz
ALL Modes
-40 ~ +85°C
4.5 V ≤ VDDx ≤ 5.5 V
OSC Mode,
PLL off
6 MHz ≤ fCPU ≤ 8 MHz
3.4 DC Characteristics
(TA = -40 ~ +85°C, VDD0 = CVDD = BVDDx = 4.5 V to 5.5 V, VSSx = CVSS = BVSSx = 0 V)
Table 3-7:
Parameter
High level
Input voltage
Low level
Input voltage
High level
Input voltage
Low level
Input voltage
High level
Input voltage
Low level
Input voltage
DC Characteristics
Symbol
P00-P02, P10-P15, P20-P25,
P30-P35, P40-P45, RESET
PDL0-PDL15, PDH0-PDH8,
PCM0-PCM3, PCD2-PCD3,
PCT0, PCT1, PCT4, PCT6,
NMI
P70-P713
(Port shared with ANIxNote
Test
Conditions
MIN.
TYP.
MAX.
Unit
VIH1
0.8 BVDDx
BVDDx
V
VIL1
BVSSx
0.2 BVDDx
V
VIH2
0.7 BVDDx
BVDDx
V
VIL2
BVSSx
0.3 BVDDx
V
VIHT
0.7 BVDDx
BVDDx
V
VILT
0
0.3 BVDDx
V
High level
Output voltage
VOH1
IOH = -3.0 mA
BVDDx-1.0
BVDDx
V
Low level
Output voltage
VOL1
IOL = 3.0 mA
0
0.4
V
ILIH
VI = VDD5
5
µA
ILIL
VI = 0 V
-5
µA
High level Input
leakage current
Low level Input
leakage current
VI = BVDDx
VI = REGC_O
Note: P7 can only be use as digital input port when AVDD = VDD.
22
Data Sheet U16242EE1V0DS00
µPD70(F)3175
Table 3-8:
Parameter
Symbol
IDD1
Supply Current Note 1
Flash version
Supply Current Note 1
mask 32 MHz version
mask 24 MHz version
Notes:
Test Conditions
Operating mode
IDD2
HALT mode
IDD3
IDLE mode
Note 2
Note 3
Note 4
MIN.
TYP.
MAX.
Unit
100
150
mA
50
75
mA
9
13.5
mA
1
1.5
mA
IDD4
WATCH mode
IDD5
STOP mode
50
300
µA
IDD1
Operating mode Note 2
100
150
mA
IDD2
HALT mode Note 3
50
75
mA
IDD3
IDLE mode
9
13.5
mA
1
1.5
mA
50
300
µA
75
113
mA
38
56
mA
7
10.5
mA
1
1.5
mA
50
300
µA
IDD4
WATCH mode
IDD5
STOP mode
IDD1
Supply Current Note 1
Power Supply Currents
Note 4
Operating mode
IDD2
HALT mode
IDD3
IDLE mode
Note 2
Note 3
IDD4
WATCH mode
IDD5
STOP mode
Note 4
1. AVREF current, port current are not included.
2. fCPU = 4fXX: fXX = 8 MHz for 32 MHz version, fXX = 6 MHz for 24 MHz, peripheral functions
operating
3. fXX = 8 MHz, CPU stopped, peripheral functions operating with highest speed with PLL
multiplied clock.
4. fXX = 8 MHz, CPU stopped, all peripheral functions stopped (Watch timer and Watchdog
timer operating).
Data Sheet U16242EE1V0DS00
23
µPD70(F)3175
3.5 AC Characteristics
3.5.1 General
(TA = -40 ~ +85°C, VDD0 = CVDD = BVDDx = 4.5 V to 5.5 V, VSSx = CVSS = BVSSx = 0 V)
Figure 3-1:
AC Test Input Waveform, AC Test Load Condition
Test Points
VDD5
0.8 VDD5
0.2 VDD5
0V
DUT
Load on test
CL = 50 pF
3.5.2 Oscillator Recommendations
Figure 3-2:
Oscillator Recommendations
X1
X2
*
*: This resistor is optional and depends of resonator supplier
Note: Values of capacitors depends on used resonator and must be specified in cooperation with
manufacturer.
24
Data Sheet U16242EE1V0DS00
µPD70(F)3175
3.5.3 Clock
Table 3-9:
Parameter
Clock AC Characteristics
Symbol
Test Conditions
MIN.
MAX.
Unit
fOSC
OSC MODE
6
8
MHz
MIN.
MAX.
X1, X2 oscillator frequency
3.5.4 RESET (power up/down sequence)
Table 3-10:
Parameter
RESET high-level width
RESET low-level width
Symbol
Reset Timing
Test Conditions
tWRSH
Unit
500
ns
tWRSLW
During WATCH mode
1
ms
tWRSL0
After power on, during
STOP mode
TBD Note
ms
tWRSL1
Other than above
500
ns
Note: The maximum time depends on the oscillation stabilization time of the external oscillator.
Figure 3-3:
Reset Timing
tWRSH
tWRSL
RESET
3.5.5 Standby Mode Characteristics
Table 3-11:
Parameter
WATCH mode release time
STOP mode release time
Symbol
tWATCH
tSTOP
Standby Mode Timing
Test Conditions
MIN.
After WATCH mode release
1Note
ms
TBD Note
ms
After STOP mode release
MAX.
Unit
Note: This is the minimum time required for internal stabilization. If STOP mode is released by reset,
OSC stabilization must be ensured by active reset (please see Table 3-10, “Reset Timing,” on
page 25).
Data Sheet U16242EE1V0DS00
25
µPD70(F)3175
3.5.6 Interrupt Timing
Table 3-12:
Parameter
Symbol
Interrupt Timing
Test Conditions
MIN.
MAX.
Unit
NMI, INTPn, TIEm
high-level width
tWITHA
500
ns
NMI, INTPn, TIEm
low-level width
tWITLA
500
ns
Remark:
n = 0 - 10
m=1-4
Figure 3-4:
tWITHA
Interrupt Timing
tWITLA
NMI, INTPn,
TIEm
26
Data Sheet U16242EE1V0DS00
µPD70(F)3175
3.6 Peripheral Function Characteristics
3.6.1 Timer G
Table 3-13:
Timer G Characteristics
Test
Conditions
Parameter
Symbol
MIN.
MAX.
Unit
TIGmn
input high-level width Note
tWTIGH
TMGn count clock × 2 + 20
ns
TIGmn
input low-level width Note
tWTIGL
TMGn count clock × 2 + 20
ns
Note: n = 0, 1 and m = 0,..., 5
Figure 3-5:
tWTIGH
Timer G Characteristics
tWTIGL
TIGmn
Data Sheet U16242EE1V0DS00
27
µPD70(F)3175
3.6.2 CSI
Table 3-14:
Parameter
CSI Master Mode Characteristics
Symbol
Test Conditions
MIN.
SCK cycle time
tCYSK
Output
125
ns
SCK high level width
tWSKH
Output
0.5 tCYSK - 10
ns
SCK low level width
tWSKL
Output
0.5 tCYSK - 10
ns
SI set up time (to SCK ↑)
tSSISK
40
ns
SI hold time (from SCK ↑)
tHSKSI
30
ns
SO output delay time (from SCK ↓)
tDSKSO
SO output hold time (from SCK ↑)
tHSKSO
Table 3-15:
Parameter
MAX.
30
5
Unit
ns
ns
CSI Slave Mode Characteristics
Symbol
Test Conditions
MIN.
SCK cycle time
tCYSK
Input
125
ns
SCK high level width
tWSKH
Input
0.5 tCYSK - 10
ns
SCK low level width
tWSKL
Input
0.5 tCYSK - 10
ns
SI set up time (to SCK ↑)
tSSISK
40
ns
SI hold time (from SCK ↑)
tHSKSI
30
ns
SO output delay time (from SCK ↓)
tDSKSO
SO output hold time (from SCK ↑)
tHSKSO
Figure 3-6:
50
tWSKH
CSI Slave Mode Characteristics
tCYSK
tWSKL
tWSKH
SCK
tSSISK
SI
tHSKSI
Hi-Z
Input Data
tDSKSO
tHSKSO
SO
28
MAX.
Output Data
Data Sheet U16242EE1V0DS00
Unit
ns
ns
µPD70(F)3175
3.6.3 UART
Table 3-16:
Parameter
Transfer rate
UART Characteristics
Symbol
Test Conditions
TUART
fPeriferal ≥ 5 MHz
MIN.
MAX.
Unit
312500
bps
MAX.
Unit
1
Mbps
3.6.4 FCAN
Table 3-17:
Parameter
Transfer rate
FCAN Characteristics
Symbol
Test Conditions
TFCAN
fCPU ≥ 16 MHz
MIN.
3.6.5 A/D Converter
Table 3-18:
A/D Converter Characteristics
(TA = -40 ~ +85°C, VVDD5x = VAVDD = 4.5 ~ 5.5 V, VSS5x = VAVSS = 0 V)
Parameter
Resolution
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
-
10
Bit
-
±3
LSB
12
µs
VIAN
AVREF
V
Reference Voltage
AVREF
AVDD
V
Reference Voltage
input current Note 4
IAVREF
2
mA
Overall Error
Note 1
Conversion Time
Note 2
Analog Input Voltage
tCONV
5
AVREF = AVDD
1
Notes: 1. Quantization error is not included
2. tCONV depends on register ADSCM1
3. tSAM depends on register ADSCM1
4. If ADC is set to standby mode, AVREF can be disconnected externally (left open) to reduce
current consumption.
Data Sheet U16242EE1V0DS00
29
µPD70(F)3175
3.7 Flash EPROM Characteristics
Table 3-19:
Flash EPROM Programming Characteristics Basic Specification
Parameter
Symbol
Test conditions
VDD
Supply voltage
MIN.
MAX.
Unit
4.5
5.5
V
+0.3
V
7.8
8.1
V
60
90
mA
100
times
VPPL
Low input
-0.3
VPPH
Programming
mode
7.5
IPP1
Supply current
TYP.
Maximum times of reprogramming
CWRT
Write time
tIWRTW
Word (32-bit)
20
200
µs
tERASCB
Block (128 K)
0.2
20
s
tERASCC
Chip (256 K)
0.4
40
s
+70
°C
Erase time
tPRG
Programming temperature
Table 3-20:
0
Flash EPROM Serial Programming Operation Characteristics
Parameter
Symbol
Test
conditions
MIN.
TYP.
MAX.
Unit
VDD0 ↑ setup time to VPP ↑
tVDD5SU
1.0
ms
VDD5X ↑ hold time to VPP ↑
tVDD5HD
1.0
ms
VDD5X ↑ setup time to RESET ↑
tDRRR
10
µs
VPP↑ setup time to RESET ↑
tPSRRF
1
µs
RESET ↑ count start setup time (to
VPPH level)
tRFOF
5T + 500
µs
Times of VPP counting
VPP = VPPH,
T = 1/fXX
tCOUNT
10
ms
VPP count High level width
tCH
1
µs
VPP count low level width
tCL
1
µs
Note: T= 1 / fCPU
30
Data Sheet U16242EE1V0DS00
µPD70(F)3175
Figure 3-7:
VDD0 Setup / Hold Time for VPP Terminal
t VDD5SU
t VDD5HD
4.5 V
VDD0
VDD0
VPP
Figure 3-8:
VDD0
Flash EPROM Serial Programming Operation Characteristics
VDD0
0V
t COUNT
t RFOF
VPP
VPP
t CH
VDD0
t PSRRF
0V
VDD0
RESET
t CL
t DRRR
0V
Data Sheet U16242EE1V0DS00
31
µPD70(F)3175
4.
Package Drawing
• 100-PIN PLASTIC LQFP (FINE PITCH) (14 × 14)
Figure 4-1:
32
Package Drawing
Data Sheet U16242EE1V0DS00
µPD70(F)3175
5. Revision History
Version
Date
Author
Data Sheet U16242EE1V0DS00
Remarks
33
µPD70(F)3175
NOTES FOR CMOS DEVICES
1
PRECAUTION AGAINST ESD FOR SEMICONDUCTORS
Note:
Strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and
ultimately degrade the device operation. Steps must be taken to stop generation of static electricity
as much as possible, and quickly dissipate it once, when it has occurred. Environmental control
must be adequate. When it is dry, humidifier should be used. It is recommended to avoid using
insulators that easily build static electricity. Semiconductor devices must be stored and transported
in an anti-static container, static shielding bag or conductive material. All test and measurement
tools including work bench and floor should be grounded. The operator should be grounded using
wrist strap. Semiconductor devices must not be touched with bare hands. Similar precautions need
to be taken for PW boards with semiconductor devices on it.
2
HANDLING OF UNUSED INPUT PINS FOR CMOS
Note:
No connection for CMOS device inputs can be cause of malfunction. If no connection is provided
to the input pins, it is possible that an internal input level may be generated due to noise, etc., hence
causing malfunction. CMOS devices behave differently than Bipolar or NMOS devices. Input levels
of CMOS devices must be fixed high or low by using a pull-up or pull-down circuitry. Each unused
pin should be connected to V DD or GND with a resistor, if it is considered to have a possibility of
being an output pin. All handling related to the unused pins must be judged device by device and
related specifications governing the devices.
3
STATUS BEFORE INITIALIZATION OF MOS DEVICES
Note:
Power-on does not necessarily define initial status of MOS device. Production process of MOS
does not define the initial operation status of the device. Immediately after the power source is
turned ON, the devices with reset function have not yet been initialized. Hence, power-on does
not guarantee out-pin levels, I/O settings or contents of registers. Device is not initialized until the
reset signal is received. Reset operation must be executed immediately after power-on for devices
having reset function.
34
Data Sheet U16242EE1V0DS00
µPD70(F)3175
•
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M8E 02.10
Data Sheet U16242EE1V0DS00
35
µPD70(F)3175
Regional Information
Some information contained in this document may vary from country to country. Before using any NEC
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•
Device availability
Ordering information
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36
Data Sheet U16242EE1V0DS00
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