
MITSUBISHI MICROCOMPUTERS
7630 Group
1
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 7630 group is a single chip 8-bit microcomputer designed with
CMOS silicon gate technology.
Being equipped with a CAN (Controller Area Network) module cir-
cuit, the microcomputer is suited to drive automotive equipments.
The CAN module complies with CAN specification version 2.0, part
B and allows priority-based message management.
In addition to the microcomputers simple instruction set, the ROM,
RAM and I/O addresses are placed in the same memory map to
enable easy programming.
The built-in ROM is available as mask ROM or One Time PROM.
For development purposes, emulator- and EPROM-type microcom-
puters are available as well.
FEATURES
z
Basic machine-language instructions . . . . . . . . . . . . . . . . . .71
Minimum instruction execution time
(at 10 MHz oscillation frequency) . . . . . . . . . . . . . . . . . .0.2
μ
s
Memory size
ROM . . . . . . . . . . . . . . . . .16252 bytes (M37630M4T-XXXFP)
RAM . . . . . . . . . . . . . . . . . . .512 bytes (M37630M4T-XXXFP)
I/O ports
Programmable I/O ports . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
z
z
z
z
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . 24 sources, 24 vectors
Timers
16-bit Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 channels
8-bit Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 channels
Serial I/Os
Clock synchronous. . . . . . . . . . . . . . . . . . . . . . . . . . . 1 channel
UART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 channel
CAN module
(CAN specification version 2.0, part B) . . . . . . . . . . . 1 channel
A-D converter. . . . . . . . . . . . . . . . . . . . . . . . 8-bits x 8 channels
Watchdog timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Clock Generating Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Built-in with internal feedback resistor
Power source voltage
(at 10 MHz oscillation frequency). . . . . . . . . . . . . . . 4.0 to 5.5 V
Power dissipation
In high-speed mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 mW
(at 8 MHz oscillation frequency, at 5 V power source voltage)
Operating temperature range. . . . . . . . . . . . . . . . . –40 to 85
°
C
Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . 44QFP (44P6N-A)
z
z
z
z
z
z
z
z
z
z
APPLICATION
Automotive controls
Fig. 1
Pin configuration of M37630M4T–XXXFP
34
22
35
21
36
20
37
19
38
18
39
17
40
16
41
15
42
14
43
13
44
12
1
2
3
4
5
6
7
8
9
1
1
3
3
3
3
2
2
2
2
2
2
2
M37630M4T-XXXFP
M37630E4T-XXXFP
P1
7
P2
0
/S
IN
P2
1
/S
OUT
P2
2
/S
CLK
P2
3
/S
RDY
V
SS
P2
4
/UR
X
D
P2
5
/UT
X
D
P2
6
/U
RTS
P2
7
/U
CTS
P3
0
P0
2
/AN
2
P0
1
/AN
1
P0
0
/AN
0
V
REF
AV
SS
V
CC
X
OUT
X
IN
V
SS
RESET
P4
7
/KW
7
P
6
/
P
5
/
1
P
4
/
0
P
3
/
0
P
2
/
1
P
1
/
0
P
7
/
7
P
6
/
6
P
5
/
5
P
4
/
4
P
3
/
3
P
1
/
P
2
/
P
3
P
4
P
0
/
0
P
1
/
1
P
2
/
2
P
3
/
3
P
4
/
4
P
5
/
5
P
6
/
6
Package type: 44P6N-A
44-pin plastic molded QFP
PIN CONFIGURATION (TOP VIEW)