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M37481MT-088FP Datasheet

  • M37481MT-088FP

  • SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

  • 97頁

  • MITSUBISHI   MITSUBISHI

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MITSUBISHI MICROCOMPUTERS
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7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 7480/7481 group is the single-chip microcomputer adopting
the silicon gate CMOS process. In addition to its simple instruction
set, the ROM, RAM, and I/O addresses are placed in the same
memory space.
Having built-in serial I/O, A-D converter, and watchdog timer, this
single-chip microcomputer is useful for control of automobiles, of-
fice automation equipment and home electric appliances.
The 7480/7481 group includes multiple types which differ in the
memory type, size, and package.
PIN CONFIGURATION
FEATURES
qNumber
of basic machine language instructions ..................... 71
qMinimum
instruction execution time ................................... 0.5
碌s
(at 8 MHz clock input oscillation frequency)
qMemory
size ROM ........................................... 4 K to 16 K bytes
RAM ............................................ 128 to 448 bytes
qProgrammable
I/O ports .................................... 18 (7480 group)
(P0, P1, P4, P5)
24 (7481 group)
qInput
ports ............................................................ 8 (7480 group)
(P2, P3)
12 (7481 group)
qBuilt-in
programmable pull-up transistors (P0, P1)
qBuilt-in
clamp diodes ............................................ 2 (7480 group)
(P4, P5)
8 (7481 group)
qInterrupt
................................................... 14 sources, 13 vectors
qTimer
X, Y ..................................................................... 16-bit
!
2
qTimer
1, 2 ....................................................................... 8-bit
!
2
qSerial
I/O ....................... 8-bit x 1 (UART or clock-synchronized)
qA-D
converter ............................ 8-bit x 4 channels (7480 group)
8-bit x 8 channels (7481 group)
qBuilt-in
watchdog timer
qPower
source voltage ................................................ 2.7 to 4.5 V
(at [2.2 V
CC
-2] MHz clock input oscillation frequency)
4.5 to 5.5 V
(at 8 MHz clock input oscillation frequency)
qPower
dissipation .............................................................. 35 mW
(at 8 MHz clock input oscillation frequency and 5 V power
source voltage)
P1
7
/S
RDY
P1
6
/S
CLK
P1
5
/T
X
D
P1
4
/R
X
D
P1
3
/T
1
P1
2
/T
0
P1
1
P1
0
P2
3
/IN
3
P2
2
/IN
2
P2
1
/IN
1
P2
0
/IN
0
V
REF
X
IN
X
OUT
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
P0
7
P0
6
P0
5
P0
4
P0
3
P0
2
P0
1
P0
0
P4
1
/CNTR
1
P4
0
/CNTR
0
P3
3
P3
2
P3
1
/INT
1
P3
0
/INT
0
RESET
V
CC
Outline 32P4B
M37480MX-XXXSP
M37480MXT-XXXSP
M37480E8-XXXSP
M37480E8T-XXXSP
APPLICATIONS
Automobiles, office automation equipment, home electric appli-
ances, etc.
P1
7
/S
RDY
P1
6
/S
CLK
P1
5
/T
X
D
P1
4
/R
X
D
P1
3
/T
1
P1
2
/T
0
P1
1
P1
0
P2
3
/IN
3
P2
2
/IN
2
P2
1
/IN
1
P2
0
/IN
0
V
REF
X
IN
X
OUT
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
P0
7
P0
6
P0
5
P0
4
P0
3
P0
2
P0
1
P0
0
P4
1
/CNTR
1
P4
0
/CNTR
0
P3
3
P3
2
P3
1
/INT
1
P3
0
/INT
0
RESET
V
CC
Outline 32P2W-A
Fig. 1 Pin configuration (top view)
M37480MX-XXXFP
M37480MXT-XXXFP
M37480E8-XXXFP
M37480E8T-XXXFP

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