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M37470M4-XXXSP Datasheet

  • M37470M4-XXXSP

  • SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

  • 643.58KB

  • 46页

  • MITSUBISHI

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MITSUBISHI MICROCOMPUTERS
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 7470/7471 group is a single-chip microcomputer designed
with CMOS silicon gate technology. It is housed in a 32-pin shrink
plastic molded DIP. The M37471M2-XXXSP/FP is a single-chip mi-
crocomputer designed with CMOS silicon gate technology. It is
housed in a 42-pin shrink plastic molded DIP or a 56-pin plastic
molded QFP.
These single-chip microcomputer are useful for business equip-
ment and other consumer applications.
In addition to its simple instruction set, the ROM, RAM, and I/O
addresses are placed on the same memory map to enable easy
programming .
The differences between the M37471M2-XXXSP and the
M37471M2-XXXFP are the package outline and the power dissi-
pation ability (absolute maximum ratings).
The differences among M37470M2-XXXSP, M37470M4-XXXSP,
M37470M8-XXXSP, M37471M2-XXXSP/FP, M37471M4-XXXSP/
FP and M37471M8-XXXSP/FP are noted below.
PIN CONFIGURATION (TOP VIEW)
P1
7
/S
RDY
P1
6
/CLK
P1
5
/S
OUT
P1
4
/S
IN
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
32
31
30
29
28
P0
7
P0
6
P0
5
P0
4
P0
3
P0
2
P0
1
P0
0
P4
1
P4
0
P3
3
/CNTR
1
P3
2
/CNTR
0
P3
1
/INT
1
P3
0
/INT
0
RESET
V
CC
M37470M2-XXXSP
M37470M4-XXXSP
M37470E4-XXXSP
M37470M8-XXXSP
M37470E8-XXXSP
6
7
8
9
10
11
12
13
14
15
16
27
26
25
24
23
22
21
20
19
18
17
Type name
M37470M2-XXXSP
M37471M2-XXXSP/FP
M37470M4-XXXSP
M37471M4-XXXSP/FP
M37470M8-XXXSP
M37471M8-XXXSP/FP
ROM size
4096 bytes
8192 bytes
16384 bytes
RAM size
128 bytes
192 bytes
384 bytes
I/O ports
26
36
26
36
26
36
Outline 32P4B
APPLICATION
Audio-visual equipment, VCR, Tuner,
Office automation equipment
FEATURES
qBasic
machine-language instructions ...................................... 71
qMemory
size
ROM ..................................................... 4096 bytes (M37471M2)
RAM ........................................................ 128 bytes (M37471M2)
qThe
minimum instruction execution time
....................................... 0.5
碌s
(at 8 MHz oscillation frequency)
qPower
source voltage
.............. 2.7 to 4.5 V (at 2.2V
CC
鈥?.0 MHz oscillation frequency)
............................... 4.5 to 5.5 V (at 8 MHz oscillation frequency)
qPower
dissipation in normal mode
................................... 35 mW (at 8.0 MHz oscillation frequency)
qSubroutine
nesting ...... 64 levels max. (M37470M2, M37471M2)
qInterrupt
................................................... 12 sources, 10 vectors
q8-bit
timers .................................................................................. 4
qProgrammable
I/O ports
(Ports P0, P1, P2, P4) ......................................... 22(7470 group)
28(7471 group)
qInput
port (Port P3) ............................................... 4(7470 group)
(Ports P3, P5) ....................................... 8(7471 group)
qSerial
I/O (8-bit) .......................................................................... 1
qA-D
converter ............................... 8-bit, 4channels (7470 group)
8-bit, 8channels (7471 group)

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