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Part: M37470M8
Category:
Description: Single-chip 8-bit CMOS Microcomputer
Company: Mitsubishi Electronics America, Inc.
Datasheet: Download M37470M8 datasheet File size : 124 kB
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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 microcomputer 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 equipment 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 . T h e differences between the M37471M2-XXXSP and the M37471M2-XXXFP are the package outline and the power dissipation 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)
P17/SRDY P16/CLK P15/SOUT P14/SIN P13/ T1 P12/ T0 P11 P10 P23/IN3 P22/IN2 P21/IN1 P20/IN0 VREF XIN XOUT VSS
1 2 3 4 5
32 31 30 29 28
P07 P06 P05 P04 P03 P02 P01 P00 P41 P40 P33 /CNTR1 P32 /CNTR0 P31 /INT1 P30 /INT0 RESET VCC
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
q Basic machine-language instructions ..... 71 q Memory size ROM ..... 4096 bytes (M37471M2) RAM ........ 128 bytes (M37471M2) q The minimum instruction execution time ...... 0.5 µs (at 8 MHz oscillation frequency) q Power source voltage ..... 2.7 to 4.5 V (at 2.2VCC2.0 MHz oscillation frequency) ....... 4.5 to 5.5 V (at 8 MHz oscillation frequency) q Power dissipation in normal mode .. 35 mW (at 8.0 MHz oscillation frequency) q Subroutine nesting ...... 64 levels max. (M37470M2, M37471M2) q Interrupt ......... 12 sources, 10 vectors q 8-bit timers .......... 4 q Programmable I/O ports (Ports P0, P1, P2, P4) ........ 22(7470 group) 28(7471 group) q Input port (Port P3) ..... 4(7470 group) (Ports P3, P5) ...... 8(7471 group) q Serial I/O (8-bit) ........ 1 q A-D converter ....... 8-bit, 4channels (7470 group) 8-bit, 8channels (7471 group)
MITSUBISHI MICROCOMPUTERS
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PIN CONFIGURATION (TOP VIEW)
NC P0 4 P0 3 P02 P0 1 P0 0 P4 3 P42 P41 P4 0 NC P3 3 /CNTR 1 P3 2 /CNTR 0 P3 1 /INT 1 P30/INT0 NC
43 37 35 39 41 44 38 36 33 31 40 42 34 32 30 29
P53 P17 /SRDY P16/CLK P15 /SOUT P14 /SIN P13/ T1 P12/ T0 P11 P10 P27 /IN7 P26 /IN6 P25 /IN5 P24 /IN4 P23 /IN3 P22 /IN2 P21 /IN1 P20 /IN0 VREF XIN XOUT VSS
1 2 3 4 5 6 7
42 41 40 39 38 37 36
P52 P07 P06 P05 P04 P03 P02 P01 P00 P43 P42 P41 P40 P33/CNTR1 P32/CNTR0 P31/INT1 P30/INT0 RESET P51/XCOUT P50/XIN VCC NC P05 P06 P07 P52 NC VSS P53 P17 /SRDY P16/CLK P15/SOUT NC
45 46 47 48 49 50 51 52 53 54 55 56
28 27 26
8 9 10 11 12 13 14 15 16 17 18 19 20 21
35 34 33 32 31 30 29 28 27 26 25 24 23 22
M37471M2-XXXFP M37471M4-XXXFP M37471E4-XXXFP M37471M8-XXXFP M37471E8-XXXFP
25 24 23 22 21 20 19 18 17
RESET NC P51 /XCOUT P50 /XCIN NC VCC VSS AVSS NC XOUT XIN NC
10
12
11
13
14
Outline 42P4B 42S1B-A (Window)
Note : The differences between 42P4B package type of 7471 group and 56P6N-A package type of 7471 group are package outline, power dissipation ability (absolute maximum ratings), and the provision of an AV SS pin by the 56P6N-A package type. NC : No connection
2
NC P14/SIN P13/ T1 P12/ T0 P11 P10 P27/IN7 P26/IN6 P25/IN5 P24/IN4 P23 /IN3 P22/IN2 P21/IN1 P20/IN0 VREF NC
Outline 56P6N-A
15
16
1
2
3
4
5
6
7
8
9
M37471M2-XXXSP M37471M4-XXXSP M37471E4-XXXSP M37471M8-XXXSP M37471E8-XXXSP M37471E8SS
M37470M2-XXXSP BLOCK DIAGRAM
Reset input
RESET
18 17 16
Clock input X IN VCC VSS
Clock output XOUT
14
15
Clock generating circuit (Note 2) RAM 128 bytes Timer 2 (8) Control signal Processor status register PS (8) Index register Y(8) Stack pointer S(8) Timer 3 (8) Timer 4 (8) PWM control Index register X(8) Program counter PCH(8) 4096 bytes Timer 1 (8) Instruction decoder Program counter PCL (8) ROM Instruction register (8) (Note 1)
Data bus
8-bit Arithmetic and logical unit
Accumulator A(8)
Byte counter (4) INT1 A-D converter S I/O(8) 4 P3(4) P2(4) P1(8) P0(8) CNTR1 CNTR0 INT0
P4(2)
24 23
22 21 20 19
13
9 10 11 12
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
I/O port P4 Input port P3
VREF Reference voltage input
I/O port P2
I/O port P1
I/O port P0 Notes 1 : 8192 bytes for M37470M4/E4-XXXSP, and 16384 bytes for M37470M8/E8-XXXSP 2 : 192 bytes for M37470M4/E4-XXXSP, and 384 bytes for M37470M8/E8-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
7470/7471 Group
3
Others parts begin by m3
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