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M37920S4CGP

16-BIT CMOS MICROCOMPUTER

Renesas Electronics 

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MITSUBISHI MICROCOMPUTERS

M37920S4CGP

16-BIT CMOS MICROCOMPUTER

DESCRIPTION

The M37920S4CGP is a single-chip microcomputers designed with

high-performance CMOS silicon gate technology. These are housed

in 100-pin plastic molded QFP. This microcomputer supports the

7900 Series instruction set, which are enhanced and expanded in-

struction set and are upper-compatible with the 7700/7751 Series in-

struction set.

The CPU of this microcomputer is a 16-bit parallel processor that can

also be switched to perform 8-bit parallel processing. Also, the bus

interface unit of this microcomputer enhance the memory access ef-

ficiency to execute instructions fast. This microcomputer include the

4-channel DMA controller and the DRAM controller with enhanced

fast page mode. Therefore, this microcomputer are suitable for of-

fice, business, and industrial equipment controller that require fast

processing of large data.

DISTINCTIVE FEATURES

<Microcomputer mode>

• Number of basic machine instructions .................................... 203

• Memory

RAM .............................................................................2048 bytes

ROM ................................................................................. External

• Instruction execution time

The fastest instruction at 20 MHz frequency ........................ 50 ns

• Single power supply .................................................... 5 V ± 0.5 V

• Interrupts ........... 6 external sources, 17 internal sources, 7 levels

• Multi-functional 16-bit timer ................................................... 5 + 3

• Serial I/O (UART or Clock synchronous) ..................................... 2

• 10-bit A-D converter ............................................ 4-channel inputs

• DMA controller .............................................................. 4-channels

• DRAM controller

• Real-time output

.... 4 bits × 2 channels, or 6 bits × 1 channel + 2 bits × 1 channel

• 12-bit watchdog timer

• Programmable input/output (ports P2–P9, P12) ....................... 49

APPLICATION

Telecommunications equipment such as copiers, printers, typewrit-

ers, facsimiles, optical disk drives, HDD, mobile radio communica-

tion equipment, ISDN terminals

Control devices for office automation equipment such as personal

computers

M37920S4CGP PIN CONFIGURATION (TOP VIEW)

A0 ← 81

P86/CLK0 ↔ 82

P85/RXD0 ↔ 83

P84/TXD0 ↔ 84

P83/CTS0/RTS0 ↔ 85

P82/CTS0/CLK1 ↔ 86

P81/RXD1 ↔ 87

P80/TXD1 ↔ 88

VCC 89

AVCC 90

VREF 91

AVSS 92

VSS 93

P73/AN3/ADTRG/INT4 ↔ 94

P72/AN2/INT3 ↔ 95

P71/AN1 ↔ 96

P70/AN0 ↔ 97

P122/INT2/TB2IN ↔ 98

P121/INT1/TB1IN ↔ 99

P120/INT0/TB0IN ↔ 100

M37920S4CGP

50 ↔ D5

49 ↔ D6

48 ↔ D7

47 ↔ P20/D8

46 ↔ P21/D9

45 ↔ P22/D10

44 ↔ P23/D11

43 ↔ P24/D12

42 ↔ P25/D13

41 ↔ P26/D14

40 ↔ P27/D15

39 VCC

38 → XOUT

37 ← XIN

36 VSS

35 ← MD0

34 ← RESET

33 ← NMI

32 ← BYTE

31 ↔ P30/RDY

Outline 100P6S-A

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