Datasheet > IS80C31

IS80C31

更新时间： 2024-11-20 22:33:39

品牌	Logo	应用领域
美国芯成 - ISSI		微控制器
页数	文件大小	规格书
43页	339K
描述
CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

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数据手册

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IS80C31 数据手册

IS80C51

IS80C31

ISSI

IS80C31

CMOS SINGLE CHIP

NOVEMBER 1998

8-BIT MICROCONTROLLER

FEATURES

GENERAL DESCRIPTION

The ISSI IS80C51 and IS80C31 are high-performance

microcontrollers fabricated using high-density CMOS

technology. The CMOS IS80C51/31 is functionally

compatible with the industry standard 80C51

microcontrollers.

• 80C51 based architecture

• 4K x 8 ROM (IS80C51 only)

• 128 x 8 RAM

• Two 16-bit Timer/Counters

• Full duplex serial channel

• Boolean processor

The IS80C51/31 is designed with 4K x 8 ROM (IS80C51

only); 128 x 8 RAM; 32 programmable I/O lines; a serial

I/O port for either multiprocessor communications, I/O

expansion or full duplex UART; two 16-bit timer/counters;

a six-source, two-priority-level, nested interrupt structure;

and an on-chip oscillator and clock circuit. The

IS80C51/31 can be expanded using standard TTL

compatible memory.

• Four 8-bit I/O ports, 32 I/O lines

• Memory addressing capability

– 64K ROM and 64K RAM

• Power save modes:

– Idle and power-down

• Six interrupt sources

• Most instructions execute in 0.3 µs

• CMOS and TTL compatible

• Maximum speed: 40 MHz @ Vcc = 5V

• Industrial temperature available

P1.0

P1.1

VCC

P0.0/AD0

P0.1/AD1

P0.2/AD2

P0.3/AD3

P0.4/AD4

P0.5/AD5

P0.6/AD6

P0.7/AD7

EA/VPP

• Packages available:

– 40-pin DIP

P1.2

P1.3

– 44-pin PLCC

– 44-pin PQFP

P1.4

P1.5

P1.6

P1.7

RST

RxD/P3.0

TxD/P3.1

INT0/P3.2

INT1/P3.3

T0/P3.4

T1/P3.5

WR/P3.6

RD/P3.7

XTAL2

XTAL1

GND

ALE/PROG

PSEN

P2.7/A15

P2.6/A14

P2.5/A13

P2.4/A12

P2.3/A11

P2.2/A10

P2.1/A9

P2.0/A8

Figure 1. IS80C51/31 Pin Configuration: 40-pin PDIP

ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which

Integrated Silicon Solution, Inc. — 1-800-379-4774

MC003-1D

11/19/98

12 3 4 5 6 7...43

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