Datasheet > 89C52

89C52

更新时间： 2022-11-26 05:44:55

品牌	Logo	应用领域
美国芯成 - ISSI		闪存微控制器
页数	文件大小	规格书
50页	427K
描述
CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH

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89C52 数据手册

ISSI

IS89C52

ISSI

IS89C52

CMOS SINGLE CHIP

NOVEMBER 1998

8-BIT MICROCONTROLLER

with 8-Kbytes of FLASH

FEATURES

GENERAL DESCRIPTION

The ISSI IS89C52 is a high-performance microcontroller

fabricated using high-density CMOS technology. The

CMOS IS89C52 is functionally compatible with the

industry standard 80C51 microcontrollers.

• 80C51 based architecture

• 8-Kbytes of on-chip Reprogrammable Flash

Memory

• 256 x 8 RAM

The IS89C52 is designed with 8-Kbytes of Flash

memory, 258x8RAM;32programmableI/Olines;aserial

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

expansionorfullduplexUART;three16-bittimer/counters;

an eight-source, two-priority-level, nested interrupt

structure; and an on-chip oscillator and clock circuit. The

IS89C52canbeexpandedusingstandardTTLcompatible

memory.

• Three 16-bit Timer/Counters

• Full duplex serial channel

• Boolean processor

• Four 8-bit I/O ports, 32 I/O lines

• Memory addressing capability

– 64K ROM and 64K RAM

• Program memory lock

– Lock bits (3)

• Power save modes:

– Idle and power-down

T2/P1.0

T2EX/P1.1

P1.2

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

• Eight interrupt sources

• Most instructions execute in 0.3 µs

• CMOS and TTL compatible

P1.3

P1.4

• Maximum speed: 40 MHz @ Vcc = 5V

• Industrial temperature available

P1.5

P1.6

• Packages available:

– 40-pin DIP

P1.7

RST

– 44-pin PLCC

– 44-pin PQFP

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. IS89C52 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

MC013-1C

11/21/98

12 3 4 5 6 7...50

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