Datasheet > AT89C55

AT89C55

更新时间： 2024-02-03 15:40:19

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存微控制器
页数	文件大小	规格书
24页	608K
描述
8-Bit Microcontroller with 20K Bytes Flash

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AT89C55 数据手册

AT89C55

Features

• Compatible with MCS-51™ Products

• 20K Bytes of In-System Reprogrammable Flash Memory

– Endurance: 1,000 Write/Erase Cycles

• Fully Static Operation: 0 Hz to 33 MHz

• Three-Level Program Memory Lock

• 256 x 8-bit Internal RAM

• 32 Programmable I/O Lines

• Three 16-bit Timer/Counters

• Eight Interrupt Sources

• Low Power Idle and Power Down Modes

8-Bit

Microcontroller

with 20K Bytes

Flash

Description

The AT89C55 is a low-power, high-performance CMOS 8-bit microcomputer with 20K

bytes of Flash programmable and erasable read only memory. The device is manu-

factured using Atmel’s high density nonvolatile memory technology and is compatible

with the industry standard 80C51 instruction set and pinout. The on-chip Flash allows

the program memory to be reprogrammed in-system or by a conventional nonvolatile

memory programmer. By combining a versatile 8-bit CPU with Flash on a monolithic

chip, the Atmel AT89C55 is a powerful microcomputer which provides a highly flexible

and cost effective solution to many embedded control applications.

AT89C55

(continued)

PDIP

Pin Configurations

PQFP/TQFP

PLCC

0580D-A–12/97

4-169

12 3 4 5 6 7...24

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型号	品牌	获取价格	描述	数据表
AT89C55-12AA	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, TQFP-4
AT89C55-12AC	ETC	获取价格	8-Bit Microcontroller
AT89C55-12AI	ETC	获取价格	8-Bit Microcontroller
AT89C55-12JA	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PQCC44, PLASTIC, MS-047AC, LCC-44
AT89C55-12JC	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PQCC44, PLASTIC, MS-047AC, LCC-44
AT89C55-12JI	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 8051 CPU, 25MHz, CMOS, PQCC44, PLASTIC, MS-047AC, LCC-44
AT89C55-12PA	ETC	获取价格	8-Bit Microcontroller
AT89C55-12PC	ETC	获取价格	8-Bit Microcontroller
AT89C55-12PI	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, DIP-40
AT89C55-12QA	ETC	获取价格	8-Bit Microcontroller