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89C55 PDF预览

89C55

更新时间: 2022-11-29 01:57:11
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

89C55 数据手册

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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  

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