AT89C51是一种带 4K 字节FLASH 存储器 （FPE ROM —Flash Programmable and Erasable Read Only Memory）的低电压、高性能 CMOS 8位 微处理器 ，俗称单片机。

2012年12月19日 · 本文详细介绍了at89c51单片机的主要特性，包括与mcs-51指令集兼容、4k字节可编程闪烁存储器、全静态工作等。 同时，阐述了其管脚说明、振荡器特性以及芯片擦除过程，为初学者提供了清晰的理解路径。

The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash programmable and erasable read only memory (PEROM). The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set and pinout. The on-chip

2021年11月20日 · AT89C51是一种带4K字节闪烁可编程可擦除只读存储器（FPEROM—Falsh Programmable and Erasable Read Only Memory）的低电压，高性能CMOS8位微处理器，俗称单片机。AT89C2051是一种带2K字节闪烁可编程可擦除只读存储器的单片机。单片机的可擦除只读存储器可以反复擦除100次。该 ...

Low-power, high-performance CMOS 8-bit microcontroller with 32KB of flash programmable ROM and 512 bytes of RAM. It uses Microchip high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 and 80C52 instruction set a ...

The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash Programmable and Erasable Read Only Memory (PEROM). The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the industry standard MCS-51™ instruction set and pinout.

89S51 就是在这样的背景下取代89C51的，89S51已经成为了实际应用市场上新的宠儿，作为 市场占有率 第一的Atmel公司已经停产AT89C51，将用AT89S51代替。89S51在工艺上进行了改进，89S51采用0.35新工艺，成本降低，而且将功能提升，增加了竞争力。

The Atmel AT89C51 is an 8051-based Fullly Static 24MHz CMOS controller with 32 I/O Lines, 2 Timers/Counters, 6 Interrupts/2 Priority Levels, UART, Three-Level Program Memory Lock, 4K Bytes Flash Memory, 128 Bytes On-chip RAM.

2018年5月14日 · AT89C51 is an age old 8-bit microcontroller from the Atmel family. It works with the popular 8051 architecture and hence is used by most beginners till date.

2019年12月17日 · AT89C51是一种带4K字节闪烁可编程可擦除只读存储器（FPEROM—Falsh Programmable and Erasable Read Only Memory）的低电压，高性能CMOS8位微处理器，俗称单片机。 该器件采用ATMEL高密度非易失存储器制造技术制造，与工业标准的MCS-51指令集和输出 …