网上找到的PCF8563程序基本不能用 本程序基于51单片机，模拟了I2C接口，现已调试成功，可以做成万年历了...

8051单片机上的ucos-8051 on TRACK

IR识别程序,由INT0输入.适合51单片机.-IR identification procedures, INT0 input. MCU for 51.

基于51系列单片机的模数转换ADC0804的应用 正在学习单片机,编来-based on the 51 Series MCU ADC0804 analog-to-digital conversion applications are learning microcontroller series to try

Fairchild公司的二极管，三极管原理图库(protel)-sch.lib about Fairchild s Semiconductor(TTL)

这是一本关于Intel 80C51 以及广大的51 系列单片机的书这本书介绍给读者一些 新的技术使你的8051 工程和开发过程变得简单-This one of Intel 80C51, and the majority of the 51 Series MCU book on this book to give readers some new technology allows you to the 8051 project and the development process becomes simple

sst39sf040 serial flash 读写程序-sst39sf040 serial flash reading and writing procedures

CCS 最新版microchip PIC单片机的C语言开发工具。支持pic12/16/18系列单片机的新型号，16F883和16F9xx。-CCS latest version of microchip PIC MCU C language development tools. Support pic12/16/18 Series Singlechip new models, 16F883 and 16F9xx.

AVR单片机应用系统开发典型实例_4 -AVR Singlechip classic example of application systems development _4

1． 利用单片机内部的T0，T1计时计数器产生中断，并通过单片机最小系统按键产生外部中断，利用单片机中断系统闹钟的走时，调整及报数功能。-1. The use of single-chip within the T0, T1 timing counters generate an interrupt, and the smallest single-chip systems have external interrupt button, using single-chip system clock interrupt the travel time, and adjust the number of features reported.

arm7开发源代码杂集.包含有一些ARM7的开发代码-arm7 miscellaneous set of open source. contains a number of ARM7 Development Code