一份非常完整的51单片机与P/S2键盘的通信程序，含有大量注释，不错的。...

接触式IC卡的读写函数，IIC通信模式的源代码-Contactless IC card reader function, IIC communication model" s source code

单片机，C51实现的音乐代码,可在主函数中插入使用-fasdfdfgggs

这是用iar环境编译的程序， 主要适用于msp430f149单片机 程序的内容是模拟比较器。-This is used to compile the procedure iar environment, mainly applicable to MSP430F149 single-chip process is the analog comparator.

用485实现单片机之间的串行通信。 主机部分发送从机地址，等待从机响应，从机准备好就发数据,发完就接收从机的响应，接受成功就跳出循环，否则重发。-MCU with 485 Serial Communication between. Host of this address from the plane, waiting for the response from the plane, from the plane ready to discuss the data, finished on the reception of the response from the plane. set aside for recycling success, otherwise re-issued.

北京宁河电子提供的单片机驱动台湾群创的彩色TFT屏-Beijing Ninghe Singlechip drive electronics provide Taiwan Innolux color TFT screen

STK500_2下载器 M8 支持bootloader(带bootloader源码) 使用STK500_2 协议的ISP下载器，监控芯片 M8,数据通讯RS232.使用 ATMEL AVRStudio 4.xx STK500工具的进行软件升级。可通过ATMEL AVRStudio 4.xx STK500工具升级固件程序。升级方法：通过设定电压 即按“write voltage”按钮进入bootloader程序。 -M8 browser support STK500_2 download bootloader (with bootloader source code) to use the ISP to download STK500_2 agreements, and monitor chip M8, data communication RS232. Use ATMEL AVRStudio 4.xx STK500 tool for software upgrades. By ATMEL AVRStudio 4.xx STK500 firmware upgrade tool. Upgrade methods: by setting the voltage that is, according to

8051 VARIOUS UTILITY FUNCTIONSUTIL_ADCAD - Add Acc to DPTR, sets CYUTIL_ADCBAD - Add B/A to DPTR, sets CYUTIL_SUBBAD-8051 VARIOUS UTILITY FUNCTIONSUTIL_ADCAD- Add Acc to DPTR, sets CYUTIL_ADCBAD- Add B/A to DPTR, sets CYUTIL_SUBBAD

CF卡FAT for avr单片机 AVR atmega128 使用fat文件，IDE模式-CF card for avr AVR microcontroller atmega128 use fat document, IDE mode

用与Ｃ５１单片机的公历转农历主要思路与程序．汇编-Used with the C51 single-chip switch to the Lunar calendar of the main ideas and procedures. Compilation

51控制STA013实现MP3音频解码，实现了STA013的初始化、音量调节、静音、音质设置、声道控制。同时包含通过RS232串口控制LCD实现同步显示。代码经过调试，运行通过。