用at89s52访问PDIUSBD12(USB协议）

以个C51编写的完整函数集，包括时钟，LCD，语音芯片-- C51 to prepare a complete function set, including clocks, LCD, voice chip

由单片机89c2051模拟IIC和ZLG7290实现键盘的识别驱动程序。-89C2051 simulated by the single-chip IIC and realize ZLG7290 identification of the keyboard driver.

使用结构体形式编写的串行通信的例程，供需要的人参考-Using the structure prepared in the form of serial communication routines for those who need it for reference

C8051F32X的usb鼠标例程，c语言编写，包含完整的通信协议-C8051F32X the usb mouse routines, c language, contains a complete communication protocol

通信工程系专业综合设计C51单片机的键盘去抖程序,-communications professional engineering design C51 microcontroller integrated keyboard Tremble procedures,

该程序是单片机ATMEGA103通过GPIO口模拟SPI总线协议的SPI读写函数-The program is through the GPIO port ATMEGA103 Singlechip simulation SPI bus protocol of the SPI read and write function

c8051f340 windowsxp API

ucos-11在51上的移植-CENTER-11 of the 51 transplant

Philips单片机P89C51RD和西门子Profibus工业总线的接口程序,硬件是鼎实公司的实验板,使用的鼎实公司的总线桥.-Siemens Profibus and Industrial Access Bus export procedures, hardware Teijitsu board of the company, using the company"s Teijitsu Bus Bridge.

一个用PROTEUS仿真可以播放音乐的程序，包括PROTEUS文件和KEIL文件