这是一个测试程序，有51个。

CYGNAL单片机，C8051FXXX应用例程3-CYGNAL microcontroller, C8051FXXX routines 3

单片机并口扩展芯片8255A源码，内服仿真文件和说明文件-Single-chip parallel port expansion 8255A chip source, internal simulation files and documentation

凌阳单片机的语音程序2，供学习凌阳单片机的学习者参考-Sunplus SCM voice two procedures for learning Sunplus SCM reference learners

基于msp430单片机的1602液晶时钟程序,并带有可调日期-Based on MSP430 MCU 1602 LCD clock procedures, and with adjustable date

7541数字高频头源程序，7541数字高频头源程序-7541 digital tuner source, 7541 the first digital high-frequency source

51+sl811读写U盘的源程序＋原理图。想用51完成U盘读写的网友可参考参考。-51 sl811 reader of the source disk U+ diagram. With 51 to complete U-reader may refer to the website reference.

单片机usb2.0通讯-the conmunication of MCU by USB2.0

步进电机程序，用l297 l298作为驱动电路的，程序比较简单，但是能对mcs-51中断有个详细认识-Stepper motor program l297 l298 as a driving circuit, the procedure is relatively simple, but can be interrupted for mcs-51 has a detailed understanding of

Msp430的flash读写文件配置文件，(msp430f427芯片)-MSP430

摩托车的步进电机驱动。用的是LPC900系列单片机的RTC定时器，虽然简单，但足以说明问题。-motorcycle stepper motor driver. The LPC900 Series is the RTC timer, although simple, but enough to illustrate the problem.