This is a Freescale microcontroller QG8 the SPI module, this module enables high

控制步进电机正转，如：p3.2正转,p3.3反转,p3.4停止 步进电机接p1.0p1.1p1.2p1.3，正转，反转各3圈，正反快慢功能，是步进机的经典程序。-Stepper motor control is transferred, such as: p3.2 is transferred, p3.3 inversion, p3.4 stop stepper motor then p1.0p1.1p1.2p1.3, is turn, reversal of the 3 lap, both positive and negative speed function, is a classic step process machine.

一个LCD显示程序，和一个LCD显示程序的有关电路连接方式-An LCD display program, and an LCD display program on the circuit connection

一个红外解码的源程序~用来解码大多数的红外线遥控编码~-An infrared source ~ used to decode decoded most of the infrared remote control codes ~

c8051f020里面自带的温度传感器的使用程序，经调试通过。-C8051F020 own temperature sensor inside the use of procedures adopted by the debugger.

单片机的24C02读写程序,使用Keil c编译器测试正常。-the 24C02 microcontroller literacy, the use of Keil c compiler tests are normal.

MCS―51单片机系统扩展 简单的并行接口由数据寄存器和少量的控制电路组成，暂存传送的数据。以锁存器、缓冲器为主要芯片，稍加控制都可以作为简单的并行接口.-MCS-51 single-chip microcomputer system to expand a simple parallel interface from the data register and a small number of control circuit components, temporary storage of data transmission. To latches, buffers as the main chip, a little control can be used as a simple parallel interface.

利用单片机实现RS485多机通信程序示例-use MCU RS485 multi-machine communication program examples

基于ＰＩＣ１６单片机的门铃控制程序，已经通过编译-Based on the PIC16 MCU doorbell control procedures have been adopted by the compiler

按键控制发光二极管熄灭，基于凌阳单片机开发 -Button control LED is off, Sunplus based on single-chip development

i2c硬件通信例程，lpc922单片机，可以完成y与eeprom的通信！-i2c hardware communication routines, lpc922 single-chip, to be completed y the communication with the EEPROM!