Based on mc9s12dg128b, time catcher of the sample code

这是一个芯片资料,可以为单片机初学者提供一个认识芯片的文档.对学习单片机的同学有帮助-This is a chip data, we can provide an understanding of single-chip chip beginners document. MCU learning students have to help

单片机控制步进电机启动停止，正反转以及转速。proteus+keil.(由于大小不够，还加入了RS485在单片机多机通信中的应用，用到RS485接口芯片max487)-keil+proteus+motorstepper

PIC18（现在PIC18的下载资源太少了）的马达速度测试程序。-PIC18 (download now PIC18 too few resources) and motor speed test program.

c8051f的IIC读取eeprom,有很好的程序结构，具有通用性，经修改后能用在任何单片机中的IIC操作中-c8051f eeprom read the IIC, a very good program structure is universal, , as amended, can be used in any single-chip-IIC operation

基于C51的充气泵控制系统程序源码，可以实现精确控制-C51-based control system for inflatable pump source program, can achieve precise control

51单片机的编程规范，对初学51编程有帮助。-51 microcontroller programming norms for beginners 51 programming help.

：章介绍了数据采集系统中STC12系列单片机与PC机之间的串行通信。设计了sTc12c2052AD 与 MAX232的硬件电路，使用汇编语言编程，设置了串行1：7的工作方式，相应的波特率计算方法及特点，发送并接 收数据。单片机从EEPROM 中读取数据，通过R．S-232将其传入PC，并将数据存储在24C02中。-: Chapter introduces data acquisition system STC12 Series MCU and PC serial communication between machines. Designed sTc12c2052AD with MAX232 hardware circuit, the use of assembly language programming, set up the way the work of serial 1:7, the corresponding baud rate calculation method and the characteristics of sending and receiving data. Single-chip EEPROM read data from, by R. S-232 to incoming PC, and data storage in the 24C02.

8051单片机与PC宿主机通信的源代码，包含8051的汇编代码及PC机的C代码。-8051 Communication with the PC Host source code, including the 8051 assembly code and the PC-C code.

红外线遥控的相关代码及主控芯片的参考资料-Infrared remote control code and master the relevant reference chip

串口是单片机重要的功能部件，通过简单的串口编程，让初学者进入16单片机的世界-Serial single-chip are the essential features through a simple serial port programming, so that beginners to enter the world of single-chip 16