WIN2000 版本JTAG使用说明，很详细，很有用

SC44B0的测试程序，此程序为4*4键盘的测试程序，基于扫描式读取键值并在LED上显示。-SC44B0 testing procedures, the procedures for the 4* 4 keyboard testing procedures based on scan-read keys on the LED display.

sdconfig.h: 该文件为SD卡读写模块配置头文件，用户可根据实际硬件条件进行修改. SD目录 : SD卡读写模块的全部文件,一般不用修改. 建议sdconfig.h文件不要放于SD目录中，因为SD目录中的文件一般无须修改,而sdconfig.h通常会有改动. -sdconfig.h: The document for the SD card reader module configuration header files, the user hardware according to actual conditions can be modified. SD directory: SD card reader module all the documents, the general need not be amended. sdconfig.h document recommends not to put in SD directory, because the SD files in the directory are not normally required to be amended and the changes are usually sdconfig.h.

1.单机自发自收串行通信。接收键入字符，从8251A的发送端发送，与同一个8251A的接收端接收，然后在屏幕上显示出来。 2.双机串行通信，在一台PC机键入字符，从8251A的发送端发送给另一台PC机，另一台PC机的 8251A的接收端接收，然后在屏幕上显示出来。 -1. Since the resumption of spontaneous stand-alone serial communication. Type the characters receive from the sending end to send the 8251A, 8251A with the receiving end of a receiver, and then displayed on the screen. 2. Dual serial communication, in a PC-type characters, from the sending end 8251A sent to another PC, another PC-8251A to receive the receiving end, and then displayed on the screen.

ARM7-s3c44b0x中文资料,对初学ARM的朋友有帮助-ARM7-s3c44b0x Chinese information on the ARM beginner friends help

LPC23XX系列GPIO工程文件加源代码，直接可用。-LPC23XX Series GPIO project file plus source code, can be used directly.

基于AT91SAM7SE512cpu的flash访问例子，开发工具是IAR4_31A-Visit the flash-based AT91SAM7SE512cpu example, development tools is IAR4_31A

s3c2440上led驱动试验 很经典的 稍作改动就可以借用了-s3c2440 on the classic experiment led drive to make a minor can be borrowed! !

这是LPC2119/2129/2292/2294通用的SPI通讯程序，供大家参考。直接可以使用。-This is LPC2119/2129/2292/2294 generic SPI communication procedures, for your reference. Can be used directly.

EasyARM2131开发板源码之一----------- 3．GPIO输出实验－流水灯实验-EasyARM2131 one source development board----------- 3. GPIO output experiment- water Lights

JIYU AT91SAM7X256的CAN 接口协议的转换的驱动代码实现-JIYU AT91SAM7X256 CAN-interface protocol to achieve the conversion of the driver code