avr单片机用的，有源代码，原理图（包括JTAG和STK500）

由8051组成的单片机系统通常情况下，P0口分时复用作为地址、数据总线，P2口提供A15-A8即高8位地址，P3口用作第二功能，只有P1口通常用作I/0口。P1口是8位准双向口，它的每一位都可独立地定义为输入或输出，因此既可作为8位的并行I/O口，也可作为8位的输入输出端。当工作在输入方式时，对应位的锁存器必须先置1,才能正确地读到引脚上的信号,否则,执行读引脚指令时,若对应位的锁存器的值为0，读的结果永远为0。-By 8051, composed of single-chip microcomputer system under normal circumstances, P0 timeshare I reuse as address, data bus, P2 I provide A15-A8 high eight address, P3 mouth for the second function, I usually only P1 for I/0 I. P1 I was eight quasi-two-way port, it can be independent of each and every defined as input or output, it can be used as 8-bit parallel I/O port, can also be used as 8-bit input and output side. When the work in the input, the corresponding bit latch must first buy one in order to correctly read the signal pin, or pin the implementation of reading instruction, if the corresponding bit latch the value of 0, Reading the results of Forever to 0.

cc2420发程序,用来实现发射功能,单片机采用msp430!-cc2420 the procedures used to achieve launch function, using SCM Controller!

ARM7 4510的BIOS启动代码!可以-ARM7 4510 BIOS boot code! Can Check

flow of ic design是一个很好的关于如何去设计ASIC的的教程，虽然是英文的，但是很容易看明白。是每一个想在EDA领域有作为的人都应看的教程！-flow of IC design is a good design on how the ASIC Guide, in English, but can easily understand this. Every one of the EDA to the field as a person should look at the handbook!

TP900掌机功能测试C源码大全（含开发头文件）-TP900 portable C source functional testing Guinness

schduler for AVR mcu

keil C51 Byte事例-Byte stories

P89V51RD2系列芯片是具有串口下载功能（ISP）和在KEIL中进行调试的功能（SOFTICE）。 新的芯片是ISP功能，通过FlashMagic 软件可以设置其为SOFTICE功能。 但要想回到ISP功能，则没有现成的好办法，只有通过编程器了。 但现在可以通过这个程序来恢复其ISP功能（禁止SOFTICE）。-P89V51RD2 series with the serial port chip is the ability to download (ISP) and the KEIL for debugging feature (SOFTICE). The new chip is the ISP, through FlashMagic software can be set to SOFTICE its function. However, to return to the ISP, there is no ready-made good, and that only through a programmer. But now through this procedure to restore its ISP (Prohibition SOFTICE).

用于接收红外摇控器和异步串行的8051单片机程序-for receiving infrared remote control and asynchronous serial 8051 of the procedures

飞思卡尔智能车摄像头组源代码。我们自己用的。包括摄像头采集和舵机、马达控制-Freescale" s Smart car camera source group