关于GPIO学习的例子，非常经典

lpc 2294 example blink led eclipse

通过RS485端口不停地发送数据0xaa,用示波器观察RS485端口A、B信号线上的波形或者用RS485接收器接收发送的字符。-Through the RS485 port to send data continuously 0xaa, use oscilloscope to observe RS485 ports A, B signal waveform online or send RS485 receiver to receive characters.

SDT集成开发环境下的 基于S3C44B0的DMA控制源代码，源于Samsung提供的源代码，分开后便于学习-SDT integrated development environment based on the S3C44B0 DMA control source code from Samsung to provide the source code, the separation easy learning

周立功公司开发的单片机手册，具体的数据手册见周立功网站下载。-Week Ligong Singlechip developed manual, the specific data manual see Zhou Ligong website.

本示例说明如何编程 STM32F4xx FLASH。后重置，闪存程序/拭除控制器已被锁定。若要解除锁定，使用 FLASH_Unlock 函数。在编程所需的地址之前, 使用闪存擦除部门功能执行擦除操作。擦除过程从开始的扇区，用于的数计算。然后所有这些部门将拭除一个接一个通过调用 FLASH_EraseSector 函数。此操作完成后，将通过使用 FLASH_ProgramWord 函数执行编程操作。写入的数据，则检查和编程操作的结果存储到 MemoryProgramStatus 变量。

AVR试验板程序,有LED,键盘和串口的程序-AVR test board procedures have LED, keyboard and serial procedures

hjtag很详细的使用文档出自twentyone的手笔，下载看一下很有帮助，帮助你使用这个功能很强大的软件进行调试开发-the document of htag is very useful its writed by the author of hjtag tentyone so read it and have fun

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ti-tms320f2812. 很好的东东。找了很久。很有收获。先传上给大家用-ti-tms320f2812. Dongdong good. Looking for a long time. Great harvest. Chuan on first use to the U.S.

天嵌SKY2440，核心板和底板的原理图和PCB图，用protel99打开-Days embedded SKY2440, core boards and backplanes and PCB schematic diagram, with protel99 Open