STM32是以Cortex-M3为核的处理器，该例程介绍STM32下如何对系统时钟进行操作。系统时钟提供了精确的定时，如实时操作系统就是依靠这个来定时的。-Cortex-M3 based STM32-core processor for the routine introduction STM32 how to operate on the system clock. System clock provides a precise timing, such as real-time operating system is to rely on this timing.

ARM9芯片S3C2440的串口测试程序，亲测可用

MMC读写仿真，使用飞利浦芯片lpc2132-Read and write MMC simulation, using the Philips chip lpc2132

LED16灯来回慢闪渐快闪反之快闪渐慢闪-LED16 lights flash back and forth slowly becoming gradually slower flash flash flash the other hand

华恒的LCD控制板的原理图和PCB，吐血推荐！-huaheng LCD panels of schematic and PCB, vomiting blood recommend!

在阳初2410开发板移植U-Boot1.2.0的详细笔记，本人按照这个笔记在SMDK2410的开发板上通过测试。-In the beginning of 2410 development board yang transplantation of the U-Boot1.2.0 detailed notes, I SMDK2410 according to the notes in the development of on-board to pass the test.

4*4键盘控制程序 //分三个部分，数字键部分，小数点，方向键部分，功能键(ok)部分。可以在不同的页面调// //用相应的功能实现菜单操作。 方向键部分///////////////////////////////////// //无返回值，无输入参数，用到全局变量page_number,xposition,yposition,scroll_value// -4* 4 keyboard control program// is divided into three parts, part number keys, decimal point, the arrow keys of the function keys (ok) part. Can be adjusted in different page//// using the corresponding menu realize the functions of the operation. Part of the arrow keys /////////////////////////////////////// no return value, no input parameters, use global variables page_number, xposition, yposition, scroll_value//

ARM汇编指令集,全，容易理解，条理清晰-ARM instruction set to compile the whole, easy to understand, the clarity of

键盘，显示器接口管理芯片HD7279的应用源代码-Keyboard, display interface management chip HD7279 application source code

在ＡＲＭ２４１０支持汇编指令集，可在Ｓ３Ｃ２４１０上运行．-ARM2410 support in the compilation instructions, the S3C2410 running.