arm写优盘源代码和原理图，有详细的源代码供大家参考-arm to write the source code and schematics, detailed source code for your reference

迷你2440原理图，封装库，官方网站上下载的，是友善之臂的资料，和mini2440开发板子一一对应-Mini 2440 schematic, package libraries, download the official website, is a friendly arm of the information, and correspond mini2440 development board