闪存U盘开发电路图和固件程序-flash circuit and firmware development process

U盘和MP3上用的Fat文件系统源码，已经在我的系统中实现-U disk and MP3 use the Fat file system source code had been in my system realize

U盘读写协议:我开发U盘的重要参考代码。 bulk_only传输协议，FAT16文件系统.-U disk read and write an agreement: I developed an important reference U disk code. bulk_only Transfer Protocol, FAT16 file system.