DaVinciEVM,TI 达分奇原装板原理图，主要有DDR，ETHNET，HDD，POWER等设计图，内部丰富，结构完整，是设计者的参考资料-DaVinciEVM, TI Tatsu at odd original board schematic, there are DDR, ETHNET, HDD, POWER, such as design drawings, internal rich structural integrity, are the designers of referen

8bit ATMEL HDD(ATAPI) MP3 audio player-source and schematic

硬盘MP3原理图，有具体实现以及protel电路图以及代码，具体实现相信你一定有所收获。-HDD MP3 schematic, there are specific implementation and protel schematic and code,so i think you will I believe you will gain something.