FAT文件系统原理，对编写SD卡的FAT文件系统驱动有帮助-Principle of the FAT file system, the FAT file system write SD card driver

W861388 sd卡的驱动器件的说明手册-W861388 sd card drive device instruction manual

一个关于音频播放的fpga驱动代码。流程是从sd卡中读取音频文件，然后缓存到DDR中，再通过一定的时序关系让音频WM8731芯片播放-An audio playback on fpga driver code. The process is to read audio files from sd card and then cached to DDR, and then through a certain timing relationships allow playback of audio

SD卡的SPI驱动需要研究的内容，比较适合初学单片机的同学-SDcard