介绍51 单片机与SD 卡的接口设计原理, 以及FAT32 文件系统的设计和应用程序控制SD 卡读写操作的实现。-Introduced 51 single-chip interface and SD card design principle, as well as the FAT32 file system design and application control the operation of SD card reader to achieve.

51单片机与SD卡接口设计，单片机与接口技术。-51 and SD card interface design, microprocessor and interface technology.