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.

SD卡的相关资料关于SD卡的读于写的操作，及其原理结构-Relevant information on the SD card SD card read in the write operation, and the principle structure

该文档介绍了SD卡的一般原理及相关结构，包括IO口的介绍等，文档内部赋有SD相关的Atmega128单片机读写程序，希望对你有帮助-This document describes the general principles of the SD card and related structures, including the introduction of IO port within the document are endowed with SD Related Atmega128 mi