基于 AT89C52单片机的 SD卡读写设计 描述比较详细-Based on AT89C52 Microcontroller SD card reader a more detailed design descr iption

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

文件管理芯片376用于单片机读写U盘和SD卡操作，主要介绍了如何与376固件程序通讯通讯，实现文件操作。-File management control chip 376 can be used for microcontroller U disk SD card file operation, mainly to complete how to communicate with 376 firmware.