从中国学术期刊网上花钱下载的《51单片机与SD卡接口设计》，共享于pudn，供学习SD的朋友参考。-Online academic journals from China to spend money to download the " 51 single-chip design with the SD card interface," to share in pudn, for study and reference

51读写SD卡源程序 51读写SD卡源程序-MCU51 READ/WRITE SD CARD

51单片机读写SD卡程序,里面附带详细的讲解和注释。-Use 51 to read SD card.

51单片机读写sd卡方案，解决sd卡存储的最佳选择-51 microcontroller sd card reader options for resolving the best choice of the sd card storage