基于mega8系列单片机D12的开发实例【含源码】，含USB SD卡读卡器设计及源码。-Mega8 series of single-chip based on the development of D12 containing source】 【example, USB SD card reader with the design and source code.

振南高级外围设备之sd卡篇有关单片机操作SD卡和fat的应用-Chen Nan advanced peripheral equipment sd card application papers of the SCM operation of the SD card and fat