周立功－SDMMC卡读写模块,LPX-214-ZHOU Li-gong-SDMMC card reader module, LPX-214

sd_卡读写c8051版本_简单入门版__无文件系统-sd_ simple card reader c8051 Starter Edition version

SD模拟一个串口，SPI进行读写功能，附带原理图，很实用的，方便直接调用。-SD simulate a serial, SPI read and write functions, with schematics, very practical, convenient and direct calls.