Ah, I make this a while ago, at that time, faint, SD card example using verilog do seldom online, I was looking for a lot of C language, mainly know the order of sending command and control process, you can just do SPI part, using the C program to send the command sequence, the SD card initialization, extract the SD carter register as you don t succeed, in fact, as long as SPI timing problem, generally no problem, then use Winhex see your SD card FAT system, online learning with data, to calculate arithmetic, after SD card should be able to do it directly, speaking, reading and writing, but to read and write at random SD card workload is too big, I haven t the courage

Verilog for SDcard.rtf

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