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HI , i wanted Interface STM32F401RE nucleo To SDIO_4_ bit+Fatfs , SD card Can anyone help me to construct the Hardware Circuit.for this??????

Bnaga
Associate II
 
2 REPLIES 2

https://www.waveshare.com/micro-sd-storage-board.htm or equivalent

The SDIO pins are at the north end of the two connectors

PC8 D0

PC9 D1

PC10 D2

PC11 D3

PC12 CLK

PD2 CMD

3V

GND

33K or 47K pull-ups on Dx and CMD pins (socket above has these, bare sockets won't)

Could use one of the other near GPIO for card detect.

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Hi sir,

I used 4.7k , 20 k , 47 k, with using an jumper wires connections with stm32f401re nucleo board, but i am not able to find the SD CARD MOUNT IN PC .......

I GENERATED THE CODE AS PER ST CUBE MX..

I USED SDIO+FATFS MW FOR MY PROJECT..

GUIDE ME TO DO FURTHER I WILL REFER YOUR REFRENCES ALSO .

THANK YOU FOR SUPPORTS