We use mmc3 to turn on the SD card on our development board. Since there is no SD slot installed, we connected the SD card slot to the relevant pins in the M.2 KEY-E interface by flying wires, but failed. We don’t know if this is a conflict between SD card and emmc?
Emmc on NX is using sdmmc4, while sdcard is on sdmmc3. These two shouldn’t affect each other.
Did you follow the SD Card Connection Example in product design guide to do the rework?
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