i.MX Processors中的主题 usdhc1 sd card detection issue using RT1176 iMX processor

usdhc1 sd card detection issue using RT1176 iMX processor

972794 — Fri, 13 Oct 2023 14:29:03 GMT

we have used usdhc1 for sd card storage purpose in our application .

NVCC_SD1 - Directly powered with 3.3v from supply.USDHC1 is intercfaceing with SD Card and we are facing card detection issue so we have used detect pin from Data3/CD pin or GPIO also giving provision.please help this issue to solve.

Re: usdhc1 sd card detection issue using RT1176 iMX processor

jingpan — Mon, 16 Oct 2023 02:06:07 GMT

Hi @972794 ,

You can refer to RT1176-EVK for how to use gpio to detect SD card. The SD card demos also show how to do it in software.

Regards,

Jing

Re: usdhc1 sd card detection issue using RT1176 iMX processor

972794 — Sun, 22 Oct 2023 08:51:05 GMT

Thanks you for your valuable reply now SD card is working.