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[已解决] ESP32-S3R8V sdmmc初始化失败

Posted: Tue Feb 15, 2022 4:10 am
by w000ng
初始化时报错:sdmmc_common: sdmmc_init_ocr: send_op_cond (1) returned 0x107
将芯片更换成ESP32-S3R8后,使用同样的软件,TF卡,初始化正常。
请问R8V需要额外配置什么吗,还是芯片bug
R8和R8V的log见附件

Re: ESP32-S3R8V sdmmc初始化失败

Posted: Tue Feb 15, 2022 11:14 am
by w000ng
已经解决,R8V的GPIO47/48是1.8V电压阈,导致SD无法正常工作