[已解决] ESP32-S3R8V sdmmc初始化失败

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w000ng
Posts: 5
Joined: Tue Feb 15, 2022 4:04 am

[已解决] ESP32-S3R8V sdmmc初始化失败

Postby w000ng » Tue Feb 15, 2022 4:10 am

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
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Last edited by w000ng on Tue Feb 15, 2022 11:15 am, edited 1 time in total.
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w000ng
Posts: 5
Joined: Tue Feb 15, 2022 4:04 am

Re: ESP32-S3R8V sdmmc初始化失败

Postby w000ng » Tue Feb 15, 2022 11:14 am

已经解决，R8V的GPIO47/48是1.8V电压阈，导致SD无法正常工作
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