About MSugi.1

MSugi.1 · 2021-12-20

I'm thinking of getting STM32H743 to work Wi-Fi module via uSD.However since I can not get my Wi-Fi module responding I start questioning my design.SDMMC POWER.DIPOL control but can change the polarity of CIDR, D0DIR, D123DIR,Is there a way to chang...

MSugi.1 · 2021-12-20

Hi,Using the code generated by Cubemx, you are trying to work with the Wi-Fi module via USDSince I failed with the SDIO initialization function, I found that the I/O direction of the CDIR when sending CMD was reversed as a result of investigation.Sim...

MSugi.1 · 2021-12-20

I'm sorryI want to control H / L individually, not polarity.Is that possible?

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STM32H743 (I/O direction control of SDMMC CMD signal)

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