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SDIO support for STM32H7

PickaxeHit
Visitor

‎2024-10-04 10:42 PM

Hi, ST.

I want to know if the stm32h7(h750vb) series supports sdio? The spec sheet only describes the SDMMC peripheral (memory card etc.), but I want to use SDIO in my project to connect with esp32 to use WIFI (using esp-hosted library). I want to know if there is a way to achieve it?

Thanks!

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STTwo-32
ST Employee

‎2024-10-05 12:06 AM

Hello @PickaxeHit and welcome to the ST Community .

As you said the STM32H750VB integrate only 2 SDMMC interfaces. But if we go to the paragraph 3.39 of the DS12556, we can fin that the SDMMC support MMC,SD and SDIO card.

Best Regards.

STTwo-32 

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PickaxeHit
Visitor
In response to STTwo-32

‎2024-10-05 12:22 AM

Thanks for the explanation. That is it is possible to use the SDMMC peripheral to operate the SDIO bus normally and not just treat it as a storage device?

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