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MAndr.233
Associate II
April 16, 2020
Solved

Nucleo-L433RC-P doesn't contains SDIO (SDMMC connectivity) on CubeMX

  • April 16, 2020
  • 3 replies
  • 1038 views

Hi,

I designed a small board with STM32L433RCT6 MCU because in addition to meeting my requirements it also has SDIO. I've confirmed this in reference manual and in CUBEMx. While I was waiting for my board, I bought a Nucelo-L433RC to start develop some code. For my surprise, when I chose this board in CubeMx the SDIO doesn't appear on Connectivity section.

Any one knows how can I fix or mitigate this problem?

Thanks in advance

This topic has been closed for replies.
Best answer by Tesla DeLorean

The STM32L433RCT6P lacks the PD2 pin all the top/bottom side pins are shifted for VDD12

https://www.st.com/resource/en/datasheet/stm32l433rc.pdf

See Fig 8 vs Fig 9 in Rev 5 datasheet

3 replies

Tesla DeLorean
Guru
April 16, 2020

Might be a bug, but a lot of us don't have our hands bound by automated tools.

Try checking pin associativity for PD2, PC8 thru 12, and see what lights up.

You can always port the HAL code across

#TakeTheRedPill

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Khouloud ZEMMELI
ST Employee
April 16, 2020

Hello @Community member​ ,

Yes , SDMMC interface are not supported by 64-pin packages with SMPS option.. so sadly this board does not contain SDMMC

Regards,

Khouloud

MAndr.233
MAndr.233Author
Associate II
April 16, 2020

Thank you both @Community member​  and @Khouloud ZEMMELI​ .

@Khouloud ZEMMELI​ so, If I understand it's only the Nucleo Board which does not have, due to SMPS. But STM32L433RCT6 64-pin package has?

Best Regards

Tesla DeLorean
Tesla DeLoreanBest answer
Guru
April 16, 2020

The STM32L433RCT6P lacks the PD2 pin all the top/bottom side pins are shifted for VDD12

https://www.st.com/resource/en/datasheet/stm32l433rc.pdf

See Fig 8 vs Fig 9 in Rev 5 datasheet

Tips, Buy me a coffee, or three.. PayPal VenmoUp vote any posts that you find helpful, it shows what's working..