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STM32L4x6 RM0351 SDMMC Anomally

Question asked by Clive Two.Zero on May 30, 2018
Latest reply on Jun 1, 2018 by Clive Two.Zero

RM0351 Rev 6 (also in Rev 5)

http://www.st.com/content/ccc/resource/technical/document/reference_manual/02/35/09/0c/4f/f7/40/03/DM00083560.pdf/files/… 

 

Describes SDMMC_STA describes bit 9 as reserved, on other parts this is STBITERR, I have a NUCLEO-L476RG (CPUID 410FC241 DEVID 415 REVID 1007) where the SDIO/SDMMC is stuck in a timeout loop, and this bit is asserted.

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