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July 25, 2024
Question

FDCAN_CCCR.Init bit is not getting cleared STM32H7S7L8H6H

  • July 25, 2024
  • 1 reply
  • 747 views

I was trying to use FDCAN when I came across a problem where FDCAN_CCCR.Init bit is not getting cleared. The CCE bit gets cleared when setting INIT to 0, but INIT stays unchanged. Any ideas what could be wrong? I came across this topic where they had same issue with STM32H7 series. 

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    1 reply

    Technical Moderator
    August 21, 2024

    Hello,

    Are you using HAL? If not, try to follow the register call sequence in it.

    Maybe your call sequence of the registers is not good.