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Graduate II
July 10, 2025
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LPUART_ RTOR ?

  • July 10, 2025
  • 2 replies
  • 495 views

In the RM0456, the LPUART has a block diagram (67.4.1) with a register called LPUART_ RTOR but there is no documentation about this register. For USART, this register is related to Receiver timeout interrupt but this feature is not available for LPUART.

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    Best answer by KDJEM.1

    Hello @nicolas ;

     

    Thank you for bringing this issue to our attention.

    I reported internally for checking.

    Internal ticket number: 213876 (This is an internal tracking number and is not accessible or usable by customers).

     

    Thank you.

    Kaouthar

    2 replies

    KDJEM.1Answer
    Technical Moderator
    July 10, 2025

    Hello @nicolas ;

     

    Thank you for bringing this issue to our attention.

    I reported internally for checking.

    Internal ticket number: 213876 (This is an internal tracking number and is not accessible or usable by customers).

     

    Thank you.

    Kaouthar

    ST Employee
    July 10, 2025

    Hi @nicolas 
    I confirm Receiver Timeout feature is not supported on LPUART instance on U5, as stated in 67.3, making the RTOR register not relevant for LPUART.

    GuenaelCadier_0-1752141714640.png

    Even if register might be present in peripheral, it cannot be used.