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aj992
Visitor II
February 25, 2024
Solved

How do I enable ltdc_aclk? STM32H745XIH6

  • February 25, 2024
  • 1 reply
  • 842 views

I'm configuring the LTDC and I'm not sure where/how I enable the ltdc_aclk. I've enabled ltdc_plck in RCC->APB3ENR and I've configured PLL3R for the kernel/pixel clock but I cannot for the life of me find any info on how/where to enable ltdc_aclk so I'm unable to modify any of the registers in this clock domain.

 

I'm using the STM32H745i-DISCO dev board.

clocks.png

clocks2.png

    This topic has been closed for replies.
    Best answer by Imen.D

    Hello @aj992,

    The LTDC AXI clock is set by default, as it is the clock of matrix bus.
    For LTDC, there is the LTDCEN bit to set.

    ImenD_0-1709148335532.png

     

    1 reply

    I
    Imen.DAnswer
    Technical Moderator
    February 28, 2024

    Hello @aj992,

    The LTDC AXI clock is set by default, as it is the clock of matrix bus.
    For LTDC, there is the LTDCEN bit to set.

    ImenD_0-1709148335532.png

     

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