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NiM
Associate III
Jul 17, 2025 7:58 AM UTC
Solved

STM32H743XGH6 PLL1 DIVP1: Is divide by 1 possible?

Is it possible to divide by 1 for DIVP of PLL1?

According to RM0433 Rev8, DIVP of PLL1 is capable of dividing by 1.
However, I could not set division by 1 in CubeIDE. (It is possible that my setting is incorrect.)

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Andrew Neil
Andrew NeilBest answer
Super User
Jul 17, 2025 9:20 AM UTC

https://community.st.com/t5/stm32cubemx-mcus/stm32h753-clock-configuration-divp1-drop-down-can-not-be-set-to/td-p/235007

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
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3 replies

Andrew Neil
Andrew NeilBest answer
Super User
Jul 17, 2025 9:20 AM UTC

https://community.st.com/t5/stm32cubemx-mcus/stm32h753-clock-configuration-divp1-drop-down-can-not-be-set-to/td-p/235007

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
    NiMAuthor
    Associate III
    Jul 18, 2025 2:16 AM UTC

    Thank you very much.
    It was very helpful.

    It was the very answer I wanted to know.

      mƎALLEm
      mƎALLEm
      ST Technical Moderator
      Jul 17, 2025 9:27 AM UTC

      Hello,

      You need to provide your ioc file.

      How to write your question to maximize your chances to find a solution

       

      To give better visibility on the answered topics, please click "Best answer" on the reply which solved your issue or answered your question.
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