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MSipo
MSipo
Senior II
June 15, 2020
Question

Is it possible to have many different system clock configurations using STM32CubeMX?

  • June 15, 2020
  • 1 reply
  • 508 views

I would sometimes like to switch to a lower frequency to save power. Is it possible to have many different system clock configurations using STM32CubeMX?

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1 reply

berendi
berendi
Principal
June 15, 2020

No, as far as I know. The RCC chapter of the reference manual describes in detail how you can switch clock sources while running. Keep in mind that it is not possible to change PLL parameters while the system is running on PLL clock, you have to switch to another source first.

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