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reedomneck
Associate III
August 7, 2025
Question

STM32U545: MCU clock and ADC clock configuration

  • August 7, 2025
  • 1 reply
  • 284 views

Hello,

 

I'm using NUCLEO-U545RE-Q

NUCLEO-U545RE-Q evaluation board which has STM32U545 MCU.

I've requirement of running at 25Mhz frequency system clock and ADC to run at 25Khz sampling frequency.

 

 

1 reply

TDK
Super User
August 7, 2025

Is there a question? The chip can certainly do this. Configuration can be done within CubeMX. Use a timer to trigger ADC if you want a specific sampling rate.

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reedomneck
Associate III
August 7, 2025

My question is how do I configure MCU clock to 25Mhz and ADC sampling rate of 25,Khz