What is the timer clock frequency for STM32H755 chip ?

Hi,

What is the frequency of timer2 which is of 32 bit with prescaler value 0 for NUCLEO-H755 board and how to check it ?

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Best answer by mƎALLEm

Hello,

TIM2 kernel clock is generated from APB1:

From the reference manual:

In CubeMx:

That clock is devided with the timer prescaler

Senior III

You can check the clock and prescaler in STM32CubeIDE.

mƎALLEmBest answer

ST Technical Moderator

Hello,

TIM2 kernel clock is generated from APB1:

From the reference manual:

In CubeMx:

That clock is devided with the timer prescaler

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

Associate II

Thank you soo much

Guru

Divide it down and have in Toggle mode one of the TIMx_CHx pins associated with it.and measure it on a scope?

The clock tree should be usable to determine the base frequency.

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