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PStor
Associate
May 31, 2019
Question

STM32H743 ADC clock configuration

  • May 31, 2019
  • 2 replies
  • 927 views

In RM 0433 on page 910 there is the following:

“1. The ADC clock can be a specific clock source, named adc_ker_ck_input which is

independent and asynchronous with the AHB clock.

It can be configured in the RCC (refer to RCC Section for more information on how to

generate the ADC clock (adc_ker_ck_input) dedicated clock).�?

 I didn’t find any information about configuring asynchronous ADC clock in RCC.  Information in   UM2217 explains only how to divide ADC asynchronous clock.

Please explain how is it possible to configure the asynchronous ADC clock in RCC using HAL or LL.

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2 replies

waclawek.jan
Super User
May 31, 2019

0690X000008aH9yQAE.png

JW

PStor
PStorAuthor
Associate
May 31, 2019

Good picture , but what about severel strings of code with ADC clock configuration ?