__LL_RCC_CALC_PCLK1_FREQ macro

Helper macro to calculate the PCLK1 frequency (ABP1)

Syntax

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Summary

Declaration

#define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >> RCC_CFGR_PPRE1_Pos])

Argument

Description

__HCLKFREQ__

HCLK frequency

__APB1PRESCALER__

This parameter can be one of the following values: @arg LL_RCC_APB1_DIV_1 @arg LL_RCC_APB1_DIV_2 @arg LL_RCC_APB1_DIV_4 @arg LL_RCC_APB1_DIV_8 @arg LL_RCC_APB1_DIV_16

PCLK1 clock frequency (in Hz)

__LL_RCC_CALC_PCLK1_FREQ is referenced by 4 libraries and example projects:

from examples