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HAL_Delay API is providing more delay than expected

PV C
Associate II

When HAL_Delay(420) is invoked for 420 milliseconds delay it is providing 438ms of delay when measured in CRO.

void SysTick_Handler(void)

{

  HAL_IncTick(); 

}

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2 REPLIES 2
waclawek.jan
Super User

Is HSI or MSI your primary clock source?

JW

PV C
Associate II

HSE