HAL_Delay API is providing more delay than expected

[PV C]

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(); 

}

[waclawek.jan]

Is HSI or MSI your primary clock source?

JW

[PV C]

HSE