LL_TIM_HALLSENSOR_InitTypeDef::IC1Prescaler field
Specifies the TI1 input prescaler value. Prescaler must be set to get a maximum counter period longer than the time interval between 2 consecutive changes on the Hall inputs. This parameter can be a value of TIM_LL_EC_ICPSC. This feature can be modified afterwards using unitary function LL_TIM_IC_SetPrescaler().