TIM5->SMCR |= 0b01011 << TIM_SMCR_TS_Pos; TIM5->SMCR |= 0b0100 << TIM_SMCR_SMS_Pos; 

TIMx_SMCR.TS (and TIMx_SMCR.SMS) are not continuous bitfields, for historical reasons:

TIM5->SMCR |= 0b01011 << TIM_SMCR_TS_Pos; TIM5->SMCR |= 0b0100 << TIM_SMCR_SMS_Pos; 

TIMx_SMCR.TS (and TIMx_SMCR.SMS) are not continuous bitfields, for historical reasons:

^{Source: RM0433 Reference Manual}