Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32u5/STM32U535/TIM1/CCR5#0x0
alternate function register 2
CCR5
GC5C1
GC5C2
GC5C3
https://github.com/modm-io/cmsis-svd-stm32