Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32l5/STM32L552/TAMP/CR3#0x0
control register 3
ITAMP1NOER
ITAMP2NOER
ITAMP3NOER
ITAMP5NOER
ITAMP8NOER
https://github.com/modm-io/cmsis-svd-stm32