Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl/STM32WL5x_CM0P/ADC/ADC_AWD2CR#0x0
ADC Analog Watchdog 2 Configuration register
AWD2CH
https://github.com/modm-io/cmsis-svd-stm32