Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/ADC1/ADC_AWD2LTR#0x0
ADC analog watchdog 2 lower threshold register
Analog watchdog 2 lower threshold
https://github.com/modm-io/cmsis-svd-stm32