Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/ADC1/ADC_AWD3LTR#0x0
ADC analog watchdog 3 lower threshold register
Analog watchdog 3 lower threshold
https://github.com/modm-io/cmsis-svd-stm32