Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/ADC1/ADC_OFR2#0x0
ADC offset 2 register
Data offset y for the channel programmed into OFFSETy_CH[4:0] bits
https://github.com/modm-io/cmsis-svd-stm32