Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl3/STM32WL33/LPAWUR/AGC_CONFIG#0x0
AGC_CONFIG register
Define the working mode of the AGC:
The behavior when the AGC is ON and is working in HOLD mode
The AGC reset behavior when the AGC is working in ON or HOLD mode
https://github.com/modm-io/cmsis-svd-stm32