Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl3/STM32WL33/MR_SUBG/RF_FSM4_TIMEOUT#0x0
RF_FSM4_TIMEOUT register
Timeout for the analog RX chain setup (duration in EN_RX state)
https://github.com/modm-io/cmsis-svd-stm32