Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32FG23B010F512IM40/MODEM_NS/CHFCTRL#0x0
No Description
FW Switch CHF COE. Enable
FW Select CHF COE. set
Switch CHF COE. Enable
https://github.com/cmsis-svd/cmsis-svd-data