Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFR32FG14P/EFR32FG14P232F256GM48/CRYOTIMER/IFC#0x0
Interrupt Flag Clear Register
Clear PERIOD Interrupt Flag
https://github.com/cmsis-svd/cmsis-svd-data