Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32FG23B010F512IM40/DEVINFO/PART#0x0
FAMILY=FG
Part description
Device Number
Device Family
0 (FG): Flex Gecko
3 (ZG): Z-Wave Gecko
5 (PG): Pearl Gecko
https://github.com/cmsis-svd/cmsis-svd-data