Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32FG23B010F512IM40/LCD_NS/BACFG#0x0
FCPRESC=DIV1
No Description
ASTATE top cnt
Frame Counter Prescaler
0 (DIV1): every frame clock
1 (DIV2): every 2nd frame clock
2 (DIV4): every 4th frame clock
3 (DIV8): every 8th frame clock
Frame Counter Top
https://github.com/cmsis-svd/cmsis-svd-data