Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B410F1024GM64/LCD/SEGD7H#0x0
Segment Data High Register 7
COM3 Segment Data High
https://github.com/cmsis-svd/cmsis-svd-data