Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B530F512GM64/VDAC0/CH1DATA#0x0
Channel 1 Data Register
Channel 1 Data
https://github.com/cmsis-svd/cmsis-svd-data