Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFR32BG12P/EFR32BG12P332F1024IM48/PCNT1/CMD#0x0
Command Register
Load CNT Immediately
Load TOPB Immediately
https://github.com/cmsis-svd/cmsis-svd-data