Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32PG12B/EFM32PG12B500F1024IL125/WTIMER0/DTFAULTC#0x0
DTI Fault Clear Register
DTI PRS0 Fault Clear
DTI PRS1 Fault Clear
DTI Debugger Fault Clear
DTI Lockup Fault Clear
https://github.com/cmsis-svd/cmsis-svd-data