Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32PG12B/EFM32PG12B500F1024GM48/WTIMER0/DTFAULT#0x0
DTI Fault Register
DTI PRS 0 Fault
DTI PRS 1 Fault
DTI Debugger Fault
DTI Lockup Fault
https://github.com/cmsis-svd/cmsis-svd-data