Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFR32MG13P/EFR32MG13P632F512GM32/ETM/ETMCIDR3#0x0
Component ID3 Register
CoreSight Preamble
https://github.com/cmsis-svd/cmsis-svd-data