Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EZR32LG/EZR32LG230F64R69/LEUART1/PULSECTRL#0x0
Pulse Control Register
Pulse Width
Pulse Generator/Extender Enable
Pulse Filter
https://github.com/cmsis-svd/cmsis-svd-data