Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFR32MG13P/EFR32MG13P732F512IM48/I2C1/STATUS#0x0
Status Register
Pending START
Pending STOP
Pending ACK
Pending NACK
Pending Continue
Pending Abort
TX Complete
TX Buffer Level
RX Data Valid
RX FIFO Full
https://github.com/cmsis-svd/cmsis-svd-data