Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Maxim-Integrated/max32672/UART/WKFL#0x0
Wake up Flags register
Wake-Up Flag for RX FIFO Not Empty
Wake-Up Flag for RX FIFO Full
Wake-Up Flag for RX FIFO Threshold Met
https://github.com/analogdevicesinc/msdk