Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Maxim-Integrated/max32520/UART0/DATA#0x0
FIFO Data buffer.
Load/unload location for TX and RX FIFO buffers.
Parity error flag for next byte to be read from FIFO.
https://github.com/analogdevicesinc/msdk