Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Texas Instruments/CC26x0/GPIO/DOUT23_20#0x0
Data Out 20 to 23
Alias register for byte access to each bit in DOUT31_0
DIO20
DIO21
DIO22
DIO23
https://github.com/cmsis-svd/cmsis-svd-data