Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Texas Instruments/CC26x0/GPIO/DOUT11_8#0x0
Data Out 8 to 11
Alias register for byte access to each bit in DOUT31_0
DIO8
DIO9
DIO10
DIO11
https://github.com/cmsis-svd/cmsis-svd-data