Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Texas Instruments/CC26x0/GPIO/DOUT15_12#0x0
Data Out 12 to 15
Alias register for byte access to each bit in DOUT31_0
DIO12
DIO13
DIO14
DIO15
https://github.com/cmsis-svd/cmsis-svd-data