Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Texas Instruments/CC26x0/AUX_WUC/MCUBUSCTL#0x0
MCU Bus Control
Controls the connection between the AUX domain bus and the MCU domain bus.
The buses must be disconnected to allow power-down or power-off of the AUX domain.
DISCONNECT_REQ
https://github.com/cmsis-svd/cmsis-svd-data