SWCU191 February 2022 CC1311P3 , CC1311R3 , CC2651P3 , CC2651R3 , CC2651R3SIPA
The battery voltage on the CC13x1x3 and CC26x1x3 device platform is called VDDS (supply). This supply has the highest potential in the system and typically is the only one provided by the user.
VDDS2 and VDDS3 must always be at the same potential as VDDS.