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Functional Overview
1.3.13 Power Supply System
1.3.13.1 Supply System
There are several voltage levels in use on the CC26xx and CC13xx device family.
overview of the supply system.
VDDS
VDDS2
VDDS3
VDDS_DCDC
DCDC_SW
VDDR
VDDR_RF
DCOUPL
1.3.13.1.1 VDDS
The battery voltage on the CC26xx and CC13xx device family is called VDDS (supply). This supply has
the highest potential in the system and typically is the only one provided by the user.
26
Architectural Overview
Figure 1-2. CC26xx and CC13xx Supply System
POR / BOD / Misc
Global LDO
IOs
IOs
IOs
DC/DC Converter
Oscillators
RF LDOs
Copyright © 2015, Texas Instruments Incorporated
Digital LDO
Micro LDO
AON_VD
MCU_VD
SWCU117C – February 2015 – Revised September 2015
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Figure 1-2
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VDD
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