prcm-UC-011
VDD2 voltage domain
VDD1 voltage domain
CORE domain
SGX domain
SGX
Peripherals
PER domain
CAM domain
DSS domain
Camera
Display
CORE domain
MEM, DMA,
interconnect, etc.
DPLL4
DPLL3
DPLL2
DPLL1
MPU emulation
Emulation tools
MPU SS
IVA SS2
MPU domain
IVA domain
IVA SS1
MPU CORE
NEON CORE
NEON domain
MPU SS
IVA2 SS
USBHOST domain
USBHOST
DPLL5
MPU functional
clock
IVA2 functional
clock
Device interface
clocks
Peripherals functional
clocks
Public Version
PRCM Use Cases and Tips
www.ti.com
Figure 3-102. VDD1 and VDD2 Voltage Domain Modules and Clock Sources
Both VDD1 and VDD2 voltage domains support different operations and the clocks in these voltage
domains can be scaled according to the operating performance points, as explained in
3.7.1.2
TWL5030 DVFS Support Architecture
3.7.1.2.1 SMPS
The TWL5030 contains two SmartReflex-controllable SMPSs:
SMPS
Voltage Output
Voltage Step
VDD1
0.6 V to 1.45 V
12.5 mV
VDD2
0.6 V to 1.45 V
12.5 mV
448
Power, Reset, and Clock Management
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated