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PRCM Functional Description
3.5.6.2
Voltage Domains
summarizes, for each voltage domain, the voltage level corresponding to its OPP when its
power domains are on and the voltage level when its power domains are in retention or off power state.
The exact values depend on the silicon.
Table 3-80. Voltage Domain Controls Summary
Voltage Domain (Power
Operating Point
Control
Supplied Modules
Rail)
VDD1 voltage domain
Off
HW and SW
MPU subsystem, IVA2.2 subsystem, digital
(vdd_mpu_iva)
part of DPLL1 and DPLL2, SmartReflex1
Retention
OPP50
OPP100
OPP130
OPP1G
OPP1G2
(1)
VDD2 voltage domain
Off
HW and SW
Most modules, interconnects, peripherals.
(vdd_core)
Retention
SmartReflex2, digital part of DPLL3, DPLL4,
and DPLL5
OPP50
OPP100
VDD3 voltage domain
Low-power mode
HW
WKUP and EMU domains
(vdda_wkup_bg_bb)
Normal mode
Emulation mode
VDD4 voltage domain
All memories off
HW
Processor memories
(vdda_sram)
All memories in retention
VDD1 is in OPP50, or
OPP100
VDD1 in OPP130
VDD5 voltage domain
Off
HW
CORE, SGX, CAM, DSS, PER, USBHOST,
(vdda_sram)
and EMU memories
Retention
VDD2 is in OPP50, or
OPP100
VDDS voltage domain
Always-on
None
I/Os
(vdds)
VDDADAC voltage domain
Software-driven only
(2)
SW
Video DAC
(vdda_dac)
VDDPLL voltage domain
Always-on
(2)
None
Analog part of DPLL1, DPLL2, and DPLL3
(vdda_dpll_dll)
VDDPLL_PER voltage
Always-on
(2)
None
Analog part of DPLL4 and DPLL5
domain (vdda_dpll_per)
External memory I/Os
Always-on
(2)
None
External memory, SDRC, and GPMC I/Os
(vdds_mem)
CSIPHY1 (vdda_csiphy1)
Always-on
(2)
None
CAM balls
DSI (vdda_dsi)
Always-on
(2)
None
DSI balls
CSIPHY2 (vdda_csiphy2)
Always-on
(2)
None
CSI2 balls
SIM (vdds_sim)
Always-on
(2)
None
SIM
MMC_VDDS voltage
Always-on
(2)
None
MMC1
domain (vdds_mmc1)
(1)
OPP1G2 is available only for the OMAP3630-1200 device.
(2)
Identifies voltage domains that can be switched to 0.0 V when the interface/module is not in use.
375
SWPU177N – December 2009 – Revised November 2010
Power, Reset, and Clock Management
Copyright © 2009–2010, Texas Instruments Incorporated
Содержание OMAP36 Series
Страница 174: ...174 List of Tables SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 692: ...692 MPU Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 1084: ...1084 IVA2 2 Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 1990: ...1990 2D 3D Graphics Accelerator SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2334: ...2334 Memory Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2700: ...2700 Memory Management Units SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2868: ...2868 HDQ 1 Wire SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2974: ...2974 UART IrDA CIR SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3054: ...3054 Multichannel SPI SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3462: ...3462 MMC SD SDIO Card Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3508: ...3508 General Purpose Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3584: ...3584 Initialization SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3648: ...3648 Debug and Emulation SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...