Public Version
PRCM Functional Description
www.ti.com
A sleep dependency prevents the PRCM module from gating the clocks to a power domain (for sleep
transition to inactive, retention, or off state from on state) if a dependent power domain is active (its clocks
are active). A power domain can depend on several other power domains.
A power domain sleep dependency is programmed by setting the PRCM.CM_SLEEPDEP_<domain>
register.
Example:
The PER domain has a programmable sleep dependency with the MPU and IVA2 power domains, and a
hardwired sleep dependency with the CORE power domain. Therefore, if all software dependencies are
enabled, the PER domain can go to idle mode only if the MPU, IVA2, and CORE-L3 clock domains are
idle. If all software dependencies are disabled, the PER domain can go to idle mode, provided that the
CORE-L3 clock domain is muted (no access to the PER domain can be pending).
summarizes the programmable and hardwired sleep dependencies among the domains.
NOTE:
The first row of the table identifies the dependent power domains for a power domain listed
in the first column. Therefore, to identify the sleep dependency of power domain X, identify
domain X in the first column, then follow its row to its sleep dependency with another power
domain (identified in the top row).
362
Power, Reset, and Clock Management
SWPU177N – December 2009 – Revised November 2010
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 ...