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PRCM Functional Description
NOTE:
TRANXDONE and OPPCHANGEDONE interrupt events are generated under the same
conditions (after voltage change).
Table 3-79. IVA2 Interrupt Event Descriptions
Event Flag
Event Mask
Map to
IVA2 Domain
Description
Wake-Up Event
[0]
[0]
PRCM_IVA_IRQ
No
IVA2 peripheral group wakeup
WKUP_ST
WKUP_EN
[1]
[1]
PRCM_IVA_IRQ
No
IVA2 power domain forced
FORCEWKUP_ST
FORCEWKUP_EN
wake-up transition completion
[2]
[2]
PRCM_IVA_IRQ
Yes
DPLL2 recalibration required
IVA2_DPLL_ST
IVA2_DPLL_RECAL_EN
NOTE:
The software must first read the event flag to determine the cause of the interrupt and then
write 1 to it to clear the flag.
3.5.6 PRCM Voltage Management Functional Description
This section describes the voltage domains and voltage control architecture. It also explains the
interactions between the device and the external power IC.
3.5.6.1
Overview
is an overview of the device voltage domains.
371
SWPU177N – December 2009 – Revised November 2010
Power, Reset, and Clock Management
Copyright © 2009–2010, Texas Instruments Incorporated