Save MMU context
in external memory
Save DMA context
in external memory
Disable nonwakeable interrupt
in the INTC
Enable the wakeable interrupt
in the INTC
Initialize wakeable INTC
Enable the wakeable interrupt
in the wake-up generator
(register WUGEN_MEVTCLRx x=0,1,2,3)
Tell the MPU to shut down the IVA2
Execute the IDLE instruction
Check IVA_SYSC.SYSC_BOOTADDR[31:12]
BOOTLOADADDR
Configure the PDC
(IVA2 power-down controller)
Start IVA2 power off
IVA2 ready to go
to off mode
iva2-045
Public Version
IVA2.2 Subsystem Basic Programming Model
www.ti.com
Figure 5-34. IVA2 Power Off
The user must also ensure that no other instruction is executed parallel to the IDLE instruction. When
IVA2 is ready to go to off mode, there are two ways to completely shut down IVA2 subsystem (see
798
IVA2.2 Subsystem
SWPU177N – December 2009 – Revised November 2010
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