Sony CXD5602 User Manual page 157

3. Turn ON the PWD_APP_DSP (Refer to Section 3.4.4.1 Basic flow of power supply control)

Control of Application Processor side (reference)
Starts when the System and I/O Processor turns ON the power supply of the PWD_APP_DSP
1. Interrupt mask cancel
INT_EN2.SYDMAC[0]=1
2. Detect interrupt INT_CAUSE2.SYDMAC[0] and clear
User Control
Interrupt Mask
for Application processor
Application
Processor
API and HW
Control
(reference)
System and
I/O Processor
Interrupt
Figure PMU (Power Management Unit)-32 Sleep/Wakeup Control Flow of the Application Processor
Sleep sequence
Enable
WFI start
Sleep setting
PWD_APP_DSP ON
WFI reg
Sleep Polling
setting
Power control
by proxy
PMU
－157/1010－
Wakeup sequence
WFI
PWD_APP_DSP OFF
Detect & power control
by proxy
wakeup sett ing
Power off Power on
sequence sequence
CXD5602 User Manual
Disable
interrupt
wakeup sett ing
handling
PWD_APP_DSP ON