Transitions Between Ulpd Modes - Texas Instruments OMAP5912 Reference Manual

Figure 26. Software Control of the LOW_PWR Signal
POWER_CTRL_REG[DEEP_SLEEP_TRANSITION_EN (4)]
POWER_CTRL_REG[DVS_ENABLE(10)]
POWER_CTRL_REG[LOW_PWR_EN(0)]
3.4.5

Transitions Between ULPD Modes

Figure 27. Transition Flow
AWAKE
T2
SPRU753A
OSC12M_STOP
POWER_CTRL_REG[Min_Max_REG(11)]
Figure 27 describes the transition flow between the ULPD modes.
T5
T1
DEEP SLEEP
T0: Power up
T1: Wake-up request from OMAP3.2 or from peripherals or after power up
context
Power Management User Services
0
1
POWER_CTRL_REG[LOW_PWR_REG(1)]
T6
T3
T0
Power Management
LOW_PWR
BIG SLEEP
T4
OMAP5912
OFF
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