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Table 24.2 Power-Down Mode Transition Conditions
Status of Control Bit at
Pre-Transition
State
SSBY PSS
High-speed/
0
Medium-speed 0
1
1
1
1
1
1
Sub-active
0
0
0
1
1
1
1
1
* : Don't care
—: Do not set.
856
Transition
LSON DTON Command
*
0
*
*
1
*
0
0
*
0
1
*
1
0
0
1
1
0
1
0
1
1
1
1
0
*
*
1
0
*
1
1
*
0
*
*
1
0
0
1
1
0
1
0
1
1
1
1
State After Transition
Invoked by SLEEP
Sleep
—
Software standby
—
Watch
Watch
—
Sub-active
—
—
Sub-sleep
—
Watch
Watch
High-speed
—
State After Transition
Back from Low Power
Mode Invoked by
Interrupt
High-speed/Medium-speed
—
High-speed/Medium-speed
—
High-speed
Sub-active
—
—
—
—
Sub-active
—
High-speed
Sub-active
—
—
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