HD64F2149 Datasheet, PDF (748/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 24.2 Power-Down Mode Transition Conditions
Control Bit States
at Time of Transition
State before
State after Transition State after Return
Transition SSBY PSS LSON DTON by SLEEP Instruction by Interrupt
High-speed/ 0
*
0
*
Sleep
medium-speed
High-speed/
medium-speed
0
*
1
*
—
—
1
0
0
*
Software standby
High-speed/
medium-speed
1
0
1
*
—
—
1
1
0
0
Watch
High-speed
1
1
1
0
Watch
Subactive
1
1
0
1
—
—
1
1
1
1
Subactive
—
Subactive
0
0
*
*
—
—
0
1
0
*
—
—
0
1
1
*
Subsleep
Subactive
1
0
*
*
—
—
1
1
0
0
Watch
High-speed
1
1
1
0
Watch
Subactive
1
1
0
1
High-speed
—
1
1
1
1
—
—
*: Don’t care
—: Do not set.
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