Rev. 1.0, 02/00, page 70 of 1141
Table 4.2
Power-Down Mode Transition Conditions
Control Bit States at Time of
Transition
State before
Transition
SSBY
TMA3
LSON
DTON
State after Transition
by SLEEP Instruction
State after Return
by Interrupt
0
*
0
*
Sleep
High-speed/
medium-speed
*
1
0
*
1
*
1
0
0
*
Standby
High-speed/
medium-speed
*
1
1
0
1
*
1
1
0
0
Watch
High-speed/
medium-speed
*
1
1
1
1
0
Watch
Subactive
1
1
0
1
High-speed/
medium-
speed
1
1
1
1
Subactive
0
0
*
*
0
1
0
*
0
1
1
*
Subsleep
Subactive
1
0
*
*
1
1
0
0
Watch
High-speed/
medium-speed
*
2
1
1
1
0
Watch
Subactive
1
1
0
1
High-speed/
medium-speed
*
2
Subactive
1
1
1
1
Notes:
*
Don't care
: Do not set.
1. Returns to the state before transition.
2. Mode varies depending on the state of SCK1 to SCK0.