Datasheet

Section 20 Power-Down Modes
Rev.7.00 Dec. 24, 2008 Page 610 of 698
REJ09B0074-0700
Table 20.2 Transition Conditions of Power-Down Modes
Status of Control Bit
at Transition
Pre-Transition
State SSBY PSS LSON DTON
State after Transition
Invoked by SLEEP
Command
State after Transition Back from
Power-Down Mode Invoked by
Interrupt
0 × 0 × Sleep 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 — —
High-speed/
Medium-speed
1 1 1 1 Subactive —
Subactive 0 0 × × — —
0 1 0 × — —
0 1 1 × Sub sleep 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 — —
Legend:
×: Don’t care
—: Do not set