Datasheet

Section 6 Power-Down Modes
Rev. 4.00 Mar. 15, 2006 Page 83 of 556
REJ09B0026-0400
Table 6.2 Transition Mode after SLEEP Instruction Execution and Transition Mode due
to Interrupt
DTON SSBY SMSEL LSON
Transition Mode after
SLEEP Instruction
Execution
Transition Mode due to
Interrupt
0 0 0 0 Sleep mode Active mode
1 Subactive mode
1 0 Subsleep mode Active mode
1 Subactive mode
1 X X Standby mode Active mode
1 X 0* 0 Active mode (direct
transition)
—
X X 1 Subactive mode (direct
transition)
—
[Legend]
X: Don’t care.
Note: * When a state transition is made while SMSEL is 1, the timer V, SCI3, SCI3_2 (only for
the H8/36057 Group), and A/D converter are reset, and all registers are set to their
initial values. To use these functions after entering active mode, reset the registers.
Table 6.3 Internal State in Each Operating Mode
Function Active Mode Sleep Mode
Subactive
Mode
Subsleep
Mode Standby Mode
System clock oscillator Functioning Functioning Halted Halted Halted
Instructions Functioning Halted Functioning Halted Halted CPU
operations
Registers Functioning Retained Functioning Retained Retained
RAM Functioning Retained Functioning Retained Retained
I/O ports Functioning Retained Functioning Retained Register contents
are retained, but
output is the high-
impedance state.
IRQ3 to IRQ0 Functioning Functioning Functioning Functioning Functioning External
interrupts
WKP5 to
WKP0
Functioning Functioning Functioning Functioning Functioning