Hitachi H8/3672 Series Hardware Manual page 94

Table 6-2 Transition Mode after the SLEEP Instruction Execution and Interrupt Handling
DTON SSBY
0 0
0
1
1 X
Legend: X : Don't care.
•
When a state transition is performed while SMSEL is 1, timer V, SCI3, and the 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
System clock oscillator
CPU Instructions
operations
Registers
RAM
IO ports
External IRQ3, IRQ0
interrupts
WKP5 to WKP0 Functioning
Peripheral Timer V
functions
Timer W
Watchdog timer Functioning
SCI3
A/D converter
Rev. 1.0, 03/01, page 70 of 280
Transition Mode after SLEEP
SMSEL Instruction Execution
0 Sleep mode
1 Sleep mode
X Standby mode
0* Active mode(direct transition)
Active Mode Sleep Mode
Functioning Functioning
Functioning Halted
Functioning Retained
Functioning Retained
Functioning Retained
Functioning Functioning
Functioning
Functioning Functioning
Functioning Functioning
Functioning
Functioning Functioning
Functioning Functioning
Transition Mode due to
Interrupt
Active mode
Active mode
Active mode
—
Subsleep Mode Standby Mode
Halted Halted
Halted Halted
Retained Retained
Retained Retained
Retained Register contents are
retained, but output is the
high-impedance state.
Functioning Functioning
Functioning Functioning
Reset Reset
Retained(if internal clock φ
Retained
is selected as a count
clock, the counter is
incremented by a subclock)
Retained Retained(functioning if the
internal oscillator is
selected as a count clock)
Reset
Reset Reset