Rev. 1.0, 03/01, page 70 of 280
Table 6-2 Transition Mode after the SLEEP Instruction Execution and Interrupt Handling
DTON
SSBY
SMSEL
Transition Mode after SLEEP
Instruction Execution
Transition Mode due to
Interrupt
0
0
0
Sleep mode
Active mode
0
1
Sleep mode
Active mode
1
X
Standby mode
Active mode
1
X
0
*
Active mode(direct transition)
—
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
Active Mode
Sleep Mode
Subsleep Mode
Standby Mode
System clock oscillator
Functioning
Functioning
Halted
Halted
Instructions
Functioning
Halted
Halted
Halted
CPU
operations
Registers
Functioning
Retained
Retained
Retained
RAM
Functioning
Retained
Retained
Retained
IO ports
Functioning
Retained
Retained
Register contents are
retained, but output is the
high-impedance state.
IRQ3, IRQ0
Functioning
Functioning
Functioning
Functioning
External
interrupts
WKP5 to WKP0 Functioning
Functioning
Functioning
Functioning
Timer V
Functioning
Functioning
Reset
Reset
Peripheral
functions
Timer W
Functioning
Functioning
Retained
Retained(if internal clock
φ
is selected as a count
clock, the counter is
incremented by a subclock)
Watchdog timer Functioning
Functioning
Retained
Retained(functioning if the
internal oscillator is
selected as a count clock)
SCI3
Functioning
Functioning
Reset
A/D converter
Functioning
Functioning
Reset
Reset
Содержание H8/3670F-ZTAT HD64F3670
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