5. Power-Down Modes
Rev.3.00 Jul. 19, 2007 page 102 of 532
REJ09B0397-0300
Reset state
Program execution state
Program halt state
Program halt state
Active (high-speed)
mode
Power-down mode
SLEEP
instruction
SLEEP instr
uction
SLEEP
instr
uction
SLEEP instr
uction
SLEEP instr
uction
SLEEP instr
uction
2
*
1
*
1
*
4
*
4
*
1
*
3
*
3
*
LSON = 1,
TMA3 = 1
LSON = 0,
MSON = 1
LSON = 0, MSON = 0
SSBY = 0,
LSON = 1,
TMA3 = 1
SSBY = 0,
LSON = 0
SSBY = 1,
TMA3 = 0,
LSON = 0
SSBY = 1,
TMA3 = 1
SLEEP instr
uction
DT
ON = 1
DT
ON = 1
DT
ON = 1
SLEEP instr
uction
1.
: Transition caused by exception handling
Subsleep mode
Subactive mode
Watch mode
Active
(medium-speed)
mode
Standby mode
2.
A transition between different modes cannot be made to occur simply because an interrupt request is
generated. Make sure that the interrupt is accepted and interrupt handling is performed.
Details on the mode transition conditions are given in the explanations of each mode, in sections 5.2
through 5.8.
3. The module standby mode for the LCD controller is initiated by setting a register within the LCD
controller itself, and so is not shown in this diagram.
Sleep mode
Notes: 1. Timer A interrupt, IRQ
0
interrupt, WKP
0
to WKP
7
interrupts
2. Timer A interrupt, timer C interrupt
*
, timer IRQ
0
to IRQ
4
interrupts
*
, WKP
0
to WKP
7
interrupts
3.
All
interrupts
*
4.
IRQ
0
interrupt, IRQ
1
interrupt, WKP
0
to WKP
7
interrupts
*
The timer C, SCI1, and IRQ
2
interrupts are functions of the H8/3857 Group only, and are not
provided in the H8/3854 Group.
Figure 5.1 Operation Mode Transition Diagram
Summary of Contents for F-ZTAT H8 Series
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