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Notes:
Halted (Retained) in the table means that internal register values are retained and
internal operations are suspended.
Halted (Reset) in the table means that internal register values and internal states are
initialized.
In module stop mode, only modules for which a stop setting has been made are halted
(reset or retained).
* The internal register values are retained and internal states are initialized.
: Transition after exception handling
Notes: * NMI,
1. From any state, a transition to hardware standby mode occurs when
2. From any state except hardware standby mode, a transition to the reset state occurs
Reset state
pin = high
Internal clock is duty
adjustment circuit
output clock
SCK2 to
SCK2 to
SCK0 ≠ 0
SCK0 = 0
Clock division
mode
Program execution state
to
(
to
are valid when the corresponding bit in SSIER is 1.)
when
is driven low.
Figure 22.1 Mode Transitions
Hardware
standby mode
pin = high
pin = low
SSBY = 0
SLEEP
Sleep mode
instruction
(main clock)
MSTPCR =
Any interrupt
H'FFFF (H'FFFE),
EXMSTPCR = H'FFFF,
SLEEP
SSBY = 0
instruction
SLEEP
SSBY = 1
instruction
Software
standby mode
Interrupt
Program-halted state
: Power-down mode
Rev. 1.00, 09/03, page 621 of 704
pin = low
is driven low.
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