Datasheet

Table Of Contents
Rev. 2.00 Jul. 04, 2007 Page 670 of 692
REJ09B0309-0200
Item Page Revisions (See Manual for Details)
Figure 6.1 Mode Transition
Diagram
111 Modified
Note: A transition between different modes cannot be made to
occur simply because an interrupt request is generated.
Make sure to enable the interrupt request.
Modified
Active Mode Sleep Mode
Function High-speed
Medium-
speed
High-
speed
Medium-
speed
Watch
Mode
Subactive
Mode
Subsleep
Mode
Stand-by
Mode
System clock oscillator Functioning Functioning Functioning Functioning Halted Halted Halted Halted
Subclock oscillator Functioning/
halted
Functioning/
halted
Functioning/
halted
Functioning/
halted
Functioning Functioning Functioning Functioning/
halted
Instructions Halted Halted Halted Halted Halted
RAM
Registers
Retained
CPU
I/O
Functioning Functioning
Retained Retained Retained
Functioning
Retained
Retained*
1
NMI
IRQ0
IRQ1
IRQ3
IRQ4
IRQAEC
External
interrupts
WKP0 to WKP7
Functioning Functioning Functioning Functioning Functioning Functioning Functioning Functioning
Timer C Functioning/
retained*
2
Functioning/
retained*
2
Functioning/
retained*
2
Retained
Timers F, G Functioning/
retained*
3
Functioning/
retained*
3
Functioning/
retained*
3
Retained
Asynchronous
event counter
Functioning Functioning Functioning Functioning
RTC Functioning/
retained*
8
Functioning/
retained*
8
Functioning/
retained*
8
Retained
TPU Retained Retained Retained Retained
WDT Functioning/
retained*
4
Functioning/
retained*
4
Functioning/
retained*
4
Functioning/
retained*
5
SCI3/IrDA Reset Functioning/
retained*
6
Functioning/
retained*
6
Reset
IIC2
PWM
A/D converter
Retained Retained Retained
LCD
Functioning Functioning
Functioning/
retained*
7
Functioning/
retained*
7
Functioning/
retained*
7
Peripheral
modules
Address break
Functioning Functioning
Retained Retained Retained Functioning Retained
Retained
Table 6.3 Internal State in Each
Operating Mode
115
Notes: 1.
.…
8. Functions if the RTC operation is selected as a clock source. Halted and retained for
the free-running counter.
6.2.2 Standby Mode 116 Modified
However, as long as the rated voltage is supplied, the
contents of CPU registers, on
-chip RAM, and some on-chip
peripheral module registers are retained.