Datasheet

Section 6 Power-Down Modes
Rev. 2.00 Sep. 23, 2005 Page 81 of 472
REJ09B0160-0200
Table 6.3 Internal State in Each Operating Mode
Function Active Mode Sleep Mode
Subactive
Mode
Subsleep
Mode Standby Mode
System clock oscillator Functioning Functioning Halted Halted Halted
Subclock oscillator Functioning Functioning Functioning Functioning Functioning
Instructions Functioning Halted Functioning Halted Halted CPU
operations
Registers Functioning Retained Functioning Retained Retained
RAM Functioning Retained Functioning Retained Retained
IO ports Functioning Retained Functioning Retained Register contents
are retained, but
output is the high-
impedance state.
IRQ3 to IRQ0 Functioning Functioning Functioning Functioning Functioning External
interrupts
WKP5 to
WKP0
Functioning Functioning Functioning Functioning Functioning
RTC Functioning Functioning Functioning if the timekeeping time-base function
is selected, and retained if not selected
Peripheral
functions
Timer V Functioning Functioning Reset Reset Reset
Watchdog
timer
Functioning Functioning Retained (functioning if the internal oscillator is
selected as a count clock*)
SCI3, SCI3_2 Functioning Functioning Reset Reset Reset
IIC2 Functioning Functioning Retained* Retained Retained
Timer B1 Functioning Functioning Retained* Retained Retained
Timer Z Functioning Functioning Retained (the counter increments according to
subclocks if the internal clock (φ) is selected as a
count clock*)
A/D converter Functioning Functioning Reset Reset Reset
Note: * Registers can be read or written in subactive mode.