Datasheet

Section 6 Power-Down Modes
Rev. 6.00 Mar. 24, 2006 Page 90 of 412
REJ09B0142-0600
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
Timer A Functioning Functioning Functioning if the timekeeping time-base
function is selected, and retained if not selected
Timer V Functioning Functioning Reset Reset Reset
Timer W Functioning Functioning Retained (if internal clock φ is
selected as a count clock, the
counter is incremented by a
subclock*)
Retained
Watchdog
timer
Functioning Functioning Retained (functioning if the internal oscillator is
selected as a count clock*)
SCI3 Functioning Functioning Reset Reset Reset
IIC Functioning Functioning Retained* Retained Retained
Peripheral
functions
A/D converter Functioning Functioning Reset Reset Reset
Note: * Registers can be read or written in subactive mode.