Datasheet

Section 6 Power-Down Modes
Page 148 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Table 6.1 shows the internal states of the LSI in each mode.
Table 6.1 Internal State in Each Operating Mode
LPCR1
PSCSTP = 0
LPCR1
PSCSTP = 1
Function
Active Mode Sleep Mode Active Mode Sleep Mode
Standby Mode
System clock Functioning Functioning Functioning Functioning Stopped
CPU Instruction
execution
Functioning Stopped Functioning Stopped Stopped
Registers Functioning Retained Functioning Retained Retained
DTC Functioning Functioning Functioning Functioning Stopped
ELC Functioning Functioning Functioning*
1
Functioning*
1
Retained
RAM Functioning Functioning Functioning Functioning Retained
I/O ports Functioning Functioning Functioning Functioning Register
contents are
retained, but
output goes to
the high-
impedance
state.
External
interrupts
IRQ7 to
IRQ0, NMI
Functioning Functioning Functioning Functioning Functioning
Peripheral
modules
Timer RA,
timer RB,
timer RC,
timer RD_0,
timer RD_1
Functioning Functioning Retained*
2
Retained*
2
Retained
Timer RE Functioning Functioning Functioning in realtime clock
mode and retained in output-
compare mode.
Functioning in
realtime clock
mode and
retained in
output-compare
mode.
Timer RG Functioning Functioning Retained*
2
Retained*
2
Retained
Watchdog
timer
Functioning Functioning Retained*
3
Retained*
3
Retained*
3
SCI3_1,
SCI3_2,
SCI3_3
Functioning Functioning Retained*
2
Retained*
2
Reset