H83694 Datasheet, PDF (110/450 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Section 6 Power-Down Modes
Table 6.3 Internal State in Each Operating Mode
Function
Subactive
Active Mode Sleep Mode Mode
Subsleep
Mode
Standby
Mode
System clock oscillator
Functioning Functioning Halted
Halted
Halted
Subclock oscillator
Functioning Functioning Functioning Functioning Functioning
CPU
Instructions
operations _Registers
Functioning
Functioning
Halted
Retained
Functioning
Functioning
Halted
Retained
Halted
Retained
RAM
Functioning Retained
Functioning Retained
Retained
IO ports
Functioning Retained
Functioning Retained
Register
contents are
retained, but
output is the
high-
impedance
state.
External
interrupts
IRQ3 to IRQ0
WKP5 to
WKP0
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Peripheral Timer A
functions
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
A/D converter Functioning Functioning Reset
Note: * Registers can be read or written in subactive mode.
Reset
Reset
Rev.5.00 Nov. 02, 2005 Page 82 of 418
REJ09B0028-0500