h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 608

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 21 Power-Down Modes
Table 21.1 LSI Internal States in Each Mode
Notes: "Halted (retained)" means that internal register values are retained. The internal state is
Rev. 2.00 Dec. 05, 2005 Page 570 of 724
REJ09B0200-0200
Function
System clock pulse
generator
Subclock generator
CPU
External
interrupts
Peripheral
functions
"operation suspended. "
"Halted (reset)" means that internal register values and internal states are initialized.
In module stop mode, only modules for which a stop setting has been made are halted
(reset or retained).
*
Instructions
Registers
NMI
IRQ0 to
IRQ5
WDT0
WDT1
DTC
TPU
PPG
PBC
SCI0 to
SCI2
SCI4
PWM
HCAN
A/D
LCD
RAM
I/O
When the LCD is operated in watch mode, subactive mode, or subsleep mode, select
the subclock as the operating clock.
High-
Speed
Functioning Functioning Functioning Functioning Halted
Functioning Functioning Functioning Functioning Functioning
Functioning Medium-
Functioning Functioning Functioning Functioning Functioning
Functioning Functioning Functioning 
Functioning Functioning Functioning 
Functioning Medium-
Functioning Functioning Functioning Halted
Functioning Functioning Functioning Halted
Functioning Functioning Functioning Halted
Functioning Functioning Functioning Halted
Functioning Functioning Functioning Halted
Functioning Functioning Functioning
Functioning Functioning Functioning Functioning Retained
Medium-
Speed
speed
operation
speed
operation
Sleep
Halted
(retained)
Functioning Halted
(DTC)
Module
Stop
High/
medium-
speed
operation
(retained)
(retained)
(retained)
(retained/
reset)
(reset)
(retained)
Functioning Retained
Watch
Halted
(retained)
Halted
(retained)
Subclock
operation
Halted
(retained)
Halted
(retained)
Halted
(retained)
Halted
(retained/
reset)
Halted
(reset)
Functioning* Functioning* Functioning* Halted
Subactive
Halted
Functioning
Subclock
operation
Functioning
Subclock
operation
Subclock
operation
Halted
(retained)
Halted
(retained)
Subclock
operation
Halted
(retained/
reset)
Halted
(reset)
Functioning
Functioning
Subsleep
Halted
Functioning
Halted
(retained)
Functioning
Subclock
operation
Subclock
operation
Halted
(retained)
Halted
(retained)
Halted
(retained)
Halted
(retained/
reset)
Halted
(reset)
Retained
Retained
Software
Standby
Halted
Halted
Halted
(retained)
Functioning Halted
Halted
(retained)
Halted
(retained)
Halted
(retained)
Halted
(retained)
Halted
(retained)
Halted
(reset)
Halted
(reset)
(retained)
Retained
Retained
Halted
Hardware
Standby
Halted
Halted
(undefined)
Halted
(reset)
Halted
(reset)
Halted
(reset)
Halted
(reset)
Halted
(reset)
Halted
(reset)
Halted
(reset)
Halted
(reset)
Retained
High
impedance