Datasheet
Section 24 Power-Down Modes
Page 1214 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Table 24.1 Operating Modes and Internal states of the LSI
Operating State
High
Speed
Mode
Clock
Division
Mode
Sleep
Mode
Module
Stop
Function
All Module
Clocks Stop
Mode
Software
Standby
Mode
Hardware
Standby
Mode
Clock pulse generator Operating Operating Operating Operating Operating Stopped Stopped
Instruction
execution
Stopped Stopped Stopped CPU
Register
Operating Operating
Retained
Operating Stopped
Retained Undefined
NMI External
interrupts
IRQ0 to
15*
1
Operating Operating Operating Operating Operating Operating Stopped
Peripheral
functions
WDT Operating Operating Operating Operating Operating Stopped
(Retained)
Stopped
(Reset)
TMR Operating Operating Operating Stopped
(Retained)
Operating/
Stopped
(Retained)
*
2
Stopped
(Retained)
Stopped
(Reset)
EXDMAC
*
3
Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)
DMAC Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)
DTC Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)
TPU Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)
PPG Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)
D/A Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)
A/D Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)
SCI Operating Operating Operating Stopped
*
4
(Reset/
retained)
Stopped
*
4
(Reset/
retained)
Stopped
*
4
(Reset/
retained)
Stopped
(Reset)
IIC2 Operating Operating Operating Stopped
*
5
(Reset/
retained)
Stopped
*
5
(Reset/
retained)
Stopped
*
5
(Reset/
retained)
Stopped
(Reset)
SSU Operating Operating Operating Stopped
(Reset)
Stopped
(Reset)
Stopped
(Reset)
Stopped
(Reset)
USB Operating Operating Operating Stopped
(Retained)
Stopped
(Retained)
Stopped
(Retained)
Stopped
(Reset)