Datasheet

Section 24 Power-Down Modes
R01UH0309EJ0500 Rev. 5.00 Page 1215 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Operating State
High
Speed
Mode
Clock
Division
Mode
Sleep
Mode
Module
Stop
Function
All Module
Clocks Stop
Mode
Software
Standby
Mode
Hardware
Standby
Mode
Peripheral
functions
RAM Operating Operating Operating Stopped
(Retained)
Operating/
Stopped
(Retained)
*
6
Retained Retained
I/O Operating Operating Operating Operating Retained Retained High
impedance
Notes: Stopped (Retained) in the table means that internal register values are retained and
internal operations are suspended.
Stopped (Reset) in the table means that internal register values and internal states are
initialized.
In module stop function, only modules for which a stop setting has been made are
stopped (reset or retained).
1. IRQ8 to IRQ15 are not supported by the H8S/2454 Group.
2. The active or stopped state can be selected by means of the MSTP0 bit in MSTPCR.
3. Not supported by the H8S/2454 Group.
4. TDR, SSR, and RDR are stopped (reset) and other registers are stopped (retained).
5. BC2 to BC0 are stopped (reset) and other registers are stopped (retained).
6. The active or stopped state can be selected by means of the bits in RMMSTPCR.