H8SSLASH2224 datasheet(870/1071 Pages) RENESAS

870 / 1071 page

Section 24 Power-Down Modes

Rev. 5.00 Aug 08, 2006 page 784 of 982

REJ09B0054-0500

Table 24.1 LSI Internal States in Each Mode

Function

High-

Speed

Medium-

Speed

Sleep

Module

Stop

Watch

Sub

active

Subsleep

Software

Standby

Hardware

Standby

System clock pulse

generator

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Halted

Subclock pulse

generator

Function-

ing/halted

Function-

ing/halted

Function-

ing/halted

Function-

ing/halted

Function-

ing

Function-

ing

Function-

ing

Function-

ing/halted

Halted

CPU

Instruc-

tions

Halted

Registers

Function-

ing

Medium-

speed

operation

Retained

Function-

ing

Retained

Subclock

operation

Retained Retained Undefined

RAM

Function-

ing

Function-

ing

Function-

ing (DTC)

Function-

ing

Retained Function-

ing

Retained Retained Retained

I/O

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Retained Function-

ing

Function-

ing

Retained High

impedance

NMI

External

interrupts

IRQn

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Halted

Peripheral

functions

PBC

Function-

ing

Medium-

speed

operation

Function-

ing

Function-

ing/halted

(retained)

Halted

(retained)

Subclock

operation

Halted

(retained)

Halted

(retained)

Halted

(reset)

DTC

DMAC*

Function-

ing

Medium-

speed

operation

Function-

ing

Function-

ing/halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(reset)

WDT_1

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Subclock

operation

Subclock

operation

Subclock

operation

Halted

(retained)

Halted

(reset)

WDT_0

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Halted

(retained)

Subclock

operation

Subclock

operation

Halted

(retained)

Halted

(reset)

TMR

Function-

ing

Function-

ing

Function-

ing

Function-

ing/halted

(retained)

Halted

(retained)

Subclock

operation

Subclock

operation

Halted

(retained)

Halted

(reset)

TPU

SCI

2C*2

D/A*

Function-

ing

Function-

ing

Function-

ing

Function-

ing/halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(reset)

A/D

IEB*

Function-

ing

Function-

ing

Function-

ing

Function-

ing/halted

(reset)

Halted

(reset)

Halted

(reset)

Halted

(reset)

Halted

(reset)

Halted

(reset)

Notes: “Halted (retained)” means that internal register values are retained. The internal state is

“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).

1. Supported only by the H8S/2239 Group.

2. Not available in the H8S/2237 Group and H8S/2227 Group.

3. Not available in the H8S/2227 Group.

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