HD64F2149YV datasheet(776/1075 Pages) RENESAS

776 / 1075 page

Section 24 Power-Down State

Rev. 3.00 Jan 18, 2006 page 748 of 1044

REJ09B0280-0300

Table 24.1

The Chip’s Internal States in Each Mode

Function

High-

Speed

Medium-

Speed

Sleep

Module

Stop

Watch

Subactive Subsleep

Software

Standby

Hardware

Standby

System clock

oscillator

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Halted

Subclock input

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Halted

Instruc-

tions

Function-

ing

Medium-

speed

Halted

Function-

ing

Halted

Subclock

operation

Halted

CPU

operation

Registers

Retained

Retained Undefined

NMI

IRQ0

IRQ1

External

interrupts

IRQ2

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Halted

DTC

Function-

ing

Medium-

speed

Function-

ing

Function-

ing/halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(reset)

WDT1

Subclock

operation

WDT0

Function-

ing

TMR0, 1

Subclock

operation

Subclock

operation

FRT

TMRX, Y

Timer

connec-

tion

IIC0

IIC1

HIF:LPC

Function-

ing/halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

Halted

(retained)

SCI0

SCI1

SCI2

PWM

PWMX

HIF:XBS,

PS2

D/A

A/D

Function-

ing

Function-

ing

Function-

ing

Function-

ing/halted

(reset)

Halted

(reset)

Halted

(reset)

Halted

(reset)

Halted

(reset)

Halted

(reset)

RAM

Function-

ing

Function-

ing

Function-

ing (DTC)

Function-

ing

Retained

Function-

ing

Retained

Retained Retained

On-chip

supporting

module

operation

I/O

Function-

ing

Function-

ing

Function-

ing

Function-

ing

Retained

Function-

ing

Function-

ing

Retained High

impedance

Note:

“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).

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