HD404448 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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Компоненты Описание

производитель

HD404448

Four timer/counters

Hitachi -> Renesas Electronics 

HD404449 Series

Bit 3

IM0

0

(IM of INT0)

Bit 2

IF0

(IF of INT0)

Bit 1

RSP

(Reset SP bit)

1

IMTA

(IM of timer A)

IFTA

(IF of timer A)

IM1

(IM of INT1)

Bit 0

IE

(Interrupt

enable flag)

IF1

(IF of INT1)

$000

$001

2

IMTC

(IM of timer C)

IFTC

(IF of timer C)

IMTB

(IM of timer B)

IFTB

(IF of timer B)

$002

IMS1

3

(IM of serial

interface 1)

IFS1

(IF of serial

interface 1)

IMTD

(IM of timer D)

IFTD

(IF of timer D)

$003

Interrupt control bits area

Bit 3

DTON

32 (Direct transfer

on flag)

RAME

33 (RAM enable

flag)

34

IM3

(IM of INT3)

IMS2

35 (IM of serial

interface 2)

Bit 2

ADSF

(A/D start flag)

Not used

Bit 1

WDON

(Watchdog

on flag)

ICEF

(Input capture

error flag)

IF3

(IF of INT3)

IFS2

(IF of serial

interface 2)

IM2

(IM of INT2)

IMAD

(IM of A/D)

Register flag area

Bit 0

LSON

(Low speed

on flag)

ICSF

(Input capture

status flag)

IF2

(IF of INT2)

IFAD

(IF of A/D)

$020

$021

$022

$023

IF: Interrupt request flag

IM: Interrupt mask

IE: Interrupt enable flag

SP: Stack pointer

Figure 3 Configuration of Interrupt Control Bits and Register Flag Areas

9

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