HD404339FS datasheet(13/80 Pages) RENESAS

13 / 80 page

HD404339 Series

Table 1

Initial Values of Flags after MCU Reset

Item

Initial Value

Interrupt flags/mask

Interrupt enable flag (IE)

Interrupt request flag (IF)

Interrupt mask (IM)

Bit registers

Watchdog timer on flag (WDON)

A/D start flag (ADSF)

Input capture status flag (ICSF)

Input capture error flag (ICEF)

AD off flag (IAOF)

RAM enable flag (RAME)

Low speed on flag (LSON)

Direct transfer on flag (DTON)

Bit 3

Bit 2

Bit 1

Bit 0

IMTA

(IM of timer A)

IFTA

(IF of timer A)

IM1

(IM of

INT1)

IF1

(IF of

INT1)

IMTC

(IM of timer C)

IFTC

(IF of timer C)

IMTB

(IM of timer B)

IFTB

(IF of timer B)

IMS

(IM of serial)

IFS

(IF of serial)

IMAD

(IM of A/D)

IFAD

(IF of A/D)

$0000

$0001

$0002

$0003

IM0

(IM of

INT0)

IF0

(IF of

INT0)

RSP

(Reset SP bit)

(Interrupt

enable flag)

ICSF

(Input capture

status flag)

$020

$021

$022

$023

DTON

(Direct transfer

on flag)

ADSF

(A/D start flag)

WDON

(Watchdog

on flag)

LSON

(Low speed

on flag)

ICEF

(Input capture

error flag)

RAME

(RAM enable

flag)

IF: Interrupt

request flag

IM: Interrupt

mask

IE: Interrupt

enable flag

SP: Stack pointer

Bit 3

Bit 2

Bit 1

Bit 0

RAM Address

IAOF

(IAD off flag)

Not used

Interrupt control bits area

Figure 3 Interrupt Control Bits and Register Flag Areas Configuration

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