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2 address break control register (abrkcr) – Renesas H8S/2111B User Manual

Page 104

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Rev. 1.00, 05/04, page 70 of 544

Table 5.2

Correspondence between Interrupt Source and ICR

Register

Bit Bit

Name

ICRA ICRB

ICRC

7 ICRn7

IRQ0

6 ICRn6

IRQ1

FRT

SCI_1

5 ICRn5

IRQ2,

IRQ3 —

4 ICRn4

IRQ4,

IRQ5 —

IIC_0

3 ICRn3

IRQ6,

IRQ7 TMR_0

IIC_1

2 ICRn2

TMR_1

TMR_A,

TMR_B

1 ICRn1

WDT_0

TMR_X,

TMR_Y

LPC

0

ICRn0

WDT_1

Keyboard buffer controller —

[Legend]
n:

A to C

:

Reserved. The write value should always be 0.

5.3.2

Address Break Control Register (ABRKCR)

ABRKCR controls the address breaks. When both the CMF flag and BIE flag are set to 1, an
address break is requested.

Bit Bit

Name

Initial
Value R/W Description

7

CMF

0

R

Condition Match Flag

Address break source flag. Indicates that an address
specified by BARA to BARC is prefetched.

[Setting condition]

When an address specified by BARA to BARC is
prefetched while the BIE flag is set to 1.

[Clearing condition]

When an exception handling is executed for an
address break interrupt.

6
to
1

— All

0

R Reserved

These bits are always read as 0 and cannot be
modified.

0

BIE

0

R/W

Break Interrupt Enable

Enables or disables address break.

0: Disabled

1: Enabled

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