FW323-05 View Datasheet(PDF) - Agere -> LSI Corporation

Part Name

Description

View to exact match

FW323-05

1394A PCI PHY/Link Open Host Controller Interface

Agere -> LSI Corporation 

Data Sheet, Rev. 2

October 2001

FW323 05

1394A PCI PHY/Link Open Host Controller Interface

Internal Registers (continued)

Interrupt Line and Pin Register

The interrupt line and pin register is used to communicate interrupt line routing information.

Table 19. Interrupt Line and Pin Register

Bit

Field

Name

15

INTR_PIN

14

13

12

11

10

9

8

7

INTR_LINE

6

5

4

3

2

1

0

Type

R

R

R

R

R

R

R

R

RW

RW

RW

RW

RW

RW

RW

RW

Default

0

0

0

0

0

0

0

1

0

0

0

0

0

0

0

0

Register:

Type:

Offset:

Default:

Interrupt line and pin register

Read/write

3Ch

0100h

Table 20. Interrupt Line and Pin Register Description

Bit

Field Name

Type

Description

15:8

INTR_PIN

R Interrupt Pin Register. This register returns 01h when read, indi-

cating that the FW323 PCI function signals interrupts on the INTA pin.

7:0

INTR_LINE

RW Interrupt Line Register. This register is programmed by the system

and indicates to software to which interrupt line the FW323 INTA is

connected.

Agere Systems Inc.

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