AR8327-AL1A-R datasheet(362/394 Pages) ETC2

362 / 394 page

362 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

362 • June 2011

COMPANY CONFIDENTIAL

3.10.18 Interrupt Status Register

Address Offset: 0x13, or 0d19

Table 3-383, “Interrupt Status Register,” on page 362 summarizes the Register

Table 3-383.

Interrupt Status Register

Polarity

Changed

Interrupt Enable

Mode

R/W

1 = Interrupt enable

0 = Interrupt disable

HW Rst

SW Rst

Retain

Jabber Interrupt

Enable

Mode

R/W

1 = Interrupt enable

0 = Interrupt disable

HW Rst

SW Rst

Retain

Bit

Symbol

Type

Description

Bit

Symbol

Type

Description

Auto-

Negotiation

Error

Mode

RO, LH

An error is said to occur if MASTER/SLAVE does not

resolve, parallel detect fault, no common HCD, or link

does not come up after negotiation is completed.

1 = Auto-Negotiation Error

0 = No Auto-Negotiation Error

HW Rst

SW Rst

Retain

Speed Changed

Mode

RO, LH

1 = Speed changed

0 = Speed not changed

HW Rst

SW Rst

Retain

Reserved

Mode

RO, LH

Reserved

HW Rst

SW Rst

Retain

Page Received

Mode

1 = Page received

0 = Page not received

HW Rst

SW Rst

Retain

Auto-

Negotiation

Completed

Mode

1 = Auto-Negotiation completed

0 = Auto-Negotiation not completed

HW Rst

SW Rst

Retain

Link Status

Changed

Mode

RO, LH

1 = Link status changed

0 = Link status not changed

HW Rst

SW Rst

Retain

Symbol Error

Mode

RO, LH

1 = Symbol error

0 = No symbol error

HW Rst

SW Rst

Retain

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