AR8327-AL1A-R datasheet(350/394 Pages) ETC2

350 / 394 page

350 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

350 • June 2011

COMPANY CONFIDENTIAL

3.10.6

Link Partner Ability Register

Address Offset: 0x05, or 0d05

Table 3-371, “Link Partner Ability Register,” on page 350 summarizes the Register

Table 3-371.

Link Partner Ability Register

100BASE-TX

Half Duplex

Mode

R/W

The value of this bit will be updated immediately after

writing this register. But the value written to this bit does

not takes effect until any one of the following occurs:

o Software reset is asserted (register 0.15)

o Restart Auto-Negotiation is asserted (register 0.9)

o Power down (register 0.11) transitions from power down

to normal operation

o Link goes down

1 = Advertise

0 = Not advertised

HW Rst

SW Rst

Update

10BASE-TX

Full Duplex

Mode

R/W

The value of this bit will be updated immediately after

writing this register. But the value written to this bit does

not takes effect until any one of the following occurs:

o Software reset is asserted (register 0.15)

o Restart Auto-Negotiation is asserted (register 0.9)

o Power down (register 0.11) transitions from power down

to normal operation

o Link goes down

1 = Advertise

0 = Not advertised

HW Rst

SW Rst

Update

10BASE-TX

Half Duplex

Mode

R/W

The value of this bit will be updated immediately after

writing this register. But the value written to this bit does

not takes effect until any one of the following occurs:

o Software reset is asserted (register 0.15)

o Restart Auto-Negotiation is asserted (register 0.9)

o Power down (register 0.11) transitions from power down

to normal operation

o Link goes down

1 = Advertise

0 = Not advertised

HW Rst

SW Rst

Update

4:0

Selector Field

Mode

Selector Field mode

00001 = 802.3

HW Rst

Always

00001

SW Rst

Always

00001

Bit

Symbol

Type

Description

Bit

Symbol

Type

Description

Mode

Received Code Word Bit 15

1 = Link partner capable of next page

0 = Link partner not capable of next

page

HW Rst

SW Rst

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