LAN9312 datasheet(297/458 Pages) SMSC

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

Datasheet

SMSC LAN9312

297

Revision 1.2 (04-08-08)

DATASHEET

14.4.2.6

Port x PHY Auto-Negotiation Link Partner Base Page Ability Register

(PHY_AN_LP_BASE_ABILITY_x)

This read-only register contains the advertised ability of the link partner’s PHY and is used in the Auto-

Negotiation process between the link partner and the Port x PHY.

Index (decimal):

Size:

16 bits

BITS

DESCRIPTION

TYPE

DEFAULT

This bit indicates the link partner PHY page capability.

0: Link partner PHY does not advertise next page capability

1: Link partner PHY advertises next page capability

Acknowledge

This bit indicates whether the link code word has been received from the

partner.

0: Link code word not yet received from partner

1: Link code word received from partner

Remote Fault

This bit indicates whether a remote fault has been detected.

0: No remote fault

1: Remote fault detected

RESERVED

Asymmetric Pause

This bit indicates the link partner PHY asymmetric pause capability.

0: No Asymmetric PAUSE toward link partner

1: Asymmetric PAUSE toward link partner

Pause

This bit indicates the link partner PHY symmetric pause capability.

0: No Symmetric PAUSE toward link partner

1: Symmetric PAUSE toward link partner

100BASE-T4

This bit indicates the link partner PHY 100BASE-T4 capability.

0: 100BASE-T4 ability not supported

1: 100BASE-T4 ability supported

100BASE-X Full Duplex

This bit indicates the link partner PHY 100BASE-X full duplex capability.

0: 100BASE-X full duplex ability not supported

1: 100BASE-X full duplex ability supported

100BASE-X Half Duplex

This bit indicates the link partner PHY 100BASE-X half duplex capability.

0: 100BASE-X half duplex ability not supported

1: 100BASE-X half duplex ability supported

10BASE-T Full Duplex

This bit indicates the link partner PHY 10BASE-T full duplex capability.

0: 10BASE-T full duplex ability not supported

1: 10BASE-T full duplex ability supported

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