LAN9312 datasheet(252/458 Pages) SMSC

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

Datasheet

Revision 1.2 (04-08-08)

252

SMSC LAN9312

DATASHEET

14.2.8.5

Virtual PHY Auto-Negotiation Advertisement Register (VPHY_AN_ADV)

This read/write register contains the advertised ability of the Virtual PHY and is used in the Auto-

Negotiation process with the link partner.

Note:

This register is re-written in its entirety by the EEPROM Loader following the release or reset

or a RELOAD command. Refer to Section 10.2.4, "EEPROM Loader," on page 149 for more

information.

Offset:

Index (decimal):

1D0h

Size:

32 bits

BITS

DESCRIPTION

TYPE

DEFAULT

31:16

RESERVED

(See Note 14.27)

This bit determines the advertised next page capability and is always 0.

0: Virtual PHY does not advertise next page capability

1: Virtual PHY advertises next page capability

Note 14.28

RESERVED

Remote Fault

This bit is not used since there is no physical link partner.

Note 14.29

RESERVED

Asymmetric Pause

This bit determines the advertised asymmetric pause capability.

0: No Asymmetric PAUSE toward link partner advertised

1: Asymmetric PAUSE toward link partner advertised

R/W

Pause

This bit determines the advertised symmetric pause capability.

0: No Symmetric PAUSE toward link partner advertised

1: Symmetric PAUSE toward link partner advertised

R/W

Note 14.30

100BASE-T4

This bit determines the advertised 100BASE-T4 capability and is always 0.

0: 100BASE-T4 ability not advertised

1: 100BASE-T4 ability advertised

Note 14.31

100BASE-X Full Duplex

This bit determines the advertised 100BASE-X full duplex capability.

0: 100BASE-X full duplex ability not advertised

1: 100BASE-X full duplex ability advertised

R/W

100BASE-X Half Duplex

This bit determines the advertised 100BASE-X half duplex capability.

0: 100BASE-X half duplex ability not advertised

1: 100BASE-X half duplex ability advertised

R/W

10BASE-T Full Duplex

This bit determines the advertised 10BASE-T full duplex capability.

0: 10BASE-T full duplex ability not advertised

1: 10BASE-T full duplex ability advertised

R/W

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