V62SLASH12615-01XE-R datasheet(71/92 Pages) TI1

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DP83848-EP

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SLLSEC6D – SEPTEMBER 2012 – REVISED JUNE 2013

9.2.5

Auto-Negotiation Advertisement Register (ANAR)

This register contains the advertised abilities of this device as they will be transmitted to its link partner

during Auto-Negotiation.

Table 9-7. Negotiation Advertisement Register (ANAR), Address 0x04

BIT

BIT NAME

DEFAULT

DESCRIPTION

Next Page Indication:

0, RW

0 = Next Page Transfer not desired

1 = Next Page Transfer desired

RESERVED

0, RO/P

RESERVED by IEEE: Writes ignored, Read as 0

Remote Fault:

0, RW

1 = Advertises that this device has detected a Remote Fault

0 = No Remote Fault detected

RESERVED

0, RW

RESERVED for Future IEEE use: Write as 0, Read as 0

Asymmetric PAUSE Support for Full Duplex Links:

The ASM_DIR bit indicates that asymmetric PAUSE is supported.

Encoding and resolution of PAUSE bits is defined in IEEE 802.3

Annex 28B, Tables 28B-2 and 28B-3, respectively. Pause resolution

ASM_DIR

0, RW

status is reported in PHYCR[13:12].

1 = Advertise that the DTE (MAC) has implemented both the optional

MAC control sublayer and the pause function as specified in clause 31

and annex 31B of 802.3u.

0 = No MAC based full duplex flow control

PAUSE Support for Full Duplex Links:

The PAUSE bit indicates that the device is capable of providing the

symmetric PAUSE functions as defined in Annex 31B.

Encoding and resolution of PAUSE bits is defined in IEEE 802.3

Annex 28B, Tables 28B-2 and 28B-3, respectively. Pause resolution

PAUSE

0, RW

status is reported in PHYCR[13:12].

1 = Advertise that the DTE (MAC) has implemented both the optional

MAC control sublayer and the pause function as specified in clause 31

and annex 31B of 802.3u.

0= No MAC based full duplex flow control

100BASE-T4 Support:

0, RO/P

1 = 100BASE-T4 is supported by the local device

0 = 100BASE-T4 not supported

100BASE-TX Full Duplex Support:

TX_FD

Strap, RW

1 = 100BASE-TX Full Duplex is supported by the local device

0 = 100BASE-TX Full Duplex not supported

100BASE-TX Support:

Strap, RW

1 = 100BASE-TX is supported by the local device

0 = 100BASE-TX not supported

10BASE-T Full Duplex Support:

10_FD

Strap, RW

1 = 10BASE-T Full Duplex is supported by the local device

0 = 10BASE-T Full Duplex not supported

10BASE-T Support:

Strap, RW

1 = 10BASE-T is supported by the local device

0 = 10BASE-T not supported

Protocol Selection Bits:

4:0

Selector

<00001>, RW

These bits contain the binary encoded protocol selector supported by

this port. <00001> indicates that this device supports IEEE 802.3u.

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