Datasheet

DP83848VYB

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SNLS266D –MAY 2007–REVISED APRIL 2013

Table 10-8. Auto-Negotiation Link Partner Ability Register (ANLPAR) (BASE Page), address 0x05h

(continued)

Bit Bit Name Default Description

7 TX 0, RO 100BASE-TX Support:

1 = 100BASE-TX is supported by the Link Partner.

0 = 100BASE-TX not supported by the Link Partner.

6 10_FD 0, RO 10BASE-T Full Duplex Support:

1 = 10BASE-T Full Duplex is supported by the Link Partner.

0 = 10BASE-T Full Duplex not supported by the Link Partner.

5 10 0, RO 10BASE-T Support:

1 = 10BASE-T is supported by the Link Partner.

0 = 10BASE-T not supported by the Link Partner.

4:0 SELECTOR <0 0000>, RO Protocol Selection Bits:

Link Partners binary encoded protocol selector.

10.1.1.7 Auto-Negotiation Link Partner Ability Register (ANLPAR) (Next Page)

Table 10-9. Auto-Negotiation Link Partner Ability Register (ANLPAR) (Next Page), address 0x05h

Bit Bit Name Default Description

15 NP 0, RO Next Page Indication:

1 = Link Partner desires Next Page Transfer.

0 = Link Partner does not desire Next Page Transfer.

14 ACK 0, RO Acknowledge:

1 = Link Partner acknowledges reception of the ability data word.

0 = Not acknowledged.

The Auto-Negotiation state machine will automatically control the this bit based on the

incoming FLP bursts. Software should not attempt to write to this bit.

13 MP 0, RO Message Page:

1 = Message Page.

0 = Unformatted Page.

12 ACK2 0, RO Acknowledge 2:

1 = Link Partner does have the ability to comply to next page message.

0 = Link Partner does not have the ability to comply to next page message.

11 TOGGLE 0, RO Toggle:

1 = Previous value of the transmitted Link Code word equaled 0.

0 = Previous value of the transmitted Link Code word equaled 1.

10:0 CODE <000 0000 0000>, Code:

This field represents the code field of the next page transmission. If the MP bit is set

(bit 13 of this register), then the code shall be interpreted as a Message Page, as

defined in annex 28C of Clause 28. Otherwise, the code shall be interpreted as an

Unformatted Page, and the interpretation is application specific.

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