Datasheet

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8.0 Register Block (Continued)
This register also contains the Link Partner Next Page contents.
15 NP X RO Next Page Indication:
0 = Link Partner does not desire another Next Page Transfer
1 = Link Partner desires another Next Page Transfer
14 ACK X, RO Acknowledge:
1 = Link Partner acknowledges reception of the ability data word
0 = Not acknowledged
The Device's Auto-Negotiation state machine will automatically
control the use of this bit from the incoming FLP bursts. Software
should not attempt to write to this bit.
13 MP X, RO Message Page:
1 = Message Page
0 = Unformatted Page
12 ACK2 X, RO Acknowledge 2:
0 = Link Partner does not have the ability to comply to next page
message
1 = Link Partner has the ability to comply to next page message
11 TOGGLE X, RO Toggle:
0 = Previous value of the transmitted Link Code word equalled
logic one
1 = Previous value of the transmitted Link Code word equalled
logic zero
10:0 CODE XXX, RW 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 "Un-
formatted Page," and the interpretation is application specific.
Table 12. Auto-Negotiation Expansion Register (ANER) Address 06h
Bit Bit Name Default Description
15:5 Reserved 0, RO Reserved: Writes ignored, Read as 0.
4 PDF 0, RO Parallel Detection Fault:
1 = A fault has been detected via the Parallel Detection function
0 = A fault has not been detected via the Parallel Detection func-
tion
3 LP_NP_ABLE 0, RO Link Partner Next Page Able:
Status indicating if the Link Partner supports Next Page negotia-
tion. A one indicates that the Link Partner does support Next
Page.
2 NP_ABLE 1, RO/P Next Page Able:
Indicates if this node is able to send additional “Next Pages.”
1 PAGE_RX 0, RO/L Link Code Word Page Received:
This bit is set when a new Link Code Word Page has been re-
ceived. Cleared on read of this register.
0 LP_AN_ABLE 0, RO Link Partner Auto-Negotiation Able:
A one in this bit indicates that the Link Partner supports Auto-Ne-
gotiation.
Table 11. Auto-Negotiation Link Partner Ability Register (ANLPAR) Address 05h
Bit Bit Name Default Description