7.1.7 Auto-Negotiation Link Partner Ability Register (ANLPAR) (Next Page)
Table 18. Auto-Negotiation Link Partner Ability Register (ANLPAR) (Next Page), address 0x05
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.
Acknowledge:
14
ACK
0, RO
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 at-
tempt to write to this bit.
13
12
MP
0, RO
0, RO
Message Page:
1 = Message Page.
0 = Unformatted Page.
Acknowledge 2:
ACK2
1 = Link Partner does have the ability to comply to next page mes-
sage.
0 = Link Partner does not have the ability to comply to next page
message.
11
Toggle
CODE
0, RO
Toggle:
1 = Previous value of the transmitted Link Code word equalled 0.
0 = Previous value of the transmitted Link Code word equalled 1.
10:0
<00000000000>, Code:
RO
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 “Unfor-
matted Page,” and the interpretation is application specific.
7.1.8 Auto-Negotiate Expansion Register (ANER)
This register contains additional Local Device and Link Partner status information.
Table 19. Auto-Negotiate Expansion Register (ANER), address 0x06
Bit
15:5
4
Bit Name
RESERVED
PDF
Default
0, RO
0, RO
Description
RESERVED: Writes ignored, Read as 0.
Parallel Detection Fault:
1 = A fault has been detected via the Parallel Detection function.
0 = A fault has not been detected.
3
LP_NP_ABLE
0, RO
Link Partner Next Page Able:
1 = Link Partner does support Next Page.
0 = Link Partner does not support Next Page.
Next Page Able:
2
1
NP_ABLE
PAGE_RX
1, RO/P
1 = Indicates local device is able to send additional “Next Pages”.
Link Code Word Page Received:
0, RO/COR
1 = Link Code Word has been received, cleared on a read.
0 = Link Code Word has not been received.
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