dp83846a National Semiconductor Corporation, dp83846a Datasheet - Page 35

• Manufacturer Part Number: dp83846a
• Description: Dsphyter ? Single 10/100 Ethernet Transceiver
• Manufacturer: National Semiconductor Corporation

This register contains additional Local Device and Link Partner status information.
10:0
15:5
Bit
Bit
15
14
13
12
11
4
3
2
1
0
Table 13. Auto-Negotiation Link Partner Ability Register (ANLPAR) Next Page, address 0x05
LP_NP_ABLE
LP_AN_ABLE
RESERVED
PAGE_RX
NP_ABLE
Bit Name
Bit Name
Toggle
CODE
ACK2
ACK
PDF
MP
NP
Table 14. Auto-Negotiate Expansion Register (ANER), address 0x06
<000 0000 0000>,
0, RO/LH/COR
0, RO/LH/COR
1, RO/P
Default
Default
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
RO
Next Page Indication:
1 = Link Partner desires Next Page Transfer.
0 = Link Partner does not desire Next Page Transfer.
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 this bit based on the incoming FLP bursts. Software
should not attempt to write to this bit.
Message Page:
1 = Message Page.
0 = Unformatted Page.
Acknowledge 2:
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.
Toggle:
1 = Previous value of the transmitted Link Code word equalled 0.
0 = Previous value of the transmitted Link Code word equalled 1.
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 “Unfor-
matted Page”, and the interpretation is application specific.
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.
Link Partner Next Page Able:
1 = Link Partner does support Next Page.
0 = Link Partner does not support Next Page.
Next Page Able:
1 = Indicates local device is able to send additional “Next Pages”.
Link Code Word Page Received:
1 = Link Code Word has been received, cleared on a read.
0 = Link Code Word has not been received.
Link Partner Auto-Negotiation Able:
1 = indicates that the Link Partner supports Auto-Negotiation.
0 = indicates that the Link Partner does not support Auto-Negotia-
tion.
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Description
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