Datasheet

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4.0 Register Set (Continued)
DP83815
4.3.7 Auto-Negotiate Expansion Register
This register contains additional Local Device and Link Partner status information.
4.3.8 Auto-Negotiation Next Page Transmit Register
This register contains the next page information sent by this device to its Link Partner during Auto-Negotiation.
5 10 10BASE-T Support:
1 = 10BASE-T is supported by the Link Partner
0 = 10BASE-T not supported by the Link Partner
4:0 Selector Protocol Selection Bits:
Link Partners’s binary encoded protocol selector.
Tag: ANER Size: 16 bits Hard Reset: 0004h
Offset: 0098h Access: Read Only
Bit Bit Name Description
15:5 Reserved Reserved: Writes ignored, Read as 0.
4 PDF 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 Link Partner Next Page Able:
1 = Link Partner does support Next Page
0 = Link Partner does not support Next Page
2 NP_ABLE Next Page Able:
1 = Indicates local device is able to send additional “Next Pages”
1 PAGE_RX Link Code Word Page Received: RO/COR
1 =Link Code Word has been received, cleared on a read
0 = Link Code Word has not been received
0 LP_AN_ABLE Link Partner Auto-Negotiation Able:
1 = Indicates that the Link Partner supports Auto-Negotiation
0 = Indicates that the Link Partner does not support Auto-Negotiation
Tag: ANNPTR Size: 16 bits Hard Reset: 2001h
Offset: 009Ch Access: Read Write
Bit Bit Name Description
15 NP Next Page Indication: Default: 0
0 = No other Next Page Transfer desired
1 = Another Next Page desired
14 Reserved Reserved: Writes ignored, read as 0
13 MP Message Page: Default: 1
1 = Message Page
0 = Un-formatted Page
Bit Bit Name Description
Obsolete