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DP83815 Datasheet(PDF) 71 Page - National Semiconductor (TI) |
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DP83815 Datasheet(HTML) 71 Page - National Semiconductor (TI) |
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71 / 108 page  71 www.national.com 4.0 Register Set (Continued) 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 |
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