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DP83867IRPAPRG4 Datasheet(PDF) 60 Page - Texas Instruments |
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DP83867IRPAPRG4 Datasheet(HTML) 60 Page - Texas Instruments |
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60 / 139 page  7.6.8 Auto-Negotiation Next Page Transmit Register (ANNPTR) This register contains the next page information sent by this device to the Link Partner during Auto-Negotiation. Table 7-17. Auto-Negotiation Next Page Transmit Register (ANNPTR), Address 0x0007 BIT BIT NAME DEFAULT DESCRIPTION 15 NP 0, RW Next Page Indication: 0 = No other Next Page Transfer desired. 1 = Another Next Page desired. 14 ACK 0, RO Acknowledge: 1 = Acknowledge reception of link code word 0 = Do not acknowledge of link code word. 13 MP 1, RW Message Page: 1 = Current page is a Message Page. 0 = Current page is an Unformatted Page. 12 ACK2 0, RW Acknowledge2: 1 = Complies with message. 0 = Cannot comply with message. Acknowledge2 is used by the next page function to indicate that Local Device has the ability to comply with the message received. 11 TOG_TX 0, RO Toggle: 1 = Value of toggle bit in previously transmitted Link Code Word was 0. 0 = Value of toggle bit in previously transmitted Link Code Word was 1. Toggle is used by the Arbitration function within Auto-Negotiation to verify synchronization with the Link Partner during Next Page exchange. This bit always take the opposite value of the Toggle bit in the previously exchanged Link Code Word. 10:0 CODE 000 0000 0001, RW 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 IEEE 802.3u. Otherwise, the code shall be interpreted as an "Unformatted Page”, and the interpretation is application specific. The default value of the CODE represents a Null Page as defined in Annex 28C of IEEE 802.3u. DP83867IR, DP83867CR SNLS484I – FEBRUARY 2015 – REVISED JANUARY 2025 www.ti.com 60 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: DP83867IR DP83867CR |
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