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DP83867CS 数据表(PDF) 59 Page - Texas Instruments |
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DP83867CS 数据表(HTML) 59 Page - Texas Instruments |
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59 / 129 page  7.6.15 PHY Status Register (PHYSTS) This register provides a single location within the register set for quick access to commonly accessed information. Table 7-25. PHY Status Register (PHYSTS), Address 0x0011 BIT BIT NAME DEFAULT DESCRIPTION 15:14 SPEED SELECTION 0, RO Speed Select Status: These two bits indicate the speed of operation as determined by Auto-Negotiation or as set by manual configuration. 11 = Reserved 10 = 1000Mbps 01 = 100Mbps 00 = 10Mbps 13 DUPLEX MODE 0, RO Duplex Mode Status: 1 = Full Duplex 0 = Half Duplex. 12 PAGE RECEIVED 0, RO, LH, COR Page Received: This bit is latched high and cleareds upon a read. 1 = Page received. 0 = No page received. 11 SPEED DUPLEX RESOLVED 0, RO Speed Duplex Resolution Status: 1 = Auto-Negotiation has completed or is disabled. 0 = Auto-Negotiation is enabled and has not completed. 10 LINK_STATUS 0, RO Link Status: 1 = Link is up. 0 = Link is down. 9 MDI_X_MODE_CD 0, RO MDI/MDIX Resolution Status for C and D Line Driver Pairs: 1 = Resolved as MDIX 0 = Resolved as MDI. 8 MDI_X_MODE_AB 0, RO MDI/MDIX Resolution Status for A and B Line Driver Pairs: 1 = Resolved as MDIX 0 = Resolved as MDI. 7 SPEED_OPT_STATUS 0, RO Speed Optimization Status: 1 = Auto-Negotiation is currently being performed with Speed Optimization masking 1000BaseT abilities (Valid only during Auto- Negotiation). 0 = Auto-Negotiation is currently being performed without Speed Optimization. 6 SLEEP_MODE 0, RO Sleep Mode Status: 1 = Device currently in sleep mode. 0 = Device currently in active mode. 5:2 WIRE_CROSS 0, RO Crossed Wire Indication: Indicates channel polarity in 1000BASE-T linked status. Bits [5:2] correspond to channels [D,C,B,A], respectively. 1 = Channel polarity is reversed. 0 = Channel polarity is normal. www.ti.com DP83867CS, DP83867IS, DP83867E SNLS504F – OCTOBER 2015 – REVISED JANUARY 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 59 Product Folder Links: DP83867CS DP83867IS DP83867E |
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