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AM79C901AVCT датащи(PDF) 45 Page - Advanced Micro Devices |
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AM79C901AVCT датащи(HTML) 45 Page - Advanced Micro Devices |
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45 / 90 page ![]() Am79C901A 45 PR ELI M IN AR Y HPR1: HomePNA PHY Status Register (Register 1) Table 18. HPR1: HomePNA PHY Status Register (Register 1) Bits Name Description Read/Write Default Value (hex) 15 100BASE-T4 0 = PHY not able to perform 100BASE-T4 R0 14 100BASE-X Full-Duplex 0 = PHY not able to perform Full-Duplex 100BASE-X R0 13 100BASE-X Half-Duplex 0 = PHY not able to perform Half-Duplex 100BASE-X R0 12 10 Mbps Full-Duplex 0 = PHY not able to perform 10 Mbps in Full-Duplex R0 11 10 Mbps Half-Duplex 1 = PHY able to perform 10 Mbps in Half-Duplex R1 10:7 Reserved Reads will produce undefined results RX 6 Management Frame Preamble Suppression 1 = PHY will accept management frames with Preamble suppressed 0 = PHY will not accept management frames with Preamble suppressed R1 5 Auto-Negotiation Complete 1 = Auto-Negotiation completed 0 = Auto-Negotiation not completed R0 4 Remote Fault 1 = Remote fault detected 0 = Normal operation R0 3 Auto-Negotiation Ability 1 = PHY is able to perform Auto-Negotiation 0 = PHY is not able to perform Auto-Negotiation R0 2 Link Status 1 = Link is up 0 = Link is down This bit will be RESET (latched low and re-enabled on Read). R0 1 Jabber Detect 1 = Jabber condition detected 0 = Normal operation R0 0 Extended Capability 1 = Extended Register capability 0 = Basic Register Set capability R1 |
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