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LAN9252/ML 数据表(PDF) 174 Page - Microchip Technology |
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LAN9252/ML 数据表(HTML) 174 Page - Microchip Technology |
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174 / 329 page ![]() LAN9252 DS00001909A-page 174 2015 Microchip Technology Inc. 11.2.16.22 PHY x Special Control/Status Register (PHY_SPECIAL_CONTROL_STATUS_x) This read/write register is used to control and monitor various options of the PHY. Index (decimal): 31 Size: 16 bits Bits Description Type Default 15:13 RESERVED RO - 12 Autodone This bit indicates the status of the Auto-Negotiation on the PHY. 0: Auto-Negotiation is not completed, is disabled, or is not active 1: Auto-Negotiation is completed RO 0b 11:5 RESERVED - Write as 0000010b, ignore on read R/W 0000010b 4:2 Speed Indication This field indicates the current PHY speed configuration. RO XXXb 1:0 RESERVED RO 0b STATE DESCRIPTION 000 RESERVED 001 10BASE-T Half-duplex 010 100BASE-TX Half-duplex 011 RESERVED 100 RESERVED 101 10BASE-T Full-duplex 110 100BASE-TX Full-duplex 111 RESERVED |
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