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LXT975AHC Datasheet(PDF) 5 Page - Intel Corporation |
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LXT975AHC Datasheet(HTML) 5 Page - Intel Corporation |
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5 / 74 page  Datasheet 5 Fast Ethernet 10/100 Quad Transceivers — LXT974/LXT975 Figures 1 LXT974/975 Block Diagram .................................................................................. 9 2 LXT974 Pin Assignments ................................................................................... 10 3 LXT975 Pin Assignments ................................................................................... 12 4 LXT974 Switch Application ................................................................................. 19 5 LXT975 Switch Application ................................................................................. 20 6 MII Data Interface ...............................................................................................22 7 Loopback Paths .................................................................................................. 24 8 Management Interface - Read Frame Structure ................................................. 25 9 Management Interface - Write Frame Structure ................................................. 25 10 MDIO Interrupt Signaling .................................................................................... 25 11 Hardware Interface Mode Selection ................................................................... 28 12 LXT974/975 Auto-Negotiation Operation ........................................................... 30 13 100BASE-TX Data Flow ..................................................................................... 31 14 100BASE-TX Frame Structure ........................................................................... 31 15 LXT974/975 Protocol Sublayers ......................................................................... 33 16 100BASE-TX Reception with No Errors ............................................................. 34 17 100BASE-TX Reception with Invalid Symbol ..................................................... 34 18 100BASE-TX Transmission with No Errors ........................................................ 34 19 100BASE-TX Transmission with Collision .......................................................... 34 20 Typical LXT974 Twisted-Pair Single RJ-45 Modular Application ....................... 44 21 Typical LXT975 Twisted-Pair Stacked RJ-45 Modular Application .................... 45 22 LXT974/975 Power and Ground Connections .................................................... 46 23 Typical Twisted-Pair Interface and Supply Filtering ........................................... 47 24 Typical Fiber Interface ........................................................................................ 48 25 Typical MII Interface ........................................................................................... 49 26 MII - 100BASE-TX Receive Timing .................................................................... 53 27 MII - 100BASE-TX Transmit Timing ................................................................... 54 28 MII - 100BASE-FX Receive Timing .................................................................... 55 29 MII - 100BASE-FX Transmit Timing ................................................................... 56 30 MII - 10BASE-T Receive Timing ........................................................................ 57 31 MII - 10BASE-T Transmit Timing ....................................................................... 58 32 10BASE-T SQE (Heartbeat) Timing ................................................................... 58 33 10BASE-T Jab and Unjab Timing ...................................................................... 59 34 Auto Negotiation and Fast Link Pulse Timing .................................................... 60 35 Fast Link Pulse Timing ....................................................................................... 60 36 MDIO Timing when Sourced by STA ................................................................. 61 37 MDIO Timing When Sourced by PHY ................................................................ 61 38 Power Down Timing ........................................................................................... 62 39 Serial LED Timing .............................................................................................. 62 40 PHY Identifier Bit Mapping ..................................................................................66 41 LXT974/975 Package Specification ................................................................... 73 |
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Similar Description - LXT975AHC |
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