LXT9761 datasheet(6/78 Pages) INTEL

Part #	LXT9761

Description	Fast Ethernet 10/100 Multi-Port Transceiver with RMII

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Manufacturer	INTEL [Intel Corporation]

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LXT9761/9781 — Fast Ethernet 10/100 Multi-Port Transceiver with RMII

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Datasheet

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LXT97x1 Power Supply Signal Descriptions....................................................... 18

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LXT97x1 LED Signal Descriptions ...................................................................... 19

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Unused Pins........................................................................................................ 20

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Hardware Configuration Settings ........................................................................ 29

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4B/5B Coding ...................................................................................................... 34

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BSR Mode of Operation ...................................................................................... 43

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Supported JTAG Instructions .............................................................................. 43

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Device ID Register .............................................................................................. 43

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Magnetics Requirements .................................................................................... 46

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Absolute Maximum Ratings ................................................................................ 52

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Operating Conditions .......................................................................................... 52

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Digital I/O Characteristics 1................................................................................. 52

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Digital I/O Characteristics - RMII Pins ................................................................. 53

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Required Clock Characteristics........................................................................... 53

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100BASE-TX Transceiver Characteristics .......................................................... 53

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100BASE-FX Transceiver Characteristics .......................................................... 54

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10BASE-T Transceiver Characteristics............................................................... 54

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100BASE-TX Receive Timing Parameters ......................................................... 55

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100BASE-TX Transmit Timing Parameters ........................................................ 56

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100BASE-FX Receive Timing Parameters ......................................................... 56

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100BASE-FX Transmit Timing Parameters ........................................................ 57

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10BASE-T Receive Timing Parameters.............................................................. 58

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10BASE-T Transmit Timing Parameters............................................................. 58

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Auto-Negotiation and Fast Link Pulse Timing Parameters ................................. 59

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MDIO Timing Parameters ................................................................................... 60

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Power-Up Timing Parameters............................................................................ 61

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RESET and Power-Down Recovery Timing Parameters ................................... 61

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Register Set ........................................................................................................ 62

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Register Bit Map.................................................................................................. 63

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Control Register (Address 0)............................................................................... 65

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Status Register (Address 1) ................................................................................ 65

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PHY Identification Register 1 (Address 2)........................................................... 66

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PHY Identification Register 2 (Address 3)........................................................... 67

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Auto-Negotiation Advertisement Register (Address 4) ....................................... 67

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Auto-Negotiation Link Partner Base Page Ability Register (Address 5) .............. 68

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Auto-Negotiation Expansion (Address 6) ............................................................ 69

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Auto-Negotiation Next Page Transmit Register (Address 7)............................... 69

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Auto-Negotiation Link Partner Next Page Receive Register (Address 8) ........... 70

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Port Configuration Register (Address 16, Hex 10) .............................................. 70

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Quick Status Register (Address 17, Hex 11) ...................................................... 71

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Interrupt Enable Register (Address 18, Hex 12) ................................................. 72

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Interrupt Status Register (Address 19, Hex 13) .................................................. 73

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LED Configuration Register (Address 20, Hex 14) ............................................. 74

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Out of Band Signaling Register (Address 25) ..................................................... 75

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Transmit Control Register #1 (Address 28)......................................................... 76

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Transmit Control Register #2 (Address 30)......................................................... 76

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