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9880 Datasheet(PDF) 6 Page - Intel Corporation |
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9880 Datasheet(HTML) 6 Page - Intel Corporation |
6 / 118 page LXT9860/9880 — Advanced 10/100 Repeater with Integrated Management 6 Datasheet Document #: 248987 Revision#: 003 Rev Date: 08/07/01 Figures 1 LXT98x0 Block Diagram ..................................................................................... 11 2 LXT98x0 Pin Assignments .................................................................................. 12 3 Typical LXT988x Managed Repeater Architectures ........................................... 32 4 MII Interface ........................................................................................................ 34 5 LED Blink Rates .................................................................................................. 39 6 Serial LED Shift Loading .................................................................................... 40 7 Serial LED Port Signaling.................................................................................... 41 8 100 Mbps IRB Connection .................................................................................. 49 9 IRB Block Diagram ............................................................................................. 50 10 LXT9880 MII Operation ....................................................................................... 52 11 Typical SMI Bus Architecture ............................................................................. 52 12 SMI Collision Handling ........................................................................................ 54 13 SMI Address Match Indication ............................................................................ 54 14 Serial Management Frame Format ..................................................................... 55 15 Address Arbitration Mechanisms ....................................................................... 58 16 Optional R/W Serial PROM Interface .................................................................. 60 17 Serial Configuration Interface.............................................................................. 61 18 Serial Configuration Interface Signaling .............................................................. 61 19 8-Port Managed 10/100 Stackable Repeater ...................................................... 62 20 32-Port Managed 10/100 Repeater..................................................................... 62 21 Power and Ground Connections ......................................................................... 65 22 Typical Twisted-Pair Port Interface and Power Supply Filtering ........................ 67 23 Typical Serial Management Interface Connections............................................. 68 24 Serial Controller Connection Showing PAL......................................................... 68 25 Serial PROM Interface ........................................................................................ 69 26 Typical Reset Circuit .......................................................................................... 69 27 LED Circuits - Direct Drive & Multiplexed Configuration Inputs .......................... 70 28 Serial LED Circuit................................................................................................ 71 29 100 Mbps Backplane Connection between LXT98x and LXT98x0 ..................... 73 30 Typical 100 Mbps IRB Implementation ............................................................... 74 31 Typical 10 Mbps IRB Implementation ................................................................ 74 32 100 Mbps TP Port-to-Port Delay Timing ............................................................. 79 33 100BASE-TX MII-to-TP Port Timing ................................................................... 80 34 100BASE-TX TP-to-MII Timing ........................................................................... 81 35 10BASE-T MII-to-TP Timing ............................................................................... 82 36 10BASE-T TP-to-MII Timing ............................................................................... 83 37 100 Mbps TP-to-IRB Timing................................................................................ 84 38 10 Mbps TP-to-IRB Timing.................................................................................. 84 39 10 Mbps IRB-to-TP Port Timing .......................................................................... 85 40 Serial Management Interface Timing .................................................................. 86 41 PROM Interface Timing....................................................................................... 87 42 LXT98x0 Package Specifications for Commercial Temperature....................... 117 43 LXT98x0 Package Specifications for Extended Temperature........................... 118 |
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