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IDT82P2821 Datasheet(PDF) 8 Page - Integrated Device Technology |
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IDT82P2821 Datasheet(HTML) 8 Page - Integrated Device Technology |
8 / 151 page List of Figures 8 January 11, 2007 Figure-1 Functional Block Diagram ............................................................................................................................................................................ 12 Figure-2 640-Pin TEPBGA (Top View) - Outline ........................................................................................................................................................ 13 Figure-3 640-Pin TEPBGA (Top View) - Top Left ...................................................................................................................................................... 14 Figure-4 640-Pin TEPBGA (Top View) - Top Right .................................................................................................................................................... 15 Figure-5 640-Pin TEPBGA (Top View) - Bottom Left ................................................................................................................................................. 16 Figure-6 640-Pin TEPBGA (Top View) - Bottom Right ............................................................................................................................................... 17 Figure-7 Switch between Impedance Matching Modes .............................................................................................................................................. 29 Figure-8 Receive Differential Line Interface with Twisted Pair Cable (with transformer) ........................................................................................... 30 Figure-9 Receive Differential Line Interface with Coaxial Cable (with transformer) ................................................................................................... 30 Figure-10 Receive Differential Line Interface with Twisted Pair Cable (transformer-less, non standard compliant) ................................................... 31 Figure-11 Receive Single Ended Line Interface with Coaxial Cable (with transformer) .............................................................................................. 31 Figure-12 Receive Single Ended Line Interface with Coaxial Cable (transformer-less, non standard compliant) ....................................................... 31 Figure-13 Receive Path Monitoring ............................................................................................................................................................................. 32 Figure-14 Transmit Path Monitoring ............................................................................................................................................................................ 32 Figure-15 DSX-1 Waveform Template ........................................................................................................................................................................ 35 Figure-16 T1 Waveform Template Measurement Circuit ............................................................................................................................................. 35 Figure-17 E1 Waveform Template ............................................................................................................................................................................... 36 Figure-18 E1 Waveform Template Measurement Circuit ............................................................................................................................................ 36 Figure-19 Transmit Differential Line Interface with Twisted Pair Cable (with Transformer) ........................................................................................ 40 Figure-20 Transmit Differential Line Interface with Coaxial Cable (with transformer) ................................................................................................. 40 Figure-21 Transmit Differential Line Interface with Twisted Pair Cable (transformer-less, non standard compliant) .................................................. 40 Figure-22 Transmit Single Ended Line Interface with Coaxial Cable (with transformer) ............................................................................................. 40 Figure-23 Jitter Attenuator ........................................................................................................................................................................................... 42 Figure-24 LLOS Indication on Pins .............................................................................................................................................................................. 44 Figure-25 TLOS Detection Between Two Channels .................................................................................................................................................... 46 Figure-26 Pattern Generation (1) ................................................................................................................................................................................. 48 Figure-27 Pattern Generation (2) ................................................................................................................................................................................. 48 Figure-28 PRBS / ARB Detection ................................................................................................................................................................................ 49 Figure-29 IB Detection ................................................................................................................................................................................................. 50 Figure-30 Automatic Error Counter Updating .............................................................................................................................................................. 51 Figure-31 Manual Error Counter Updating .................................................................................................................................................................. 51 Figure-32 Priority Of Diagnostic Facilities During Analog Loopback ........................................................................................................................... 54 Figure-33 Priority Of Diagnostic Facilities During Manual Remote Loopback ............................................................................................................. 55 Figure-34 Priority Of Diagnostic Facilities During Digital Loopback ............................................................................................................................ 56 Figure-35 Priority Of Diagnostic Facilities During Manual Remote Loopback + Manual Digital Loopback ................................................................. 58 Figure-36 Priority Of Diagnostic Facilities During Manual Remote Loopback + Automatic Digital Loopback ............................................................. 58 Figure-37 G.772 Monitoring ......................................................................................................................................................................................... 59 Figure-38 Automatic JM Updating ............................................................................................................................................................................... 60 Figure-39 Manual JM Updating ................................................................................................................................................................................... 60 Figure-40 REFA Output Options in Normal Operation ................................................................................................................................................ 63 Figure-41 REFB Output Options in Normal Operation ................................................................................................................................................ 64 Figure-42 REFA Output in LLOS Condition (When RCLKn Is Selected) ..................................................................................................................... 64 Figure-43 REFA Output in No CLKA Condition (When CLKA Is Selected) ................................................................................................................. 65 Figure-44 Interrupt Service Process ............................................................................................................................................................................ 68 Figure-45 Reset ........................................................................................................................................................................................................... 69 Figure-46 1+1 HPS Scheme, Differential Interface (Shared Common Transformer) .................................................................................................. 71 Figure-47 1:1 HPS Scheme, Differential Interface (Individual Transformer) ............................................................................................................... 72 Figure-48 1+1 HPS Scheme, E1 75 ohm Single-Ended Interface (Shared Common Transformer) ........................................................................... 73 List of Figures |
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