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| BACKPLANE PRODUCTS VSC7281 Dual XAUI - Single XGMII Quad 0.95 Gbps to 3.25 Gbps Transceiver F E AT U R E S : IEEE802.3ae 10 Gigabit Ethernet Compliant ANSI 10Gb Fibre Channel Compliant Dual XAUI Serial Bus Single XGMII Parallel Bus 0.95 Gbps to 3.25 Gbps Quad SerDes/Transceiver XAUI Compliant Retimer and Repeater Modes Simultaneous Operation at Multiple Frequencies A P P L I C AT I O N S : 10 Gigabit Ethernet and Fibre Channel Links - XENPAK, X2, XPAK Module Connections High Speed Serial Backplanes - XAUI Channel - Independent Channel Control Box-to-Box Serial Communications - Copper, Coax, and Fiber Programmable Pre-Emphasis and Signal Equalization 8B/10B Encoder/Decoder with Optional Bypass Programmable Rate Matching Characters Elastic Buffer for Intra/Inter-Chip Deskewing and Channel-toChannel Alignment Received Data Aligned to Local REFCLK or to Recovered Clock TX and RX Rate Matching for FC, 1GbE, and InfiniBandTM S P E C I F I C AT I O N S : Packaged in a 324-pin, 19mm x 19mm TEPBGA Input Termination, Internal 100 Differential Input Signal Detection and Signal Equalization Multiple Internal Clocking Modes Output Reduced Swing Level for Optics Serial and Parallel Loopback Fast Locking CRU Flexible CMU Operation IEEE802.3 MDIO Register Interface Multiple Built-In-Self Test Diagnostics and Counters - PRBS, CRPAT, CJPAT Pattern Generation XAUI-A Parallel Port XGMII Encode/ Decode 4x4 MUX XAUI-B CMU MDIO DIAG Serial Port A Serial Port B BLOCK DIAGRAM: JTAG Boundary Scan HSTL1.5 and HSTL1.8 Parallel I/O Enterprise Access Metro Core PB-VSC7281-001 VSC7281 Dual XAUI - Single XGMII Quad 0.95 Gbps to 3.25 Gbps Transceiver GENERAL DESCRIPTION: The VSC7281 is a Dual XAUI - Single XGMII Transceiver tailored for 10 Gigabit Ethernet (10GbE) and 10 Gigabit Fibre Channel (10GFC) applications. The feature set and flexibility of these devices make them perfectly suited for Backplane and other Serial Interconnect applications such as Serial Rapid I/O, PCI Express and XAUI. With four channels of serial transmitter/receiver pairs, these transceivers can deliver a duplex data rate of greater than 20 Gbps. These serial channels can be configured for independent operation, or as fully 10GbE/10GFC compliant XAUI (10 Gigabit Attachment Unit Interface) serial buses. The parallel bus is fully XGMII (10 Gigabit Media Independent Interface) compliant. When independent channel operation is required, the parallel bus can be configured for either 8- or 10-bit operation with the ability to enable or bypass the internal 8B/10B encoders/decoders. No additional external logic is required for the basic operation of this device. However, for flexibility and systems adaptability, an MDIO (Management Data Input/Output) interface is provided for internal register access. These registers are MDIO compliant and allow for monitoring and configuration of special modes for diagnostics, BIST (Built-In-Self Test), and various control of special channel features, such as pre-emphasis, cable equalization, reduced output swing, loopback, signal detection and XAUI port selection. The flexibility of this device is not only seen in the MDIO register programmable feature set, but also in a wide range of supported frequencies. With a serial data rate that can range from 0.95 Gbps to 3.25 Gbps, this device supports multiple communication applications such as Fibre Channel, InfiniBand, and Ethernet. The VSC7281 has the functionality to support these common rates simultaneous with a single external reference clock. Whether the application is a high-speed backplane, chassis-tochassis communication or an optical link, these devices can provide the flexibility and reliability required in today's high-end Data Communication systems. M O D E S O F O P E R AT I O N : The VSC7281 allow for flexibility in multiple systems environments. XAUI-A XGMII XAUI-B XAUI Retimer XAUI-B * XAUI Loop-Through - XAUI Retimer/Switch - XGMII Bypass - Supervisor * High Speed Signal Clean-up XAUI-A XGMII * Single Port XGMII-Dual XAUI - Supervisor and Redundant XAUI - Link Ready State Diagnostics A P P L I C AT I O N S : 10 Gigabit Ethernet Port Application * Driving out-of-box optics or backplane XAUI-A XENPAK Optical Module Backplane Backplane Interconnect Interconnect 10GE MAC(s), 10GE Switch, and/or Switch Fabric(s) XGMII VSC7281 SerDes Transceiver XAUI-B 2GFC and 1GFC Simultaneous Operation 2x2.125 Gbps 2x1.06 Gbps 2-lane FC 2-lane FC 2x2.125G 2x1.06G For more information on Vitesse Products visit the Vitesse web site at www.vitesse.com or contact Vitesse Sales at (800) VITESSE or sales@vitesse.com Vitesse, ASIC-Friendly, FibreTimer, TimeStream and Snoop Loop are trademarks of Vitesse Semiconductor Corporation. All other trademarks or registered trademarks mentioned herein are the property of their respective holders. Vitesse Semiconductor Corporation ("Vitesse") retains the right to make changes to its products or specifications to improve performance, reliability or manufacturability. All information in this document, including descriptions of features, functions, performance, technical specifications and availability, is subject to change without notice at any time. 741 Calle Plano Camarillo, CA 93012, USA Tel: +1 805.388.3700 Fax: +1 805.987.5896 www.vitesse.com |
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