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VSC7281 Просмотр технического описания (PDF) - Vitesse Semiconductor

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VSC7281 Dual XAUI ? Single XGMII Quad 0.95 Gbps to 3.25 Gbps Transceiver Vitesse
Vitesse Semiconductor Vitesse
VSC7281 Datasheet PDF : 2 Pages
1 2
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.
MODES OF OPERATION:
The VSC7281 allow for flexibility in multiple systems
environments.
XGMII
XAUI-A
XAUI-B
• Single Port XGMII-Dual XAUI
- Supervisor and Redundant XAUI
- Link Ready State Diagnostics
XGMII
XAUI-A
XAUI
Retimer
XAUI-B
• XAUI Loop-Through
- XAUI Retimer/Switch
- XGMII Bypass
- Supervisor
• High Speed Signal Clean-up
APPLICATIONS:
10 Gigabit Ethernet Port Application
• Driving out-of-box optics or backplane
10GE MAC(s),
10GE Switch,
and/or
Switch Fabric(s)
XGMII
VSC7281
SerDes
Transceiver
XAUI-A
XAUI-B
XENPAK
Optical Module
BaBcakcpklpalnaene
InItnetrecrocnonnencetct
2GFC and 1GFC Simultaneous Operation
2-lane FC
2-lane FC
2x2.125 Gbps
2x2.125G
2x1.06 Gbps
2x1.06G
Whether the application is a high-speed backplane, chassis-to-
chassis communication or an optical link, these devices can
provide the flexibility and reliability required in today’s high-end
Data Communication systems.
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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