BACKPLANE PRODUCTS
VSC7280
Dual XAUI – Dual XGMII Octal 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
Dual XGMII Parallel Bus
0.95 Gbps to 3.25 Gbps Octal 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-to-
Channel Alignment
Received Data Aligned to Local REFCLK or to Recovered Clock
TX and RX Rate Matching for XAUI, 1GbE, and InfiniBand™
S P E C I F I C AT I O N S :
Packaged in a 448-pin, 23mm x 23mm TEPBGA
Input Termination, Internal 100Ω 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
4x4
MUX
XAUI-B
CMU
MDIO
DIAG
Serial
Port A
Serial
Port B
BLOCK DIAGRAM:
Parallel
Port A
XGMII-A
Encode/
Decode
Encode/
Decode
JTAG Boundary Scan
HSTL1.5 and HSTL1.8 Parallel I/O
Parallel
Port B
XGMII-B
Enterprise
Access
Metro
Core
PB-VSC7280-001
VSC7280
Dual XAUI – Dual XGMII Octal 0.95 Gbps to 3.25 Gbps Transceiver
GENERAL DESCRIPTION:
The VSC7280 is a Dual XAUI – Dual XGMII
Transceivers 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 eight channels of serial transmitter/receiver pairs, these
transceivers can deliver a duplex data rate of greater than 40
Gbps. These serial channels can be configured for independent
operation, as two fully 10GbE/10GFC compliant XAUI (10 Gigabit
Attachment Unit Interface) serial buses, or a combination thereof.
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
these devices. 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 XGMII/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
VSC7280 have the functionality to support these common rates
simultaneous with a single external reference clock.
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.
M O D E S O F O P E R AT I O N :
The VSC7280 allow for flexibility in multiple systems
environments.
XAUI-A
XAUI
Retimer
XAUI-B
XGMII-B
XAUI-B
XGMII-A
A or
B
XGMII-B
XAUI-A
XGMII-A
• Dual Port XAUI/XGMII
- Port-to-Port Switch
-
- Any Combination, A-B ports
-
• Single Port XGMII-Dual XAUI
- Supervisor and Redundant XAUI
- Link Ready State Diagnostics
• XAUI Loop-Through
- XAUI Retimer/Switch
- XGMII Bypass
- Supervisor
• High Speed Signal Clean-up
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
VSC7280
SerDes
Transceiver
XAUI-B
10GbE and 10GFC Simultaneous Operation
XGMII-A
10GbE
Operation
10GFC
Operation
XAUI-A
XGMII-B
XAUI-B
2GFC, 1GFC, and 1GbE Simultaneous Operation
2x2.125Gbps
2x1.06Gbps
4x1.25Gbps
2-lane FC
2-lane FC
4-lane GbE
2x2.125G
2x1.06G
4x1.25G
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.
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