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ETHERNETPRODUCTS
VSC7398
EEPROM
ITESSE
R
SparX-G8eTM-Enhanced 8-Port Integrated Gigabit Ethernet Switch with Transceivers
8-PORT WEB MANAGED/UNMANAGED SMB SWITCH:
SerialEEPROMInterface
VSC7398
VSC7398 SparX-G8eTM
MagJackswith Integrated Magnetics
F E AT U R E S : 8GigabitEthernetportswithnonblockingwire-speedperformance 8tri-speed(10/100/1000Mbps)coppertransceivers(IEEE802.3ab compliant),2ofwhich(multiplexedinternally)canbeusedastri-speed (RGMII/GMII)interface 176kilobyteson-chipframebuffer SNMPandWeb-basedmanagementwitheitherV-CoreCPU(on-chip 8051CPUwithroyalty-free,Web-managedsoftwarestack)oroff-chip 8-bitCPU DSCPremarkingforbothIPv4andIPv6frames Jumboframesupportatallspeeds(10/100/1000Mbps) Programmablemultilayerclassifierwith4QoSclasses 8kMACaddressesand4kVLANs(IEEE802.1Q),aswellas8kIP multicastgroupsupport FlexiblelinkaggregationsupportbasedonLayer-2throughLayer-4 information(IEEE802.3ad) Full-duplexflowcontrol(IEEE802.3X)andhalf-duplexbackpressure, symmetricandasymmetric Multicastandbroadcaststormcontrol,aswellasfloodingcontrol Multipleprotocolsupport:IEEE802.1D,IEEE802.1w,IEEE802.1s, andIEEE802.1X Wire-speedautomaticlearningandaging VitesseVeriPHYTMcablediagnosticsandSimpliPHYTMmagnetics technology A P P L I C AT I O N S : 8-portunmanagedGigabitEthernetSMB/SOHOswitch 8-portWeb-managedGigabitEthernetSMB/SOHOswitch
BENEFITS: Ensuresmaximumdatathroughputinhighlyloadednetworks ReducestheneedforanyPHYcomponentstherebysignificantly reducingoverallsystemscost Eliminatestheneedforexternalbuffermemorywhilemaintaininghigh peakloadperformance Enablesadvancedswitchmanagement,usingrun-timeprotocols,and lowcostunmanaged/Web-managedoperation EnablesLANedgeproductstogeneratestandardprioritythatcanbe usedinthecorenetwork Connectseffortlesslytonetworks,hosts,andcontrollersthatuseupto 9.6-kilobyteframes Optimizesnetworkperformancetosupportanydigitalstream,from internetbrowsingtoVoIPandvideo Storesalargeamountofstationsatwire-speedintheon-chipMAC Table,ensuringoptimalnetworkperformanceandscalability Provideshighbandwidthuplinkingabilities Ensureslosslessdatatransmissionwhilesupportingexistinglegacy Ethernetequipment Eliminatesunwantedfloodingofports,andtherebyincreasesoverall networkperformance Supportscomplexnetworktopologieswithfastfailurerecoveryand accesscontrol ReducesCPUoverheadandenablestheCPUtoallocateadditional cyclesforprotocolprocessing Enablesreal-timecablediagnosticsandlowcostmagnetics
VPPD-01353 Revision1.0
VSC7398
SparX-G8eTM-Enhanced 8-Port Integrated Gigabit Ethernet Switch with Transceivers
GENERAL DESCRIPTION:
VSC7398 SparX-G8e is the highly integrated, singlechip Gigabit Ethernet switch with 8 Integrated GbE Copper PHY ports. As part of the Vitesse SparXTM Family of Switches, SparX-G8e delivers high performance with easy migration paths, and comprehensive system solutions that enable ultrashort time-to-market and market-leading system cost.
VSC7398
Designing both unmanaged and Web-managed solutions is straightforward. The chips offer an internal V-Core CPU (on-chip 8051) and serial and parallel CPU interfaces, and support a host of management protocols such as GxRP, SNMP, and three flavors of Spanning Tree: Standard STP, Multiple STP, and Rapid STP. Controlling networks operated by the Vitesse switches is simple; advanced classification with IPv4 and IPv6 support, along with port DSCP remarking and 802.1X authentication support, provides flexible QoS operation. This is backed up by Layer 2-4 link aggregation and VLAN support, enabling managed switches to be deployed. With its unique low power dissipation, the VSC7398 enables fanless operation, thereby providing higher system reliability and lower noise, both to the benefit of the user. Designing with Vitesse SparX Family Of Switches means designing with the complete Vitesse solution: Vitesse provides a comprehensive, Webmanaged switch software system for the V-Core CPU (internal 8051). This is in addition to the unmanaged and smart managed software systems for 8051, which are also included. For homegrown software development, the Vitesse full platform and OS independent switch API is supplied. Accompanying the software systems are the Vitesse Switch reference systems. These are production-ready hardware designs that also serve as evaluation platforms. The Vitesse solution is supplied with a comprehensive collateral package, including software source code, full documentation, and an in-depth qualification report for easy preevaluation.
A Vitesse Switch Family Member SparX-G8e is a part of the Vitesse SparXTM Family Of Unmanaged or Web-managed Switches, taking the family into a new generation of integration. With its eight integrated tri-speed Gigabit Ethernet copper transceivers (with the option of multiplexing two as tri-speed RGMII/GMII), and several integrated management interfaces, it is specifically targeted at SMB and SOHO unmanaged applications; with its V-Core CPU (on-chip 8051) and parallel CPU interface, it enables Web-managed and managed switch applications. Being a member of the switch family provides a number of unique advantages when designing with the chip: there is nearly 100% software compatibility between the switch family members; software written for SparX-G8e can easily be used with other switch configurations in the family, and vice-versa; and with minimal effort and time, designs can be upgraded to higher port counts, or migrated to other configurations or future technology. Building a product family is easy when designing with Vitesse switches! The Vitesse SparXTM Family Of Switches SparX-G8e shares the unique traits of the Vitesse SparX Family Of Switches. The highly integrated switch supports 136 kilobytes of on-chip frame buffer, and the integration of the copper PHY as well as an internal oscillator circuit simplifies PCB layout to reduce time and cost. Further trimming down system cost is the industry's lowest power, fully Shared Rx and integrated, Switch-plus-Copper PHY technology. Tx FIFO
Port Block
Frame Bus
Port Block
Port Block
Shared Rx and Tx FIFO Scheduler
Port Block
Shared Rx and Tx FIFO Scheduler
Shared Rx and Tx FIFO Scheduler
Analyzer/Arbiter
The switches provide for high performance designs with their nonblocking, wire-speed performance, which includes wire-speed MAC address learning. S P E C I F I C AT I O N S : 25 MHz LVTTL reference clock 1.2 V core power supply 3.3 V interface power supply
Scheduler
Rewriter
Rewriter
Rewriter
Rewriter
...
Categorizer Categorizer Categorizer Categorizer Tri-Speed MAC Tri-Speed MAC Tri-Speed MAC Tri-Speed Copper PHY Multiplexer Tri-Speed MAC Tri-Speed Copper PHY Multiplexer
8051 CPU (V-Core CPU) RS232 Interface Serial Interface Parallel Interface MII Management Interface Control and Status Registers
RS232
MIIM
GPIO
Tri-Speed Copper PHY
Tri-Speed Copper PHY
0
Six Copper Interfaces
5
6
Two Copper or (R)GMII Interfaces
7
SI
PI or V-Core CPU RAM/Flash
Trademarks TM Vitesse, ASIC-Friendly, FibreTimer, TimeStream, Snoop Loop, Super FEC, FOCUSConnect, Meigs-II, Meigs-IIe, Lansing, Campbell-I, Barrington, PaceMaker, HOVCAT48, HOVCAT48e, HOVCAT192, HOVCAT192e, Micro PHY, FOCUS32, FOCUS16, IQ2200, NexSAS, VersaCAT, GigaStream, HawX, SparX, StaX, VstaX, SimpliPHY,VeriPHY, ActiPHY, XFP PRO, SFP PRO, Smart-LINK, OctalMAC, EQ Technology are trademarks in the United States and/or other jurisdictions of Vitesse Semiconductor Corporation. All other trademarks or registered trademarks mentioned herein are the property of their respective holders. Copyright (c) 2005 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. While the information furnished herein is held to be accurate and reliable, no responsibility will be assumed by Vitesse for its use. Furthermore, the information contained herein does not convey to the purchaser of microelectronic devices any license under the patent right of any manufacturer.
741 Calle Plano Camarillo, CA 93012, USA Tel: +1 805.388.3700 Fax: +1 805.987.5896 www.vitesse.com sales@vitesse.com

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