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ETHERNET PRODUCTS
VSC7384
StanstedTM - 12-port Gigabit Ethernet Switch-on-a-Chip
12-PORT TRI-SPEED DESKTOP SWITCH:
FLASH
Parallel Interface
VSC7384 Stansted
RGMII
Quad PHY
Quad PHY
Quad PHY
F E AT U R E S : 12 Gigabit Ethernet Ports with Non-blocking Wire-speed Performance Tri-speed (10/100/1000 Mbit/s) Operation via RGMII Interfaces 208 KB On-chip Frame Buffer 8/16-bit CPU Interface, and 4-wire Serial CPU Interface On-Chip 8051 CPU Jumbo Frame Support Programmable Classifier for QoS (Layer 2-4), Including IEEE Std 802.1pTM 8K MAC Addresses and 4K VLANs (IEEE Std 802.1QTM) Full Duplex Flow Control (IEEE Std 802.3xTM) and Half Duplex Back Pressure Multicast and Broadcast Storm Control Flexible Link Aggregation Compliant to IEEE Std 802.3adTM Multiple protocol Support IEEE Std 802.1DTM, IEEE Std 802.1WTM IEEE Std 802.1sTM, IEEE Std 802.1XTM
BENEFITS: Ensures Maximum Data Throughput on Even Highly Loaded Networks Simplifies PCB Layout Significantly by Utilizing Reduced Mode Interface Standards for all Speeds Eliminates the Need for External Buffer Memory While Maintaining High Peak Load Performance Enables Advanced Switch Management Using Run-time Protocols, in Addition to Low Cost Unmanaged and Web Managed Operation Enables Ultra Low-cost Web Managed Switch Systems Connects Effortlessly to Networks, Hosts, and Controllers that Utilize up to 12K Sized Jumbo Frames Optimizes Network Performance to Support any Digital Stream, from Internet Browsing to VoIP and Video Stores a Large Amount of Stations at Wire Speed in the On-chip MAC Table, Ensuring Optimal Network Performance Ensures Loss-less Data Transmission While Supporting Existing Legacy Ethernet Equipment Eliminates Unwanted Flooding of Ports and Thereby Increases Overall Network Performance Provides High Bandwidth Uplinking Abilities Supports Complex Network Topologies with Fast Failure Recovery, and Access Control
A P P L I C AT I O N S : 12-port Web Managed Tri-speed Desktop Switch 12-port Smart Managed Tri-speed Desktop Switch 12-port Unmanaged Tri-speed Desktop Switch Control Plane Controller
Enterprise
Access
Metro
Core
PB-VSC7384-001
VSC7384
StanstedTM - 12-port Gigabit Ethernet Switch-on-a-Chip
GENERAL DESCRIPTION:
StanstedTM is a highly integrated, single-chip Ethernet switch with 12 non-blocking ports. As part of Vitesse's LondonTM Family Of Switches, Stansted delivers high performance with easy migration paths, and comprehensive System Solutions that enable ultrashort time-to-market and market leading system cost.
Designing both unmanaged and managed solutions is straightforward. The chips offer both 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. Gaining control with networks operated by the Vitesse switches is simple; advanced Layer 2-4 classification, plus shaping and policing functionality, along with port authentication support, provide flexible QoS operation. This is backed up by link aggregation and VLAN support, enabling advanced techniques such as "802.1Q-in-802.1Q" to be deployed. Additionally, OAM is supported for designing switch products for Ethernet in the MAN. Designing with Vitesse London Family Of Switches means designing with the whole Vitesse Solution: The outstanding Vitesse web managed switch software system that runs on a standard 8051 controller, is provided. This is in addition to the unmanaged and smart managed software systems for 8051, which are also included. For homegrown software development our 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 for our switches. The Vitesse Solution is supplied with a comprehensive collateral package, which includes software source code, full documentation, and an in-depth qualification report for easy pre-evaluation.
A Vitesse Switch Family Member Stansted is a part of the Vitesse LondonTM Family Of Switches. With its 12 tri-speed ports, it is specifically targeted at smallmedium business applications. In addition, Stansted enables Web Management at unprecedented low cost by sporting a fully integrated on-chip 8051 micro controller. Additionally, the onchip 8051 is perfectly suited for unmanaged systems as well. Being a member of the switch family provides a number of unique advantages when designing with the chip, including nearly 100% software compatibility between members. Thus, software written for Stansted can easily be used with other switch configurations in the family, and vice-versa. Additionally, building a product family is easy when designing with Vitesse switches. Upgrading designs to other port counts, or migrating to other configurations or future technology is achievable with minimum effort and time. The Vitesse London Family Of Switches Stansted, as part of the Vitesse London Family Of Switches, shares the unique traits of the family. The highly integrated switches require no external memory at all, and the use of Reduced Mode interfaces (RGMII) simplifies PCB layout to reduce time and cost. Further trimming down system cost is the persistently low power dissipation of the family. The switches provide for high performance designs with their non-blocking, wire-speed performance, which includes wirespeed MAC address learning.
BLOCK DIAGRAM:
Data Bus
Tx FIFO
Rx FIFO
Rx FIFO
Tx FIFO
Analyzer/Arbiter
Policer Port Block
Shaper 0 to 11 Port Block
Policer Classifier
g Shaper
8051 Controller MIIM
S P E C I F I C AT I O N S : 25 MHz LVTTL Reference Clock 1.8 V Core Power Supply
Classifier
10/100/1000 MAC
10/100/1000 MAC
CPU Interfaces MII Management Interface Control/Status Registers
SI
RGMII
PI Heathrow-II_Block_Diagram
2.5 and 3.3 V Interface Power Supply 448-pin TEPBGA-2 Package
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
741 Calle Plano Camarillo, CA 93012, USA Tel: +1 805.388.3700 Fax: +1 805.987.5896 www.vitesse.com
(c)2003 Vitesse Semiconductor Corporation

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