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VSC7323VH/E, VSC7323XVH/, VSC7324

Table of contents:
Info of VSC7323VH/E
Info of VSC7323XVH/
Info of VSC7324

VSC7323VH/E, VSC7323XVH/, VSC7324 Selling Leads, Datasheet

MFG:800 D/C:VITESSE

VSC7323VH/E, VSC7323XVH/, VSC7324 Picture

VSC7323VH/E, VSC7323XVH/, VSC7324 Datasheet download

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Part Number: VSC7323VH/E

MFG: 800

Package Cooled:

D/C: VITESSE

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VSC7324 General Description

The Barrington family is based on Vitesse's third generation MAC architecture and includes the flagship 24-port VSC7324, the 16-port VSC7325, and the 12-port VSC7326. Each device has advanced traffic over-subscription mechanisms to ensure quality of service and high bandwidth availability during periods of peak network utilization. Combining this capability with extensive per port buffering, high-density platforms such as Ethernet switches and routers can aggregate up to 24 Gigabit Ethernet ports into a single 10 Gbps packet processor. OEMs realize a substantial cost savings by reducing system cost per user without impacting network performance.

Barrington (VSC7324) is an advanced 24-port Triple Speed Ethernet MAC solution with Intelligent Over-subscription enabling low cost, high-density, chassis-based linecards ranging from 24 to 96 ports. Barrington, which is also available
in 12 and 16 port versions, is a versatile building block for a range of high-density triple-speed Ethernet applications in the Enterprise, Metro, and Core. Barrington integrates 24 triplespeed MACs, advanced over-subscription mechanisms, an extensive on-chip memory system, an OIF compliant SPI-4.2 interface with support for dynamic deskew, both a 16-bit parallel and a 4-wire serial CPU interface, and dual MII Management interfaces.

As the transition to triple-speed copper interfaces in the Enterprise increases, the need for intelligent over-subscription
and control traffic protection functionality is critical to efficient network operation and management. The Barrington family includes advanced over-subscription mechanisms, used to control the bandwidth on each Ethernet port in order to prioritize traffic across all 24-ports. As part of the advanced over-prioritize traffic across all 24-ports. As part of the advanced oversubscription mechanisms, the Barrington family also prioritizes and protects Layer 2 and Layer 3 control frames to maintain overall network management and efficiency during periods of peak network utilization.

Interfacing to the triple-speed MAC ports is accomplished using the reduced pin count Reduced Gigabit Media Independent Interface (RGMII). On the system side Barrington utilizes an industry standard SPI-4.2 system interface with 24 channels.

The internal ingress (Rx) and egress (Tx) FIFOs, which are provisionable on a per-port basis in increments of 2 kB, are capable of handling short-haul flow control and accommodating bursty traffic between the Ethernet MACs and the SPI-4.2 system interface. The FIFO structures are independently configurable for either cut-through or store-and-forward modes.

The Barrington Family is supported in Vitesse's MAC Application Software (MAS) suite. The MAS is a library of generic ANSI C functions for various Gigabit Ethernet (GbE) and Ten Gigabit Ethernet (10GbE) Media Access Controllers in the Vitesse MAC family. The MAC Application Software provides a common software solution for the Vitesse MAC family beginning with Meigs-II™ and including Meigs-IIe™ and Campbell-I™. The MAC Application Software simplifies the use of these MAC devices by providing a well defined, operating system and processor independent application-programming interface (API).

The Barrington Family is supported by a comprehensive collateral package including application notes, IBIS models, DSDL file, reference schematics, symbols, and University of New Hampshire (UNH) Interoperability Lab (IOL) reports for Fast Ethernet and Gigabit Ethernet test suites.

VSC7324 Features

·24 Triple Speed Ethernet Ports
·Intelligent 2:1 Oversubscription
·High Performance SPI-4.2 System Interface
·Supports RGMII for connection to copper transceivers.
·Intelligent Identification and Prioritization of Layer 2 & Layer 3 Control Traffic
·Per Port Policing & Shaping
·User Configurable Filtering of Unicast, Multicast & Broadcast Traffic
·Supports Both Serial & Parallel CPU Access
·Full RMON 1 Statistics Group and Applicable IEEE 802.3 and SNMP Statistics

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