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VITESSE

SEMICONDUCTOR CORPORATION

Data Sheet

VSC880

Features

鈥?16x16 Synchronous Serial Crosspoint Switch

鈥?Serial Data Rates: 2.0Gb/s

鈥?32Gb/s Aggregate Data Bandwidth

鈥?Parallel Switches Can Increase Data Bandwidth in

Multiples of 32Gb/s

鈥?Designed in Conjunction with the VSC870

Backplane Transceiver

鈥?Automatic Word and Cell Synchronization to the

Transceiver

鈥?Two Modes of Operation: Distributed Control

Self-routing

Packet Mode

and Central Control

Cell Mode

鈥?Multicast Supported in All Modes

High Performance 16x16

Serial Crosspoint Switch

鈥?Supports Variable Length Packets in Packet

Mode

鈥?Built-in Flow Control Channel in Packet Mode

鈥?Supports Cell Synchronization in Cell Mode

鈥?Parallel CPU Interface and Parallel Switch

Configuration Interface

鈥?Loopback, Built-in Self Test and Scan Functions

鈥?5V Tolerant TTL Inputs

鈥?Dual 3.3V/2.5V or Dual 3.3V/2.0V Power

Supplies

鈥?Serial Port Quadrants Can be Powered Down

鈥?Available in 304 BGA Package

VSC880 Block Diagram

Serial Port (16x)

TXS+/TXS-

Switch Matrix

Parallel

to

Serial

VSCTE

VSCIPNC

VSCOPNC

MEN

FACLPBK

CMODE

TESTEN

SCANIN

SCANOUT

Port

Logic

RXS+/RXS-

DRU

Serial

to

Parallel

WCLK

REFCLK

TCLKEN

LOCKDET

CCLK

RESET

BSTLPBK

BSTEN

BSTRST

BSTPASS

Arbitration Logic

and Switch Control

Registers

CEN

DATA[15:0]

FI[3:0]

WEN

CMU

Clock

Gen

ADDR[5:0]

Status and

Control Registers

CDATA[7:0]

CWEN

CSEL

INT

RESYNEN

BIST Logic

G52191-0, Rev 4.2

01/05/01

漏

VITESSE

SEMICONDUCTOR CORPORATION

鈥?741 Calle Plano 鈥?Camarillo, CA 93012

Tel: (800) VITESSE 鈥?FAX: (805) 987-5896 鈥?Email: prodinfo@vitesse.com

Internet: www.vitesse.com

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