MVTX2803

更新时间： 2024-10-27 21:55:11

品牌	Logo	应用领域
加拿大卓联 - ZARLINK		以太网
页数	文件大小	规格书
127页	1694K
描述
Unmanaged 8-Port 1000 Mbps Ethernet Switch

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数据手册

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MVTX2803 数据手册

MVTX2803

Unmanaged 8-Port 1000 Mbps

Ethernet Switch

Data Sheet

October 2003

Features

•

Eight Gigabit Ports with GMII and PCS interface

Ordering Information

Gigabit Port can also support 100/10 Mbps MII

interface

MVTX2803AG

596 Pin HSBGA

•

High Performance Layer 2 Packet Forwarding

(23.808M packets per second) and Filtering at

Full-Wire Speed

-40°C to +85°C

•

Maximum throughput is 8 Gbps non-blocking

Centralized shared-memory architecture

Consists of two Memory Domains at 133 MHz

Traffic Classification

•

Classify traffic into 8 transmission priorities per

port

Frame Buffer Domain: Two banks of ZBT-SRAM

with 2M/4MB total

•

Supports Delay bounded, Strict Priority and WFQ

Provides 2 level dropping precedence with WRED

mechanism

Switch Database Domain with 256K/512K

SRAM

User controlled thresholds for WRED

•

Up to 64K MAC addresses to provide large node

aggregation in wiring closet switches

•

Classification based on layer 2, 3 markings

VLAN Priority field in VLAN tagged frame

DS/TOS field in IP packet

The precedence of above two classifications can

be programmable

SRAM 256/512K

SW Database

MAC Table

Frame Data Buffer B

ZBT-SRAM (1M/2Mb)

Frame Data Buffer A

ZBT-SRAM (1M/2Mb)

64-Bit

FDB Interface

64-Bit

32-Bit

SDB Interface

MVTX2803

LED

Frame

Engine

Database

Schedule

Management

Module

GMII

/PCS

Port 0

GMII

/PCS

Port 2

GMII

/PCS

Port 3

GMII

/PCS

Port 6

GMII

/PCS

Port 7

Serial /

/PCS

I C

Port 1

Port 4

Port 5

Figure 1 - MVTX2803AG Block Diagram

Zarlink Semiconductor Inc.

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

12 3 4 5 6 7...127

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