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MVTX2803

Zarlink Semiconductor
Part Number MVTX2803
Manufacturer Zarlink Semiconductor
Description Unmanaged 8-Port 1000 Mbps Ethernet Switch
Published Oct 26, 2005
Detailed Description MVTX2803 Unmanaged 8-Port 1000 Mbps Ethernet Switch Data Sheet Features • Eight Gigabit Ports with GMII and PCS interfac...
Datasheet PDF File MVTX2803 PDF File

MVTX2803
MVTX2803

Overview
MVTX2803 Unmanaged 8-Port 1000 Mbps Ethernet Switch Data Sheet Features • Eight Gigabit Ports with GMII and PCS interface • Gigabit Port can also support 100/10 Mbps MII interface Ordering Information MVTX2803AG 596 Pin HSBGA October 2003 High Performance Layer 2 Packet Forwarding (23.
808M packets per second) and Filtering at Full-Wire Speed Maximum throughput is 8 Gbps non-blocking Centralized shared-memory architecture Consists of two Memory Domains at 133 MHz Frame Buffer Domain: Two banks of ZBT-SRAM with 2M/4MB total Switch Database Domain with 256K/512K SRAM • -40° C to +85° C • • • Traffic Classification • • • Classify traffic into 8 transmission priorities per port Supports Delay bounded, Strict Priority and WFQ Provides 2 level dropping precedence with WRED mechanism • User controlled thresholds for WRED VLAN Priority field in VLAN tagged frame DS/TOS field in IP packet Classification based on layer 2, 3 markings • Up to 64K MAC addresses to provide large node aggregation in wiring closet switches The precedence of above two classifications can be programmable SRAM 256/512K SW Database MAC Table 32-Bit SDB Interface LED Frame Data Buffer A ZBT-SRAM (1M/2Mb) MVTX2803 64-Bit FDB Interface Frame Data Buffer B ZBT-SRAM (1M/2Mb) 64-Bit Frame Engine Search Engine Schedule NM Database Management Module GMII /PCS Port 0 GMII /PCS Port 1 GMII /PCS Port 2 GMII /PCS Port 3 GMII /PCS Port 4 GMII /PCS Port 5 GMII /PCS Port 6 GMII /PCS Port 7 Serial / I2C Figure 1 - MVTX2803AG Block Diagram 1 Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003, Zarlink Semiconductor Inc.
All Rights Reserved.
MVTX2803 QoS Support • • • • • • • • • • • • • Supports IEEE 802.
1p/Q Quality of Service with 8 Priority Buffer Management: reserve buffers on per class and per port basis Data Sheet Port-based Priority: VLAN Priority with Tagged frame can be overwritten by the priority of PVI...


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