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MVTX2802

Zarlink Semiconductor
Part Number MVTX2802
Manufacturer Zarlink Semiconductor
Description Managed 4-Port 1000 Mbps Ethernet Switch
Published Oct 26, 2005
Detailed Description MVTX2802 Managed 4-Port 1000 Mbps Ethernet Switch Data Sheet Features • 4 Gigabit Ports with GMII and PCS interface - Gi...
Datasheet PDF File MVTX2802 PDF File

MVTX2802
MVTX2802

Overview
MVTX2802 Managed 4-Port 1000 Mbps Ethernet Switch Data Sheet Features • 4 Gigabit Ports with GMII and PCS interface - Gigabit Port can also support 100/10 Mbps MII interface • Provide Hot plug support for GMII/PCS module -40 °C to +85 °C High Performance Layer 2 Packet Forwarding (11.
904M packets per second) and Filtering at Full-Wire Speed Maximum throughput is 4 Gbps non-blocking Centralized shared-memory architecture Consists of two Memory Domains at 133 MHz • • • Frame Buffer Domain: One bank of ZBT-SRAM with 1M/2MB total Switch Database Domain with 256K/512K SRAM Ordering Information MVTX2802AG 596 Pin HSBGA October 2003 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 Provides Port based and ID Tagged VLAN (IEEE802.
1Q) up to 4K VLAN Support IP Multicast with IGMP snooping up to 64K groups.
The precedence of above two classifications can be programmable Frame Data Buffer A ZBT-SRAM (1M/2MB) SRAM 256/512K SW Database MAC Table 32bit MVTX2802 64bit FDB Interface SDB Interface LED Frame Engine Search Engine NM Database Scheduler Management Module GMII /PCS Port 0 GMII /PCS Port 1 GMII /PCS Port 2 GMII /PCS Port 3 16/8bitBus/ Serial CPU Figure 1 - MVTX2802AG Functional 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.
MVTX2802 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 P...


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