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Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003, Zarlink Semiconductor Inc. All Rights Reserved.
Features
12 10/100Mbps Autosensing, Fast Ethernet ports
with Reduced MII Interface
32-bit wide bi-directional pipe at 100Mhz provides
6.4Gbps pipe to connect two MDS212 chips
Supports up to 3.572 Mpps system throughput
using non-blocking architecture
High performance Layer 2 packet forwarding and
filtering at full wire speed.
Very low latency through single store and forward
at ingress port and cut-through switching at
destination ports
Port Trunking and Load Sharing for high
bandwidth links between switches
On-chip address lookup engine and memory for
up to 2K MAC addresses
up to 64K using management CPU memory
Supports up to 4k MAC addresses with 24 ports
(2-chip solution)
Up to 16K using external buffer memory
Parallel Flash interface for fast self initialization
Supports packet filtering and port security
System wide filtering
Static MAC destination and source address
filtering
VLAN for multicast/broadcast filtering
Protocol filtering
Local port filtering
Aging control for secure MAC addresses
Provides 256-port and ID Tagged Virtual LANs
(VLANs) 802.1Q
ID Tagging Insertion/Extraction
Supports IP Multicasting through IGMP Snooping
XpressFlow Quality of Service (QoS), IEEE
802.1p, supports 4 Level transmission priorities,
weighted fair queuing based packet scheduling,
user mapping of priority levels and weights
Full duplex Ethernet IEEE 803.2x flow control
minimizes traffic congestion
Supports back-pressure flow control for half
duplex mode
Flooding and Broadcasting control
Link status and TX/RX activity through serial LED
interface
Standard software modules available:
Browser, GUI, and text menu
IEEE 802.1d Spanning Tree Algorithm
SNMP management
Telnet for remote control console
Automatic Booting via TFTP Protocols.
Remote Monitoring (RMON) and storage for a
management agent
IGMP for IP multicast
GVRP, GMRP
Packaged in 456-Pin Ball Grid Array
October 2003
Ordering Information
MDS212CG
456 Pin HSBGA
0
°
C to 70
°
C
MDS212
12-Port 10/100Mbps
Ethernet Switch
Data Sheet
Figure 1 - 24 10/100Mbps Port System Configuration
SDRAM
CPU
Flash
SRAM
SRAM
MDS212
CPU Bus
64 bit
64 bit
12
XPipe 32 bit
MDS212
12
FaFFast Ethernet
4 4 4 x 10/100
4 4 x 10/100
FFa4 x 10/100
Fast Ethernet