PM3351-SW datasheet(3/268 Pages) PMC

3 / 268 page

PM3351 ELAN 1X100

DATA SHEET

PMC-970113

ISSUE 3

SINGLE PORT FAST ETHERNET SWITCH

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

CONTENTS

FEATURES............................................................................................................ 1

BLOCK DIAGRAM ................................................................................................. 3

DESCRIPTION ...................................................................................................... 4

Introduction .................................................................................................... 5

Switch Processor ........................................................................................... 5

Multi-channel DMA Processor........................................................................ 6

Ethernet/IEEE 802.3 MAC Interface .............................................................. 6

Expansion Port............................................................................................... 6

Local Memory Controller ................................................................................ 7

Clocking and Test .......................................................................................... 7

TYPICAL SYSTEM APPLICATION........................................................................ 8

Low-cost 10/100 Mbit/s Switching Hub .......................................................... 8

PRIMARY FEATURES AND BENEFITS ............................................................... 9

Wire-speed frame switching........................................................................... 9

Combined Input- and Output-buffered switch ................................................ 9

Modular design. ............................................................................................. 9

Advanced switching features ......................................................................... 9

Spanning tree bridging capabilities .............................................................. 10

Management and monitoring support .......................................................... 10

Autoconfiguration via Local PROM/EEPROM.............................................. 10

PIN DIAGRAM ..................................................................................................... 12

208-Pin Quad Flat Pack Pin Diagram .......................................................... 12

PIN DESCRIPTION ............................................................................................. 13

Functional Grouping..................................................................................... 15

PCI Expansion Bus Interface ....................................................................... 16

MII Interface Pins ......................................................................................... 17

Local Memory Interface ............................................................................... 18

Clock Inputs and Outputs............................................................................. 19

Miscellanous Inputs and Outputs................................................................. 20

PM3351-SW Datasheet(PDF) 3 Page - PMC-Sierra, Inc