5220-DS02-R datasheet(3/90 Pages) BOARDCOM

3 / 90 page

Broa d c om Co rp o r a t i o n

Document 5220-DS04-405-R

Page iii

Preliminary Data Sheet

■ BCM5220

04/20/04

TABLE OF CONTENTS

Section 1: Functional Description...................................................................................... 1

Overview

....................................................................................................................................................... 1

Encoder/Decoder

......................................................................................................................................... 1

Link Monitor

.................................................................................................................................................. 2

Carrier Sense

................................................................................................................................................ 2

Collision Detection

....................................................................................................................................... 2

Digital Adaptive Equalizer

........................................................................................................................... 3

ADC

............................................................................................................................................................... 3

Digital Clock Recovery/Generator

.............................................................................................................. 3

Multimode Transmit DAC

............................................................................................................................ 4

Stream Cipher

............................................................................................................................................... 4

Far-End Fault

................................................................................................................................................ 5

MII Management

........................................................................................................................................... 5

Section 2: Hardware Signal Definition Table..................................................................... 7

Section 3: Pinout Diagram ................................................................................................11

Section 4: Operational Description ..................................................................................13

Reset

........................................................................................................................................................... 13

Isolate Mode

............................................................................................................................................... 13

Loopback Mode

.......................................................................................................................................... 13

Full-Duplex Mode

....................................................................................................................................... 14

100BASE-FX Mode

..................................................................................................................................... 14

10BASE-T Mode

......................................................................................................................................... 14

10BASE-T Serial Mode

............................................................................................................................... 14

Special LED Modes

.................................................................................................................................... 15

Traffic Meter Mode......................................................................................................................... 15

Force LEDs On .............................................................................................................................. 15

Disable LEDs ................................................................................................................................. 15

Separate 100BASE-TX and 10-BASE-T Link ................................................................................ 15

Energy Detection

........................................................................................................................................ 16

Auto Power-Down Mode

............................................................................................................................ 17

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