Evaluation Kit for CMX868

EV8680

© 2000 Consumer Microcircuits Limited

2

UM8680/2

CONTENTS

Section

Page

1.0

Features................................................................................................1

1.1

Brief Description ..................................................................................1

1.2

Preliminary Information.......................................................................4

1.2.1

Laboratory Equipment ............................................................4

1.2.2

Handling Precautions..............................................................4

1.2.3

Approvals.................................................................................4

1.3

Quick Start ...........................................................................................5

1.3.1

Setting-Up ................................................................................5

1.3.2

Adjustments ............................................................................5

1.3.3

Operation .................................................................................5

1.4

Signal Lists ..........................................................................................7

1.5

Circuit Schematics and Board Layout ..............................................10

1.6

Detailed Description ..........................................................................13

1.6.1

Hardware Description............................................................13

1.6.2

Adjustments and Controls....................................................14

1.6.3

Firmware Description ............................................................14

1.6.4

Software Description.............................................................25

1.6.5

Additional Information ..........................................................27

1.6.6

Example EV8680 Modem Tests.............................................28

1.6.7

Example EV8680 Device Evaluation Tests ...........................31

1.6.8

BER Measurement.................................................................33

1.6.9

Troubleshooting....................................................................35

1.7

Performance Specification ................................................................36

1.7.1

Electrical Performance ..........................................................36

Note: This product is in development: Changes and additions will be made to this

specification. Items marked TBD or left blank will be included in later issues.

Information in this data sheet should not be relied upon for final product design.