OPTi
®
82C842
IEEE 1394 Physical Layer Controller
Preliminary Data Book
OPTi Inc. is a member of the 1394 Trade Association
i.LINK compatible
Revision: 1.0
912-2000-024
February 05, 1999
Copyright
Copyright © 1998, OPTi Inc. All rights reserved. No part of this publication may be reproduced, transmitted, tran-
scribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any
means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the prior written permis-
sion of OPTi Inc., 1440 McCarthy Blvd., Milpitas, CA 95035.
Disclaimer
OPTi Inc. makes no representations or warranties with respect to the design and documentation herein described
and especially disclaims any implied warranties of merchantability or fitness for any particular purpose. Further,
OPTi Inc. reserves the right to revise the design and associated documentation and to make changes from time to
time in the content without obligation of OPTi Inc. to notify any person of such revisions or changes.
Trademarks
OPTi and OPTi Inc. are registered trademarks of OPTi Inc. All other trademarks and copyrights are the property of
their respective holders.
OPTi Inc.
1440 McCarthy Blvd.
Milpitas, CA 95035
Tel: (408) 486-8000
Fax: (408) 486-8001
WWW: http://www.opti.com/
ii
TriFire
Table of Contents
Features .................................................................................................................................... 1
Signal Definitions ..................................................................................................................... 3
Terminology/Nomenclature Conventions ..................................................................................................3
TriFire Strapping Options ............................................................................................................................7
Signal Descriptions ................................................................................................................. 9
Functional Description .......................................................................................................... 11
Self-Loopback Test, Mode 4 ......................................................................................................................11
TriFire Register Space ...............................................................................................................................13
Register Pages ...........................................................................................................................................13
Electrical Ratings ................................................................................................................... 23
Absolute Maximum Ratings ......................................................................................................................23
Operating Conditions ................................................................................................................................23
Mechanical Package Outlines ............................................................................................... 27
OPTi
912-2000-024
Revision: 1.0
®
Page iii
TriFire
OPTi
Page iv
®
912-2000-024
Revision: 1.0
TriFire
List of Tables
Signal Definitions Legend ..........................................................................................................................3
TriFire Pin Cross-Reference List ................................................................................................................5
Mode Select ................................................................................................................................................7
Mode 2 User Options ..................................................................................................................................7
Mode 3 User Options ..................................................................................................................................7
OPTi
912-2000-024
Revision: 1.0
®
Page v