ii
This document contains proprietary information of LSI Logic Corporation. The
information contained herein is not to be used by or disclosed to third parties
without the express written permission of an officer of LSI Logic Corporation.
LSI Logic products are not intended for use in life-support appliances, devices,
or systems. Use of any LSI Logic product in such applications without written
consent of the appropriate LSI Logic officer is prohibited.
Document DB14-000161-00, First Edition (March 2001)
This document describes the LSI Logic LSI53C770 Ultra SCSI I/O Processor and
will remain the official reference source for all revisions/releases of this product
until rescinded by an update.
To receive product literature, visit us at http://www.lsilogic.com.
LSI Logic Corporation reserves the right to make changes to any products herein
at any time without notice. LSI Logic does not assume any responsibility or
liability arising out of the application or use of any product described herein,
except as expressly agreed to in writing by LSI Logic; nor does the purchase or
use of a product from LSI Logic convey a license under any patent rights,
copyrights, trademark rights, or any other of the intellectual property rights of
LSI Logic or third parties.
Copyright 19952001 by LSI Logic Corporation. All rights reserved.
TRADEMARK ACKNOWLEDGMENT
The LSI Logic logo design, SCRIPTS, and TolerANT are trademarks or registered
trademarks of LSI Logic Corporation. All other brand and product names may be
trademarks of their respective companies.
Preface
iii
Preface
This technical manual provides reference information on the LSI53C770
Ultra SCSI I/O Processor. It contains a complete functional description
for the product and includes complete physical and electrical
specifications for it.
Audience
This manual assumes some prior knowledge of current and proposed
SCSI and PCI standards.
Organization
This document has the following chapters and appendix:
Chapter 1, General Description
Chapter 2, Functional Description
Chapter 3, Signal Descriptions
Chapter 4, Registers
Chapter 5, Instruction Set of the I/O Processor
Chapter 6, Electrical Characteristics
Appendix A, Register Summary
iv
Preface
Related Publications
For background information, please contact:
ANSI
11 West 42nd Street
New York, NY 10036
(212) 642-4900
Ask for document number X3.131-199X (SCSI-2)
Global Engineering Documents
15 Inverness Way East
Englewood, CO 80112
(800) 854-7179 or (303) 397-7956 (outside U.S.) FAX (303) 397-2740
Ask for document number X3.131-1994 (SCSI-2) or X3.253
(SCSI-3 Parallel Interface)
ENDL Publications
14426 Black Walnut Court
Saratoga, CA 95070
(408) 867-6642
Document names:
SCSI Bench Reference, SCSI Encyclopedia, SCSI
Tutor
Prentice Hall
113 Sylvan Avenue
Englewood Cliffs, NJ 07632
(800) 947-7700
Ask for document number ISBN 0-13-796855-8,
SCSI: Understanding
the Small Computer System Interface
LSI Logic World Wide Web Home Page
www.lsil.com
PCI Special Interest Group
2575 N. E. Katherine
Hillsboro, OR 97214
(800) 433-5177; (503) 693-6232 (International); FAX (503) 693-8344
Preface
v
Conventions Used in This Manual
The first time a word or phrase is defined in this manual, it is
italicized.
The word
assert means to drive a signal true or active. The word
deassert means to drive a signal false or inactive. Signals that are active
LOW end in a "/."
Hexadecimal numbers are indicated by the prefix "0x" --for example,
0x32CF. Binary numbers are indicated by the prefix "0b" --for example,
0b0011.0010.1100.1111.
Revision Record
Version
Date
Remarks
1.0
9/94
Preliminary.
2.0
7/96
Changed Fast-20 to Ultra SCSI throughout document.
2.1
3/01
All product names changed from SYM to LSI.