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Электронный компонент: LSI53C825AE

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S14058
LSI53C825A/825AE
PCI to SCSI
I/O Processor
TECHNICAL
MANUAL
J a n u a r y 2 0 0 1
Version 3.1
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 DB14-000159-00, Fourth Edition (January 2001)
This document describes the LSI Logic LSI53C825A/AE PCI to 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of this product until rescinded by an update.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 19982001 by LSI Logic Corporation. All rights reserved.
TRADEMARK ACKNOWLEDGMENT
The LSI Logic logo design, TolerANT, SDMS, and SCRIPTS are registered
trademarks or trademarks of LSI Logic Corporation. All other brand and product
names may be trademarks of their respective companies.
Preface
iii
Preface
This book is the primary reference and technical manual for the LSI Logic
LSI53C825A/825AE PCI to SCSI I/O Processor. It contains a complete
functional description for the LSI53C825A/825AE and includes complete
physical and electrical specifications for the LSI53C825A/825AE.
Audience
This technical manual is intended for system designers and programmers
who are using this device to design a SCSI port for PCI-based personal
computers, workstations, or embedded applications.
Organization
This document has the following chapters and appendixes:
Chapter 1, Introduction
, includes general information about the
LSI53C825A and other members of the LSI53C8XX family of PCI to
SCSI I/O Processors.
Chapter 2, Functional Description
, describes the main functional
areas of the chip in more detail, including the interfaces to the SCSI
bus.
Chapter 3, Signal Descriptions
, describes the chip's connection to
the PCI bus, including the PCI commands and configuration registers
supported.
Chapter 4, Registers
, contains the pin diagrams and definitions of
each signal.
Chapter 5, SCSI SCRIPTS Instruction Set
, describes each bit in the
operating registers, organized by address.
iv
Preface
Chapter 6, Specifications
, defines all of the SCSI SCRIPTS
instructions that are supported by the LSI53C825A.
Appendix A, Register Summary
, contains a register summary.
Appendix B, External Memory Interface Diagram Examples
,
contains several example interface drawings to connect the
LSI53C825A to an external ROM.
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); 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.lsilogic.com
Preface
v
SCSI SCRIPTSTM Processors Programming Guide, Version 2.2,
Order Number S15044.A
PCI Special Interest Group
2575 N. E. Katherine
Hillsboro, OR 97214
(800) 433-5177; (503) 693-6232 (International); FAX (503) 693-8344
Conventions Used in This Manual
The word
assert means to drive a signal true or active. The word
deassert means to drive a signal false or inactive.
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
Revision
Date
Remarks
1.0
6/95
Revision 1.0
2.0
3/96
Revision 2.0
3.0
12/97
Revision 3.0
3.1
1/01
Product names changed from SYM to LSI.