LSI LSI53C1000 User manual

®
S14050.A
LSI53C1000
PCI to Ultra160
SCSI Controller
TECHNICAL
MANUAL
February 2001
Version 2.1

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 DB14-000128-03, Third Edition (February 2001). This document
describes the LSI Logic LSI53C1000 PCI to Ultra160 SCSI Controller 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rescinded by an update.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.
Ultra SCSI is the term used by the SCSI Trade Association (STA) to describe
Fast-20 SCSI, as documented in the SCSI-3 Fast-20 Parallel Interface standard,
X3.277-199X.
Ultra2 SCSI is the term used by the SCSI Trade Association (STA) to describe
Fast-40 SCSI, as documented in the SCSI Parallel Interface–2 standard, (SPI–2)
X3T10/1142D.
Copyright © 2000–2001 by LSI Logic Corporation. All rights reserved.
TRADEMARK ACKNOWLEDGMENT
The LSI Logic logo design, TolerANT, SCRIPTS, SDMS, SureLINK, and LVDlink
are registered trademarks or trademarks of LSI Logic Corporation. All other brand
and product names may be trademarks of their respective companies.
AP

Preface iii
Preface
This book is the primary reference and technical manual for the LSI Logic
LSI53C1000 PCI to Ultra160 SCSI Controller. This manual contains a
complete functional description for the product and includes physical and
electrical specifications.
Audience
This document was prepared for system designers and programmers
who are using this device to design an Ultra160 SCSI port for PCI-based
personal computers, workstations, servers or embedded applications.
Organization
This document has the following chapters and appendixes:
•Chapter 1, Introduction, describes the general information about the
LSI53C1000.
•Chapter 2, Functional Description, describes the main functional
areas of the chip in greater detail, including the interfaces to the
SCSI bus and external memory.
•Chapter 3, Signal Descriptions, contains the pin diagram and signal
descriptions.
•Chapter 4, Registers, describes each bit in the operating registers,
and is organized by register address.
•Chapter 5, SCSI SCRIPTS Instruction Set, defines all of the SCSI
SCRIPTS instructions that are supported by the LSI53C1000.
•Chapter 6, Specifications, contains the electrical characteristics and
AC timing diagrams.
•Appendix A, Register Summary, is a register summary.

iv Preface
•Appendix B, External Memory Interface Diagram Examples,
contains several example interface drawings for connecting the
LSI53C1000 to external ROMs.
Related Publications
For background please contact:
ANSI
11 West 42nd Street
New York, NY 10036
[phone]
Ask for document number X3.131-199X (SCSI-2)
Global Engineering Documents
15 Inverness Way East
Englewood, CO 80112
[phone] or [phone] (outside U.S.) FAX [phone]
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
[phone]
Document names: SCSI Bench Reference, SCSI Encyclopedia, SCSI
Tutor
Prentice Hall
113 Sylvan Avenue
Englewood Cliffs, NJ 07632
[phone]
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
SCSI SCRIPTS™ Processors Programming Guide, Order Number
S14044.A

Preface v
PCI Special Interest Group
2575 N. E. Katherine
Hillsboro, OR 97214
[phone]; [phone] (International); FAX [phone]
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
0.1 1/00 Advanced Version
1.0 5/00 Preliminary Version
2.0 11/00 Final Version.
Changed branding from SYM53C1000 to LSI53C1000.
2.1 2/01 Changed Ultra3 references to Ultra160.

vi Preface

Contents vii
Contents
Chapter 1 Introduction
1.1 General Description 1-1
1.1.1 New Features in the LSI53C1000 1-3
1.2 Benefits of Ultra160 SCSI 1-4
1.3 Benefits of SureLINK (Ultra160 SCSI Domain Validation) 1-5
1.4 Benefits of LVDlink 1-6
1.5 Benefits of TolerANT®Technology 1-6
1.6 Summary of LSI53C1000 Benefits 1-7
1.6.1 SCSI Performance 1-7
1.6.2 PCI Performance 1-9
1.6.3 Integration 1-9
1.6.4 Ease of Use 1-10
1.6.5 Flexibility 1-10
1.6.6 Reliability 1-11
1.6.7 Testability 1-11
Chapter 2 Functional Description
2.1 PCI Functional Description 2-3
2.1.1 PCI Addressing 2-3
2.1.2 PCI Bus Commands and Functions Supported 2-4
2.1.3 PCI Cache Mode 2-10
2.2 SCSI Functional Description 2-18
2.2.1 SCRIPTS Processor 2-19
2.2.2 Internal SCRIPTS RAM 2-19
2.2.3 64-Bit Addressing in SCRIPTS 2-20
2.2.4 Hardware Control of SCSI Activity LED 2-21
2.2.5 Designing an Ultra160 SCSI System 2-22
2.2.6 Prefetching SCRIPTS Instructions 2-31
2.2.7 Opcode Fetch Burst Capability 2-32

viii Contents
2.2.8 Load and Store Instructions 2-32
2.2.9 JTAG Boundary Scan Testing 2-33
2.2.10 Parity/CRC/AIP Options 2-33
2.2.11 DMA FIFO 2-36
2.2.12 SCSI Data Paths 2-37
2.2.13 SCSI Bus Interface 2-39
2.2.14 Select/Reselect During Selection/Reselection 2-40
2.2.15 Synchronous Operation 2-41
2.2.16 Interrupt Handling 2-45
2.2.17 Interrupt Routing 2-53
2.2.18 Chained Block Moves 2-55
2.3 Parallel ROM Interface 2-59
2.4 Serial EEPROM Interface 2-61
2.4.1 Default Download Mode 2-61
2.4.2 No Download Mode 2-62
2.5 Power Management 2-62
2.5.1 Power State D0 2-63
2.5.2 Power State D1 2-63
2.5.3 Power State D2 2-64
2.5.4 Power State D3 2-64
Chapter 3 Signal Descriptions
3.1 Signal Organization 3-1
3.2 Internal Pull-ups and Pull-downs on LSI53C1000 Signals 3-4
3.3 PCI Bus Interface Signals 3-4
3.3.1 System Signals 3-5
3.3.2 Address and Data Signals 3-6
3.3.3 Interface Control Signals 3-7
3.3.4 Arbitration Signals 3-8
3.3.5 Error Reporting Signals 3-8
3.3.6 Interrupt Signals 3-9
3.4 SCSI Bus Interface Signals 3-9
3.5 General Purpose I/O (GPIO) Signals 3-13
3.6 Flash ROM and Memory Interface Signals 3-14
3.7 Test Interface Signals 3-15
3.8 Power and Ground Signals 3-16
3.9 MAD Bus Programming 3-17

Contents ix
Chapter 4 Registers
4.1 PCI Configuration Registers 4-1
4.2 SCSI Registers 4-21
4.3 SCSI Shadow Registers 4-119
Chapter 5 SCSI SCRIPTS Instruction Set
5.1 SCSI SCRIPTS 5-1
5.1.1 Sample Operation 5-3
5.2 Block Move Instructions 5-4
5.2.1 First Dword 5-5
5.2.2 Second Dword 5-13
5.2.3 Third Dword 5-14
5.3 I/O Instructions 5-14
5.3.1 First Dword 5-14
5.3.2 Second Dword 5-22
5.4 Read/Write Instructions 5-23
5.4.1 First Dword 5-23
5.4.2 Second Dword 5-24
5.4.3 Read-Modify-Write Cycles 5-24
5.4.4 Move To/From SFBR Cycles 5-25
5.5 Transfer Control Instructions 5-27
5.5.1 First Dword 5-27
5.5.2 Second Dword 5-33
5.5.3 Third Dword 5-33
5.6 Memory Move Instructions 5-34
5.6.1 Read/Write System Memory from a SCRIPT 5-35
5.6.2 Second Dword 5-36
5.6.3 Third Dword 5-36
5.7 Load and Store Instructions 5-37
5.7.1 First Dword 5-38
5.7.2 Second Dword 5-39
Chapter 6 Specifications
6.1 DC Characteristics 6-1
6.2 TolerANT Technology Electrical Characteristics 6-7
6.3 AC Characteristics 6-11

x Contents
6.4 PCI and External Memory Interface Timing Diagrams 6-13
6.4.1 Target Timing 6-14
6.4.2 Initiator Timing 6-24
6.4.3 External Memory Timing 6-41
6.5 SCSI Timing Diagrams 6-62
6.6 Package Drawings 6-71
Appendix A Register Summary
Appendix B External Memory Interface Diagram Examples
Index
Customer Feedback
Figures 1.1 Typical LSI53C1000 Board Application 1-2
1.2 Typical LSI53C1000 System Application 1-3
2.1 LSI53C1000 Block Diagram 2-2
2.2 DMA FIFO Sections 2-36
2.3 LSI53C1000 Host Interface SCSI Data Paths 2-37
2.4 Regulated Termination for Ultra160 SCSI 2-40
2.5 Determining the Synchronous Transfer Rate 2-45
2.6 Interrupt Routing Hardware Using the LSI53C1000 2-54
2.7 Chained Block Move Instruction 2-55
3.1 LSI53C1000 Signal Grouping 3-3
4.1 Single Transition Transfer Waveforms 4-102
4.2 DT Transfer Waveforms (XCLKS Examples) 4-103
4.3 DT Transfer Waveforms (XCLKH Examples) 4-104
5.1 SCRIPTS Overview 5-4
5.2 Block Move Instruction - First Dword 5-5
5.3 Block Move Instruction - Second Dword 5-13
5.4 Block Move Instruction - Third Dword 5-14
5.5 First 32-bit Word of the I/O Instruction 5-14
5.6 Second 32-Bit Word of the I/O Instruction 5-22
5.7 Read/Write Instruction - First Dword 5-23