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Preface – Avago Technologies LSI53C895A User Manual

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Preface

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Preface

This book is the primary reference and technical manual for the
LSI53C895A PCI to Ultra2 SCSI Controller. It contains a complete
functional description for the product and also includes complete physical
and electrical specifications.

Audience

This manual provides reference information on the LSI53C895A PCI to
Ultra2 SCSI Controller. It is intended for system designers and
programmers who are using this device to design an Ultra2 SCSI port for
PCI-based personal computers, workstations, servers or embedded
applications.

Organization

This document has the following chapters and appendixes:

Chapter 1, General Description,

includes general information about

the LSI53C895A.

Chapter 2, Functional Description

, describes the main functional

areas of the chip in more detail, including interfaces to the SCSI bus
and external memory.

Chapter 3, Signal Descriptions

, contains pin diagrams 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 LSI53C895A.