Preface

This book is the primary reference and technical manual for the LSI53C875A PCI to Ultra 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 LSI53C875A PCI to Ultra SCSI Controller. It is intended for system designers and programmers who are using this device to design an Ultra 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 LSI53C875A.

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 LSI53C875A.

Preface

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LSI 53C875A technical manual Audience, Organization