Digital Equipment 21140A Bedienungsanleitung

DigitalSemiconductor21140A

10/100BASE–TXEvaluationBoard

User’sGuide

Order Number: EC–QN7QC–TE

Revision/Update Information: This preliminary document supersedes the

Digital Semiconductor 21140A

10/100BASE–TX Evaluation Board

User’s Guide (EC–QN7QB–TE).

Digital Equipment Corporation

Maynard, Massachusetts

July 1996

While Digital believes the information included in this publication is correct as of the date of

publication, it is subject to change without notice.

Digital Equipment Corporation grants to the purchaser of Alpha microprocessor or peripheral

sample designs a fully paid up, non-exclusive, irrevocable, perpetual and worldwide license to

copy, use, reproduce or have developed products based on or that incorporate all, or a portion

of the sample designs and to manufacture, have manufactured, market, sell, lease, license

or otherwise distribute such products based on, or that incorporate the sample Digital Alpha

microprocessor or peripheral products.

Digital, Digital Semiconductor, and the DIGITAL logo are trademarks of Digital Equipment

Corporation.

Digital Semiconductor is a Digital Equipment Corporation business.

Maxim is a registered trademark of Maxim Integrated Products, Inc.

Micro Linear is a registered trademark in the State of California owned by Micro-Linear

Corporation.

MicroWire is a registered trademark of BankAmerica Corporation.

Motorola is a registered trademark of Motorola, Inc.

National is a registered trademark of National Semiconductor Corporation.

NetWare and Novell are registered trademarks of Novell, Inc.

OS/2 is a registered trademark of International Business Machines Corporation.

PKZIP is a trademark of PKWARE, Inc.

Pulse Engineering is a registered trademark of Pulse Engineering, Inc.

Valor is a registered trademark of Valor Electronics, Inc.

All other trademarks and registered trademarks are the property of their respective owners.

FCC Statement for Class A Equipment

Warning! This is a Class A product. In a domestic environment this product may cause radio

interference in which case the user may be required to take adequate measures.

This equipment generates, uses, and may emit radio frequency energy. The equipment has been

type tested and found to comply with the limits for a Class A digital device pursuant to Part 15

of FCC rules, which are designed to provide reasonable protection against such radio frequency

interference.

Operation of this equipment in a residential area may cause interference in which case the user

at his own expense will be required to take whatever measures may be required to correct the

interference.

Additional information on the need to interconnect the device with shielded (data) cables or the

need for special devices, such as ferrite beads on cables, is required if such means of interference

suppression was used in the qualiﬁcation test for the device. This information will vary from

device to device and needs to be obtained from the EMC group or product manager and is based

on restrictions detailed in the FCC grant. As a rule at least one restriction applies and needs to

be added to the above FCC statement.

Contents

Preface ..................................................... vii

1 Introduction

1.1 What is the EB140A–TX? . . . ........................... 1–1

1.2 EB140A–TX Features ................................. 1–2

1.3 EB140A–TX Description ............................... 1–3

1.3.1 Block Diagram . ................................... 1–4

1.4 LEDs and Connectors ................................. 1–5

1.5 General-Purpose Port .................................. 1–7

1.6 EB140A–TX Dimensions ............................... 1–9

2 System Requirements, Kit Contents, and Installation

2.1 System Requirements ................................. 2–1

2.2 Kit Contents ........................................ 2–2

2.2.1 Using the Documentation ........................... 2–3

2.2.2 Unpacking the Hardware Design Package ............... 2–3

2.3 Installation Procedure ................................. 2–4

A Technical Support and Ordering Information

A.1 Obtaining Technical Support . ........................... A–1

A.2 Ordering Digital Semiconductor Products .................. A–1

A.3 Ordering Digital Semiconductor Literature ................. A–2

A.4 Ordering Third-Party Literature ......................... A–2

A.5 Obtaining Drivers and Software Updates .................. A–2

Figures

1–1 Main Components of the EB140A–TX . . ................ 1–3

1–2 EB140A–TX Block Diagram . . ........................ 1–4

1–3 EB140A–TX LEDs and Connectors .................... 1–5

1–4 General-Purpose Port Bit Mapping .................... 1–7

Tables

1–1 EB140A–TX LED and Connector Descriptions ............ 1–6

1–2 General-Purpose Port Bit Descriptions . ................ 1–8

2–1 Guidelines for Using Documentation . . . ................ 2–3

2–2 Hardware Design Package Files ...................... 2–3

Preface

This document describes the Digital Semiconductor 21140A 10/100BASE–TX

Evaluation Board (also referred to as the EB140A–TX), which is a sample

design and development board for systems based on the Digital Semiconductor

21140A PCI Fast Ethernet LAN Controller (21140A). The EB140A–TX supports

10BASE–T and 100BASE–TX Fast Ethernet, and complies with the electrical

and protocol requirements of the PCI Local Bus Speciﬁcation, Revision 2.0 and

PCI Local Bus Speciﬁcation, Revision 2.1.

Audience

This document is intended for developers who are evaluating the functionality

of the 21140A, and who use the EB140A–TX to design systems based on

the 21140A.

Content Overview

This manual contains the following chapters and appendix:

•Chapter 1, Introduction — Describes the EB140A–TX.

•Chapter 2, System Requirements, Kit Contents, and Installation —

Lists the requirements for installing the EB140A–TX and lists the contents

of the Digital Semiconductor 21140A 10/100BASE–TX Evaluation Board

Kit. It also provides the procedure for installing the evaluation board.

•Appendix A, Technical Support and Ordering Information —

Contains information about how to obtain technical support and order

Digital Semiconductor products.

vii

Introduction

This chapter describes the main components of the EB140A–TX. The chapter

describes how to interpret the LEDs and connectors on the EB140A–TX, and it

describes the bit mapping of the general-purpose port.

1.1 What is the EB140A–TX?

The EB140A–TX is a 10BASE–T and 100BASE–TX PCI bus master adapter

board that demonstrates the functionality of the 21140A. With the EB140A–TX

installed in a personal computer (PC), you can evaluate the hardware, PCI

protocols, Ethernet controller, and autonegotiation protocols, and develop

drivers for an Ethernet node.

For more information about the 21140A, refer to the Digital Semiconductor

21140A PCI Fast Ethernet LAN Controller Data Sheet.

Preliminary—Subject to Change—July 1996 1–1

1.2 EB140A–TX Features

The EB140A–TX is a universal, PCI form-factor option card that has the

following features:

• Direct interface to PCI bus

• Full PCI compliance (revisions 2.0 and 2.1)

• PCI bus master operation

• Direct 10BASE–T and 100BASE–TX network connection

• Onboard, unique Ethernet address MicroWire ROM

• Onboard boot ROM

• Full JTAG support

• Full autonegotiation support

• ‘‘Jumperless’’ board—fully software controlled (including network bit rate

selection)

• LEDs for indicating link status, transmit activity, and receive activity

• Support for 5-volt and 3.3-volt signaling environment systems

• Minimum chip count implementation

• Single 5-volt power supply

• Power-management support

1–2 Preliminary—Subject to Change—July 1996

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