Intel IXP46X manuály

Intel IXP46X Uživatelský manuál (108 strany)

Značka: Intel | Kategorie: Sítě | Velikost: 1.67 MB |

Angličtina

Tabulka s obsahem

IXP45X and Intel

1

HDD February 2007

2

Contents

3

Revision History

7

1.0 Introduction

9

1.2 Related Documentation

10

Acronyms and Abbreviations

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B3777 -007

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1.5 Typical Applications

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2.0 System Architecture

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Line of Network

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Processors

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IXP46X Product

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3.1 Soft Fusible Features

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3.2 DDR-266 SDRAM Interface

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3.3 Expansion Bus

20

3.3.1 Signal Interface

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IXP45X and

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3.3.3 8-Bit Device Interface

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3.3.4 16-Bit Device Interface

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3.3.5 32-Bit Device Interface

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8-Bit Device

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16-Bit Device

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32-Bit Device

25

3.4.1 Signal Interface

29

3.5 MII/SMII Interface

30

3.5.1 Signal Interface MII

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VCC (3.3 V)

33

3.5.3 Signal Interface, SMII

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3.6 GPIO Interface

35

3.6.1 Signal Interface

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3.6.2 Design Notes

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C Interface

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B4104-002

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3.8.1 Signal Interface

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Host Device

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Device Host

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3.9.1 Signal Interface

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3.9.2 Device Connection

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B4107 -003

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3.10.1 Signal Interface

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B4109-001

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3.12 PCI Interface

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B4110- 001

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Product Line

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Network Processor

51

3.13 JTAG Interface

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3.14 Input System Clock

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3.15 Power

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4.0 General PCB Guide

59

4.5 Stack-Up Selection

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B2275-02

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5.1 Overview

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5.2 General Layout Guidelines

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Return Current

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25 mils min

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B2268-01

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5.2.5 USB Considerations

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5.2.6 Cross-Talk

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5.2.8 Trace Impedance

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5.2.9 Power and Ground Plane

69

6.1 Electrical Interface

71

6.2 Topology

71

Network

73

Processor

73

6.3.2 Routing Guidelines

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6.3.3 Signal Loading

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7.0 DDR-SDRAM

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B3986-001

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IXP46X DDR SDRAM

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Signal-Timing Analysis

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B3989-001

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B3990-001

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7.1.5 Timing Relationships

87

7.1.7 Routing Guidelines

88

7.2 Simulation Results

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7.2.2 Data Group

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7.2.3 Control Group

98

7.2.4 Command Group

100

7.2.5 RCVENIN and RCVENOUT

105

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