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Texas Instruments VLYNQ Port User Manual

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Contents

Preface

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7

1

Introduction

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9

1.1

Purpose of the Peripheral

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9

1.2

Features

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9

1.3

Functional Block Diagram

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10

1.4

Industry Standard(s) Compliance Statement

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10

2

Peripheral Architecture

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11

2.1

Clock Control

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11

2.2

Signal Descriptions

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12

2.3

Pin Multiplexing

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12

2.4

Protocol Description

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12

2.5

VLYNQ Functional Description

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13

2.6

Initialization

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16

2.7

Auto-Negotiation

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16

2.8

Serial Interface Width Configuration

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16

2.9

Address Translation

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17

2.10

Flow Control

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20

2.11

Reset Considerations

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21

2.12

Interrupt Support

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21

2.13

DMA Event Support

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23

2.14

Power Management

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24

2.15

Emulation Considerations

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24

3

VLYNQ Port Registers

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25

3.1

Revision Register (REVID)

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26

3.2

Control Register (CTRL)

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27

3.3

Status Register (STAT)

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29

3.4

Interrupt Priority Vector Status/Clear Register (INTPRI)

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31

3.5

Interrupt Status/Clear Register (INTSTATCLR)

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31

3.6

Interrupt Pending/Set Register (INTPENDSET)

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32

3.7

Interrupt Pointer Register (INTPTR)

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32

3.8

Transmit Address Map Register (XAM)

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33

3.9

Receive Address Map Size 1 Register (RAMS1)

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34

3.10

Receive Address Map Offset 1 Register (RAMO1)

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34

3.11

Receive Address Map Size 2 Register (RAMS2)

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35

3.12

Receive Address Map Offset 2 Register (RAMO2)

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35

3.13

Receive Address Map Size 3 Register (RAMS3)

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36

3.14

Receive Address Map Offset 3 Register (RAMO3)

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36

3.15

Receive Address Map Size 4 Register (RAMS4)

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37

3.16

Receive Address Map Offset 4 Register (RAMO4)

........................................................

37

3.17

Chip Version Register (CHIPVER)

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38

3.18

Auto Negotiation Register (AUTNGO)

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38

4

Remote Configuration Registers

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39

Appendix A VLYNQ Protocol Specifications

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40

A.1

Special 8b/10b Code Groups

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40

SPRUE36A – September 2007

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