Conventions, Typographical – Xilinx 1000BASE-X User Manual

Page 16

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Ethernet 1000BASE-X PCS/PMA or SGMII v9.1

UG155 March 24, 2008

Preface: About This Guide

R

Chapter 11, “Dynamic Switching of 1000BASE-X and SGMII Standards”

provides

general guidelines for using the core to perform dynamic standards switching
between 1000BASE-X and SGMII.

Chapter 12, “Constraining the Core”

defines the constraint requirements of the core.

Chapter 13, “Interfacing to Other Cores”

describes additional design considerations

associated with implementing the core with the 1-Gigabit Ethernet MAC and Tri-
Mode Ethernet MAC cores.

Chapter 14, “Special Design Considerations”

describes additional design

considerations associated with implementing the core.

Chapter 15, “Implementing the Design”

describes how to simulate and implement

your design containing the core.

Appendix A, “Core Verification, Compliance, and Interoperability”

describes how the

core was verified.

Appendix B, “Core Latency”

defines the latency of the core.

Appendix C, “Calculating the DCM Fixed Phase Shift Value”

instructs the user about

how to calculate the system timing requirements when using DCMs with the core.

Appendix D, “1000BASE-X State Machines”

serves as a reference for the basic

operation of the 1000BASE-X IEEE 802.3 clause 36 transmitter and receiver state
machines.

Appendix E, “Rx Elastic Buffer Specifications”

describes the depth of the Rx Elastic

Buffers which are available with the core. The size of the buffer is related to the
maximum frame size which the core can accommodate.

Appendix F, “Debugging Guide”

provides information for debugging the core within

a system.

Conventions

This document uses the following conventions. An example illustrates each convention.

Typographical

The following typographical conventions are used in this document.

Convention

Meaning or Use

Example

Courier font

Messages, prompts, and
program files that the system
displays

speed grade: - 100

Courier bold

Literal commands you enter in
a syntactical statement

ngdbuild

design_name

Italic font

References to other manuals

See the User Guide for details.

Emphasis in text

If a wire is drawn so that it
overlaps the pin of a symbol,
the two nets are not connected.

Dark Shading

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or reserved

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