Conventions; Typographical - Xilinx VIODC User Manual

Preface: About This Guide

Conventions

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

Typographical

The following typographical conventions are used in this document:
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12
Convention
Messages, prompts, and
program files that the system
Courier font
displays
Literal commands that you
Courier bold
enter in a syntactical statement
Commands that you select
from a menu
Helvetica bold
Keyboard shortcuts
Variables in a syntax
statement for which you must
supply values
Italic font References to other manuals
Emphasis in text
An optional entry or
parameter. However, in bus
Square brackets [ ]
specifications, such as
bus[7:0], they are required.
A list of items from which you
Braces { }
must choose one or more
Separates items in a list of
Vertical bar |
choices
Vertical ellipsis
Repetitive material that has
.
. been omitted
.
Repetitive material that has
Horizontal ellipsis . . .
been omitted
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Meaning or Use
Video Input/Output Daughter Card
Example
speed grade: - 100
ngdbuild design_name
File → Open
Ctrl+C
ngdbuild design_name
See the Development System
Reference Guide for more
information.
If a wire is drawn so that it
overlaps the pin of a symbol,
the two nets are not connected.
ngdbuild [option_name]
design_name
lowpwr ={on|off}
lowpwr ={on|off}
IOB #1: Name = QOUT'
IOB #2: Name = CLKIN'
.
.
.
block_name
allow block
loc1 loc2 ... locn;
UG235 (v1.2.1) October 31, 2007
R