Online Document - Xilinx SP305 Spartan-3 User Manual

Chapter : About This Guide

Online Document

The following conventions are used in this document:
2
Convention
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
Convention
Cross-reference link to a
Blue text location in the current
document
Cross-reference link to a
Red text
location in another document
Blue, underlined text Hyperlink to a website (URL)
www.xilinx.com
Meaning or Use
Meaning or Use
SP305 Spartan-3 Development Platform User Guide
Example
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;
Example
See the section "Additional
Resources" for details.
Refer to "Title Formats" in
Chapter 1 for details.
See Figure 2-5 in the Virtex-II
Handbook.
Go to http://www.xilinx.com
for the latest speed files.
UG216 (v1.1) March 3, 2006
R