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8 www.xilinx.com CAN Getting Started Guide
UG186 April 19, 2010
Preface: About This Guide
Online Document
The following linking conventions are used in this document:
Italic font
Variables in a syntax statement
for which you must supply
values
ngdbuild design_name
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
Items that are not supported or
reserved
This feature is not supported
Square brackets [ ]
An optional entry or parameter.
However, in bus specifications,
such as bus[7:0], they are
required.
ngdbuild [option_name]
design_name
Braces { }
A list of items from which you
must choose one or more
lowpwr ={on|off}
Vertical bar |
Separates items in a list of
choices
lowpwr ={on|off}
Angle brackets < >
User-defined variable or in code
samples
<directory name>
Vertical ellipsis
.
.
.
Repetitive material that has
been omitted
IOB #1: Name = QOUT’
IOB #2: Name = CLKIN’
.
.
.
Horizontal ellipsis . . . Omitted repetitive material
allow block block_name loc1
loc2 ... locn;
Notations
The prefix ‘0x’ or the suffix ‘h’
indicate hexadecimal notation
A read of address 0x00112975
returned 45524943h.
An ‘_n’ means the signal is
active low
usr_teof_n is active low.
Convention Meaning or Use Example
Convention Meaning or Use Example
Blue text
Cross-reference link to a
location in the current
document
See the section “Guide
Contents” for details.
See “Title Formats” in Chapter 1
for details.
Blue, underlined text
Hyperlink to a website (URL)
Go to www.xilinx.com
for the
latest speed files.