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Typographic Conventions
Visual Cue
Courier type
Meaning
Signal and port names are shown in lowercase Courier type. Examples:
data1
,
tdi
,
input.
Active-low signals are denoted by suffix
n
, e.g.,
resetn
.
Anything that must be typed exactly as it appears is shown in Courier type. For
example:
c:\qdesigns\tutorial\chiptrip.gdf
. Also, sections of an actual
file, such as a Report File, references to parts of files (e.g., the AHDL keyword
SUBDESIGN
), as well as logic function names (e.g.,
TRI
) are shown in Courier.
1., 2., 3., and
a., b., c., etc.
■
■
Numbered steps are used in a list of items when the sequence of the items is
important, such as the steps listed in a procedure.
Bullets are used in a list of items when the sequence of the items is not important.
The checkmark indicates a procedure that consists of one step only.
The hand points to information that requires special attention.
A caution calls attention to a condition or possible situation that can damage or
destroy the product or the user’s work.
A warning calls attention to a condition or possible situation that can cause injury to
the user.
The angled arrow indicates you should press the Enter key.
The feet direct you to more information on a particular topic.
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