User Guide

SettheGrid
Now check that 0.1 inch is set as the grid size. The pins in the symbol
must beplacedonthisgrid,sincethisiswhatEAGLEexpects.
PlacethePins
Select the PIN command. You can now set the properties of these pins
in the parameter toolbar, before placing them with the left mouse but
-
ton. All these properties can be changed at a later stage with the
CHANGE command. Groups can again be defined (GROUP) whose
properties can then be altered with CHANGE and the right
mouse but
-
ton.Seealsopage 141.
Pincommand-Parametertoolbar
Orientation
Set the direction of the pins (Orientation parameter) using the four
left-hand icons in the parameter toolbar or, more conveniently, by rotat
-
ingwiththerightmousebutton.
Function
The function parameter is set with the next four icons on the parameter
toolbar. This specifies whether the symbol is to be shown with an inver
-
sion circle (Dot), with a clock symbol (Clk), with both (DotClk) or
simply as a stroke (None). The diagram illustrates the four representa
-
tionsononepackage.
PinFunctions
Length
The next four icons on the parameter toolbar permit setting of the pin
length (0, 0.1 inch, 0.2 inch, 0.3 inch). The 0 setting is used if no pin-line
is to be visible, or if, as in the resistor symbol, a pin shorter than 0.1 inch
is desired. In that case the pin is to be drawn with the WIRE command
asalineinlayer94, Symbols.
142
EAGLEManual