1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
<html>
<head>
<title>EAGLE Help: Generating a Board from a Schematic</title>
</head>
<body bgcolor=white>
<font face=Helvetica,Arial>
<hr>
<i>EAGLE Help</i>
<h1><center>Generating a Board from a Schematic</center></h1>
<hr>
By using the <a href=30.htm>BOARD</a> command or clicking the Switch-to-Board icon you
can generate a board from the loaded schematic (if there is no board
with the same name yet).
<p>
All the components, together with their connections drawn as airwires,
appear beside a blank board ready for placing. Power pins are
automatically connected to the appropriate supply (if not connected by
a net on the schematic).
<p>
The board is linked to the schematic via <a href=321.htm>Forward&Back Annotation</a>.
This mechanism makes sure that schematic and board are consistent.
When editing a drawing, board and schematic must be loaded to keep
Forward&Back Annotation active.
<p>
<b>Set Board Outlines and Place Components</b>
<p>
The board outlines can be adjusted with the <a href=61.htm>MOVE</a> and <a href=91.htm>SPLIT</a>
commands as appropriate before moving each package on the board. Once
all packages have been placed, the <a href=75.htm>RATSNEST</a> command is used to
optimize airwires.
<p>
<b>Define Restricted Areas</b>
<p>
If required, restricted areas for the Autorouter can be defined as
<a href=76.htm>RECT</a>angles, <a href=71.htm>POLYGON</a>s, or <a href=33.htm>CIRCLE</a>s on the tRestrict, bRestrict, or
vRestrict layers. Note: areas enclosed by wires drawn on the Dimension
layer are borders for the Autorouter, too.
<p>
<b>Routing</b>
<p>
Airwires are now converted into tracks with the aid of the <a href=83.htm>ROUTE</a>
command. This function can also be performed automatically by the
<a href=29.htm>Autorouter</a>, when available.
<hr>
<table width=100% cellspacing=0 border=0><tr><td align=left><font face=Helvetica,Arial>
<a href=index.htm>Index</a>
</font></td><td align=right><font face=Helvetica,Arial size=-1>
<i>Copyright © 2005 CadSoft Computer GmbH</i>
</font></td></tr></table>
<hr>
</font>
</body>
</html>
|
