User Guide
AllsignalsexceptVCCandGNDarerouted.
The Autorouter is started for all the signals that have not yet been laid
byclickingonthe OK button.
The Cancel menu item interrupts the AUTO command without storing
anychanges.
Autoroutersetup: Restartinganinterruptedjob
Do not at first make any changes to the parameters if you want to re
-
start an interrupted routing job. Use the Continue existing job check box
to decide whether you want to continue with an existing job, or whether
youwanttochoosenewsettingsfortheremainingsignals.
Endjob endstheautoroutingjobandloadsthepreviousroutingresult.
7.8 RoutingMulti-LayerBoards
Therearetwodifferentwaysofimplementing supplylayers.
•
Supplylayerswitha $-signatthestartofthelayername
•
Supplylayerswithpolygons
SupplyLayers
The definition of supply layers has already been described in the previ
-
oussectionunder PowerSupplyLayerswithOneSignal onpage 111.
Thefollowingpointsmustbeconsideredwhenautorouting:
•
Thelayernamespecifiesthesignalthatiscarriedbythislayer.The
layer$VCC,forexample,onlycarriestheVCCsignal.
•
Thelayerisrepresentedwithaninversedisplay.
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EAGLEManual