User Guide

Chapter 7
The Autorouter
7.1 Basic Features
•
Any routing grid(min.0.02mm)
•
Anyplacementgrid(min.0.1micron)
•
SMDsareroutedonbothsides
•
Thewholedrawingareacanbetheroutingarea(providedenough
memoryisavailable)
• Thestrategyisselectedviacontrolparameters
•
Simultaneousroutingofvarioussignalclasseswithvarioustrack
widthsandminimumclearances
•
Commondataset(DesignRules)fortheDesignRuleCheckand
theAutorouter
•
Multilayercapability(upto16layerscanberoutedsimultane
-
ously,notonlyinpairs)
•
The preferredtrackdirectioncanbesetindependentlyforeach
layer:horizontalandvertical,true45/135degrees(importantfor
innerlayers!)
•
Ripupandretryfor100%routingstrategy
•
Optimizationpassestoreduceviasandsmoothtrackpaths
•
Preroutedtracksarenotchanged
7.2 WhatCanbeExpectedfromthe
Autorouter
The EAGLE Autorouter is a “100 %” router. This means that boards
which, in theory, can be completely routed will indeed be 100 % routed
by the Autorouter, provided - and this is a very important restriction -
the Autorouter has unlimited time. This restriction is valid for all 100 %
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