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PADS Autorouter issue - routing layers exceeeded

Question asked by rahul.chander on Feb 21, 2011
Latest reply on Mar 2, 2011 by rahul.chander

Hi

 

I keep getting an error in PADS Autorouter that I have exceeded the maximum routing layer limit.  I don't understand how this is possible.  I got the following setup in layer definition:

 

Layer 1: Top

Layer Type: Component

Plane Type - Split/Mixed

Routing Direction: Any

 

Layer 2: Power

Layer Type: Routing (Greyed out)

Plane Type - Split/Mixed

Routing Direction: Any

 

Layer 3: Ground

Layer Type: Routing (Greyed out)

Plane Type - Split/Mixed

Routing Direction: Any

 

Layer 4: Bottom

Layer Type: Component

Plane Type - Split/Mixed

Routing Direction: Any

 

 

It was able to auto-route before on the same four layer board and now I don't know what setting got changed such that it no longer works. 

 

Any help would be great.

 

Thanks

 

Rahul

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