At 02:21 AM 1/29/2004, Tony Karavidas wrote:
This will DRC properly because of the manual net assignment, however the
thing to watch is when you do an UpdatePCB from the schematic. It will try
and generate a macro to remove U?_PAD0 from net GND. Just delete that macro
and continue.


This is why it is not a good idea to use a pad in this way. Instead, if you want to use manual net assignment, use a non-pad primitive such as a fill or track or via, plus whatever is needed on the solder mask area. This is set-and-forget, unless you clear out the nets. If you forget to assign the net, DRC will tell you!


Generally, macro creation upon resynchronization is a sign that something is wrong; perhaps there are duplicate nets (this can happen under some conditions, typically incorrect schematic configuration), perhaps there are duplicate pad numbers that have been incorrectly assigned, perhaps something else has happened, such as a manual net assignment for a pad, which might be intentional or otherwise. It's a good idea to arrange things so that resychronization produces no macros, which is strong evidence that the PCB and schematic correspond.





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