> I love that kind of noise. vss connected to gnd is a failure 
> to rename pins and/or nets suitably imho.

Why? Microchip calls its 0V pin Vss, other chips call it GND or
something else. Why should it be an error to connect the two? If I am
realy creative I might want to run two PICs on a -5/0/+5 supply, so one
chip's Vdd and the other chip's Vss would both connect to GND. If I want
to do that, who is that ERC check to complain?

> I don't know about one pin on net.

My 'standard' way to do PIC circuits is to connect all I/O pins to a
bus. This part is often copied from a previous circuit. Next I'll use
the nets from that bus as I need them. Often some will be left unused.
Again, my choice! This is a bit like a compiler complaining about unused
variables, which often arises because my code customized by some macros.


Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
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