Check that:

1. you have hit the pin with the X (no connection) marker
(if you change grid sizes sometimes things do not align up correctly)

2. Check that the pins are really defined as normal pins in the lib
editor. If they are anything special such as power out, power in and so
on, the system may try to assign nets to them.

Andy


On Mon, 19 Oct 2009 13:46:26 -0700 (PDT)
Berceanu Cristian <[email protected]> wrote:

> Hi guys,
> I have a microcontroller with several pins being NC (and I have explicitly 
> placed NC markings in the schematic. However, when I generate the netlist, 
> some of the pins to get the "?" mark but others get a numeric net name. These 
> last ones, which do get a net name, do not get connected to any other pins, 
> but I am concerned as to why some NC pins are treated differently from others 
> in the netlist.
> 
> I have uploaded the file test.net, representing the netlist. Pins 
> 2,3,8,12,13,14 and pins 21, 22, 23, 24 are all marked as NC in the schematic. 
> However the first ones appear in the netlist as "?", while the latter do get 
> unique net names. What could be the caouse of this?
> 
> Regards,
> Cristian 
> 
> 
> 
>       

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