LT Spice

[Demon]

I didn't know about MPSIM:http:
http://www.microchip.com/development...gs_mplab3.aspx

I think you have to work in 2 parts; ie: a discrete circuit that generates a waveform in LT Spice, when you have that working, then define the waveform on the proper pin in MPSIM.

I've looked at a few forums that asked the same thing for PIC mcus, but there doesn't seem to be anything floating out there. One guy did suggest to simulate what a pin does with discretes:
http://www.microchip.com/forums/m107511-print.aspx

Robert


EDIT: Lots of free spice libraries here:
http://www.emwonder.com/spicemodels/