MCLR is unconnected, but i have disabled it through CONFIG3H.. Ok, i'll try=
 tomorrow, i am a bit tired now :)

PS: sorry for the dumbness of this question but (as a student) it's the fir=
st time something like this happens to me, never happened with 16F84 or 876

> Date: Mon, 26 Sep 2011 22:45:44 +0200
> From: jan-erik.soderholm@telia.com
> To: piclist@mit.edu
> Subject: Re: [PIC]PIC18F2550A, Pwm doesn't work when using on external po=
wer	supply
>=20
> Hi !
>=20
> Wherever the supply comes from, never have any "open CMOS inputs" !
> If PORTA are inputs, and are un-connected, that *might* produce
> the effect you are seeing.
>=20
> How is MCLR handled. When conncted to the PICkit2, the PICkit2
> manage the MCLR pin, but how is it handled when connected to
> the "power supply" ?
>=20
> Jan-Erik.
>=20
>=20
>=20
> Jacopo Monegato wrote 2011-09-26 22:33:
> >
> > Well, PORTA, but the program actually skips that part at the moment....
> > I think the crucial point is that the problem comes when i connect the
> > PIC to the power supply instead of the PICkit
> >
> >> Date: Mon, 26 Sep 2011 22:22:10 +0200 From:
> >> jan-erik.soderholm@telia.com To: piclist@mit.edu Subject: Re:
> >> [PIC]PIC18F2550A, Pwm doesn't work when using on external power
> >> supply
> >>
> >>
> >>
> >> Jacopo Monegato wrote 2011-09-26 18:57:
> >>>
> >>> but if i touch to some random and unconnected parts...
> >>
> >> Are those "unconnected parts", parts of the PIC ? This sounds as a
> >> open-CMOS-input problem. Do you have any I/O pin that are inputs
> >> (which is the default if you do not config them at all) and not
> >> connected to anything ("open") ?
> >>
> >> Jan-Erik. -- http://www.piclist.com PIC/SX FAQ&  list archive
> >> View/change your membership options at
> >> http://mailman.mit.edu/mailman/listinfo/piclist
> >
> --=20
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
 		 	   		 =20
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.