Howard,

I do not know how big is your project and how badly it relies on the circuit
but I have spent on lots of working hours in front of a simulator, created
lots of different stimulus files, then when I felt it is ready I had to just
programmed into the chip and get tested. Everything was ok except two minor
things so that I had to create further stimulus files but it took 2 hours or
less to get get it over. So I do not know, it is either a bad or a good
thing to simulate instead of debugging but you may can try it 'for free of
charge' using MPLAB or you can have a look at gpsim or other simulatros that
could also simulate some basic components (LCD, LED, serial EEPROM).

Actually, I could not find any circuit simulator that could be integrated
with PIC simulators -- is anybody have seen one of those?

Tamas



On 14/08/06, Howard Winter <HDRW@h2org.demon.co.uk> wrote:
>
> Alan,
>
> On Mon, 14 Aug 2006 08:31:48 +0100, Alan B. Pearce wrote:
>
> > >OK I understand, but most of what I do uses 20 pin PICs
> > >and below, so I'm not sure having a board with a 44 pin
> > >device fixed to it is going to be of much use to me.
> > >I think I'll just go for the version with the LPC demo
> > >board, again.
> >
> > But you could always use the F917 as your development unit while
> debugging,
> > and then transfer the code to the relevant chip once sorted. ISTR there
> is
> > an app note about doing that using the F877 as the debug chip for F84
> and
> > similar family members.
>
> Granted, but it is quite a huge jump from, say, an 8-pin device to the 917
> - the differences in all sorts of things (not just the
> pincount) are enough that there's a good chance I'd have to have two
> development phases - debugging first on the 917 then again on the
> actual target (I know how good I am at remembering all the differences
> between PICs! :-)  I very much prefer to develop on the actual
> target in the first place.
>
> For any other Brits thinking of getting a PICKIT2, I've found that Farnell
> still have in stock a promotional bundle (for =A325.15 inc.VAT)
> which includes a number of sample PICs:
> http://uk.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3D9945350
>
> If that link gets broken, look for order code 9945350.
>
> Cheers,
>
>
> Howard Winter
> St.Albans, England
>
>
>
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