Hi,

What's not working? Are you using a bootloader designed for the non-A chip? That 
requires to be different as the A chip programs 4 words at a time  instead of 1.

Regards, Brent.

On 29 Mar 2007 at 15:34, John Dammeyer wrote:

> Hi Bob,
> 
> Thanks.  I suspect then that the client has built the board with a
> problem since I used my ICD2 to program the device and examined the
> Config word to make sure it wasn't different.  No issues there that I
> can see.
> 
> Just thought I might be missing something.  Comparators are off anyway
> by default which in this case is a good thing.
> 
> John Dammeyer
> 
> 
> Automation Artisans Inc.
> http://www.autoartisans.com
> Ph. 1 250 544 4950
> 
> 
> > -----Original Message-----
> > From: piclist-bounces@mit.edu 
> > [mailto:piclist-bounces@mit.edu] On Behalf Of Bob Blick
> > Sent: Thursday, March 29, 2007 3:03 PM
> > To: Microcontroller discussion list - Public.
> > Subject: Re: [PIC] 16F876 and 16F876A compatibility.
> > 
> > 
> > 
> > --- John Dammeyer <johnd@autoartisans.com> wrote:
> > 
> > > Hi,
> > > 
> > > Is there any reason why a PIC16F876A programmed with
> > > code that was
> > > working in a PIC16F876 would not work?  Is there
> > > something specific in
> > > the 876A that needs a code change?
> > 
> > 876A has comparators and comparator interrupts. Also
> > the config word is different(that may be all you need
> > to change). And of course your programmer won't
> > program an 876A if it's set to 876.
> > 
> > But I have migrated projects from 876 to 876A with
> > only changing the config word - power up reset
> > defaults to comparators off.
> > 
> > Cheerful regards,
> > 
> > Bob
> > -- 
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> > 
> 
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