I've been using the 16F819 for a small project for a few weeks, and have
had no real problems with the chip itself.  It was a bit difficult to get
the
ICSP working, but I'm thinking that's more of a problem with the
WARP-13a programmer I was using than anything else.

Mike H.


>From: Russell McMahon <apptech@PARADISE.NET.NZ>
>Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>To: PICLIST@MITVMA.MIT.EDU
>Subject: [PIC]: 16F819 quality
>Date: Tue, 23 Sep 2003 20:51:17 +1200
>
>To    PICLIST:
>
>Quality, while unusual in this context, seemed like the word I wanted :-)
>
>SUMMARY:    Has the 16F819 got any problems that would make
>                           me think about not using it in a moderate volume
>                           production application. ?
>
>                          Comments sought from people who have used it.
>
>DETAIL:
>
>I'm about to design the next generation of a product.
>Present product uses a non-PIC non-Flash processor.
>I have several non-PIC candidate processors.
>New processor will ideally be:
>
>Bulletproof
>Flash plus eerom parameter storage.
>ISP
>Hardware PWM (essential)
>A/D - preferably 10 bit
>Around 16 I/O
>1K / 2K word versions preferable.
>On board power on Reset and anti-Brownout that work
>Available readily in Taiwan .
>Reasonably priced basic development tools (basic programmer / simulator
>probably adequate. ICE OK if cheap (as some are))
>
>Low voltage operation a plus.
>UART nice but not essential.
>
>______________
>
>Bullet proof translates to:
>
>         Provided ALL data sheet operating specifications are met
>         then NO unexpected operation modes, inexplicable crashes,
>         weird startup modes or other bad surprises.
>
>I have had too much of the above already from xxx's product.
>
>I can tolerate known "features" which are well described and which can be
>worked around (although these are better absent).
>
>The 16F818 / 16F819 seems to meet my spec.
>Notably 1K/2K Flash versions, hardware PWM, 10 bit A/D, ISP
>
>So - has anyone got good or bad things to say about this particular PIC.
>Any surprises.
>Anyone used it in volume.
>Brownout works OK in presence of Tesla coils and lightning ? :-)
>Hand connect the battery and it starts every time?
>etc
>
>         Russell McMahon
>
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