I have done it with a limited number of segments and I know Jason W. has
built a whole series of products using the trick. It works fine but be
careful during debug since you will bias some segments with DC at that time.
Larry G. Nelson Sr.

At 10:27 AM 2/25/03 -0600, you wrote:
> >So, what...am I supposed to know everything? ;)
>
>Engineers are supposed to know quite a lot about a very little, and better
>engineers know more and more about less and less until they know
>everything about nothing.
>
>Technicians are supposed to know a little about many things, and better
>technicians know less and less about more and more until they know nothing
>about everything.
>
>Our bosses and managers  think they know everything about everything but
>when technicians and engineers get done baffling them with technobabble
>they know nothing about nothing.
>
>
>On a serious note, and to keep the subject on PICs so I don't have to
>change the topic tag,
>
>Apparently MCHIP has come out with an app note about using basically any
>PIC as an LCD driver, and achieving the 1/3-2/3 voltages on the LCD pins
>through PWM.  Has anybody used this successfully?
>
>I have been campaigning for a while that MCHIP should come out with more
>integrated LCD drivers, and this may be the trick that does it, a virtual
>software on-chip LCD driver.
>
>-- Lawrence Lile
>
>
>
>
>
>Chris Loiacono <chris@MAIL2ASI.COM>
>Sent by: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>02/25/2003 10:15 AM
>Please respond to pic microcontroller discussion list
>
>
>         To:     PICLIST@MITVMA.MIT.EDU
>         cc:
>         Subject:        Re: [PIC]: Panel LCDs
>
>
>OK, so you guys proved my ignorance once again...that is an unfamiliar
>part
>for me...
>
>So, what...am I supposed to know everything? ;)
>The more I learn, I realize how much more I have to learn.
>
>
> > You mean like the 16C9xx?
>
>--
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>
>
>
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Larry G. Nelson Sr.
mailto:L.Nelson@ieee.org
http://www.mchipguru.com

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