Re: [CAD_CAM_EDM_DRO] Re: PICs as replacements for L297s

----- Original Message -----
From: "Tom Eldredge" <harmonyt@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, April 22, 2001 8:13 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: PICs as replacements for L297s


> Larry,
>
> If I understand what you are saying, you have a poduct out there which
> converts encoder outputs to step and direction output, using something
> called a F877 running at 20 mhz? Please clarify for us slower guys, what
is
> an F877? How much $ is your commercial product? Please answer. I
won't
> think of it as a commercial advertizement.
>
> Tom Eldredge
> ----- Original Message -----
> From: Larry Edington <ledington@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Friday, April 20, 2001 9:08 PM
> Subject: Re: [CAD_CAM_EDM_DRO] Re: PICs as replacements for L297s
>
>
> > Have you tried the interrupt on PORTB change feature for the encoders?
> I've
> > got a commercial product out there doing just this and it is working
> great.
> > Now, it's not running the encoders and super high speeds, but it's
> certainly
> > working very well. I've used up to 1000 CPR encoders on the F877 at
20mhz.
> >
> > later,
> > Larry E.
> >
> >
> >
> >
> >
> > ----- Original Message -----
> > From: <beer@...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Friday, April 20, 2001 1:01 PM
> > Subject: [CAD_CAM_EDM_DRO] Re: PICs as replacements for L297s
> >
> >
> >
> >
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>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> Post message: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
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> bill,
> List Manager
>
> FAQ: http://www.ktmarketing.com/faq.html
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
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>