Re: Pulse Gen

Hi,

The maximum frequency is equal to the clock freq, a reasonable value
being 4 to 8 megahertz. Unlike counter/timer circuits, all 32,768
frequencies are evenly spaced.

Mariss

--- In CAD_CAM_EDM_DRO@egroups.com, "Wally K" <cnc4me@u...> wrote:
> Alan, are you talking about writing a driver for EMC.
>
> As for pulsegen circuit. It seems overly complex for the
performance
> and cost. If i remember right it takes 14 IC's per axis and has a
> max freq of 8khz.
>
> If my calcs are correct a 5tpi screw with a 2-1 belt reduction and
> 1/2 step mode will require 13.3Khz for 200IPM rapid.
>
> I do not think you should settle for less than this performance
with
> the complexity and cost of the pulsegen circuit. (but this is a
dam
> cleaver circuit).
>
> Let me know what your thoughts are.
>

> --- In CAD_CAM_EDM_DRO@egroups.com, Alan Marconett KM6VV
<KM6VV@a...>
> wrote:
> > Hi Wally,
> >
> > Sure, that's just the stuff I do! The driver(s) that I would
write
> > would be compiled into the 'C' code jog/controller program I'm
> working
> > on.
> >
> > Alan KM6VV