Re: step-direction -> L6219

Lester,
Thanks. Using an A3967 looks like the path of least resistance.

regards-
Elliot
--- In CAD_CAM_EDM_DRO@yahoogroups.com, Lester Caine <lsces@...>
wrote:

>
> Elliot Burke wrote:
> > CAD_CAM_EDM_DRO. An electronic device with a L6219 stepper driver

in it has

> > come into my possession. I'd like to be able to leave everything

where it

> > is, cut a few traces to the L6219, and drive it with Mach3.
> > Has anyone used this chip that could give me some advise about

how this

> > could be done?
> > It looks like it might take some glue logic, as the L6219 has a

total of 6

> > inputs.
> >
> > And if anyone else has tried to do this and given up in disgust,

I'd like to

> > know why, so I don't do the same.
>
> Not the easiest of starting points, but http://telin.ugent.be/~ps/

stepper/ has

> done it from a computer :)
>
> To be honest, the circuitry to make this work step and direction

will probably

> cost more than just picking up an A3967 - I'm seeing them at

1.92GBP and

> they give you selection of full to 1/8 step mode.
> http://www.allegromicro.com/en/Products/Part_Numbers/3967/3967.pdf
>
> --
> Lester Caine - G8HFL
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