Re: Fwd: pulse train




Hi Scot

Running a few tests with the latest CVS sources on the Athlon 1800, achieved 
around 60KHz - 12500 steps per inch at 300 ipm. With a little bit more 
tuning, I'd imagine this could go higher. At these frequencies, interrupt 
latencies have a significant effect on the stability of the output - The read 
/write timings of the parallel port may also limit the theoretical maximum 
frequency.

Ultimately, it will be the stepper motors and drive electronics that will 
determine the maximum usable frequency. 

Regards, Paul.



On Monday 16 Dec 2002 12:11 am, Paul wrote:
> An Athlon 1800
> ran at ~7uSec (71500Hz pulse rate), but this left precious little time to
> do anything else.



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