On 08/21/2011 12:27 PM, Bryce Johnson wrote: > So I got a max speed of 480ipm. 1909.9 steps per inch with the 10x > microstep. 152789Hz is 65448nS per step. I was pretty close to that with > my first base period. I've since brought the latency down to so I'll give > that a try to see if it helps. > > My calculation is 152789 Hz is 6.5 us (6500 ns), and is beyond the capabilities of software stepping. If you really need step rates exceeding 75 KHz, then you pretty much have to use hardware step generators.
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