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L6470: Output resolution, no different between 1/128 and 1/32?

Question asked by Mike on Dec 22, 2011
Latest reply on Jan 25, 2012 by Enrico Poli

We have measured the output signals of the bridges in 1/128 and 1/32 step mode and we can’t see a different voltage resolution between these 2 modes (see attachment).

We have used the “GoTo”-command for the positioning, and mostly we can see a repositioning of the motor after the 4th step only in the 1/128-step mode (what  confirms with the measured values).
Is there any limitation of the output resolution?

Best Regards