dear
My customer fihd that DRV8811 drive motor appear speed too fast,phenomenon just show below picture
note: 频率 means frequency
It appears sometimes ,about probability of 1/15
AOU1 AOUT2 BOUT1 BOUT2 wave shows as above picture 1 2 3 4 which means phase current wave
In addition, D1 is STEP waveform, USM0 USM1 connection control unit, register set as L.
No-load pull in frequency of stepping motor great than or equal to 12000pps and detail Schematic show as belSw
how to slow down motor speed? Thanks in advance~