... /2,1/4,1/8,1/16,1/32,1/64,1/128,1/2561/5,1 ... automatic half current ,error connect protect5.The maximum pulse rate is 200HZ.6. Dimensions:147mm*97mm*30mm7. ... B-:Stepping motor other winding5,CP +,CP -:Stepping pulse input+5V (Rising edge effective rising edge duration ... 'aImgSrc': aBigImageSrc } ); } )(); Digital step motor drivers using new 32-bit DSP with high performance, high torque, and low noise