... current:2~6A3. Mircostepping:1(1.8º),1/2,1/4,1/8,1/16,1/32,1/64,1/128 ... .GND:DC power cathode3.A+,A-:Stepping motor one winding 4.B+,B-:Stepping motor other winding5.CP +,CP -:Stepping pulse ... +5V (Rising edge effective , rising edge duration >10μS)6.CW +,CW-:Stepping motor direction input, voltage level touched off,high towards ...