... .8º),1/2,1/4,1/8,1/16,1/32,1/644.Protect form : Overheated protect, lock automatic half current ... +5V (Rising edge effective , rising edge duration >10μS)6,CW +,CW-:Stepping motor direction input, voltage level touched off,high towards ... .82.12.42.73 Digital stepping motor driver using new 32-bit DSP with high performance, low power consumption, high torque ...