Description: Stepper motor control is simple, accurate positioning and so on. With the development of science and technology in many fields will be a wide range of applications. In view of the traditional pulse system implanted bad, microcomputer control system proposed in this paper in lieu of pulse generator and pulse distributor, the software methods used to control pulse, through the software programming can be arbitrary set of stepping motor rotation speed, rotation angle, rotation and control the number of stepper motor operation. To simplify the control circuitry, lower production costs, improve system operating efficiency and flexibility. On this basis a two-three beat stepper motor control circuit of the hardware interface, the program flow chart and assembler.
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