[摘 要] 步进电机具有快速启停、精确步进以及能直接接收数字量等特点，所以在定位场合中得到了广

泛的应用。因此采用单片机来控制步进电机，借助于软件实现复杂的控制。其系统成本不高，同时还可以

很灵活地改变程序来改变控制方案。-[Abstract] stepper motor with a rapid start and stop, precision stepper and direct features such as digital receivers, so occasions in positioning has been widely used. Therefore the use of single-chip microcomputer to control the stepper motor, through the use of complex control software. The system cost is not high, but also can be very flexible to change the procedures to change the control program.