1. 了解步进电机的工作原理。 2. 掌握用FPGA产生驱动步进电机的时序。 3. 掌握用FPGA来控制步进电机转动的整个过程。 -1 understand stepper motor works. 2 master drive a stepper motor using FPGA generates the timing. 3 master use FPGA to control the stepper motor rotates the entire process.