介绍由美国TI公司的数字信号处理器TMS320LF2407A和SGS公司的步进电机驱动芯片PBL3717A构成的两相混合式步进电机的控制系统。-introduced by the United States TI's digital signal processor and SGS TMS320LF2407A the stepper motor drive chip Built constitute the two-phase hybrid stepping motor control