基于FPGA的新型步进电机驱动系统

The New Control in Stepping Motor Driver System Based On FPGA

美国Allegro公司推出的A3972型串口控制器是步进电机微步距驱动专用电路。一个A3972外加一个CPU即可实现步进电机的微步距驱动,本文用VHDL语言对FPGA进行编程仿真,产生A3972芯片所需的驱动脉冲时序,达到对步进电机的控制,简化了步进电机控制的实现。

A serial controlled motor driver A3972 has been developed by Allegro Microsystems specifically to drive stepper motors in a microstepping format. One A3972 and a simple CPU Can construct a stepper motor driver system,this paper chiefly introduces using VHDL for programming and simulating in FPGA,in this way,the pulse of driver and control of motor can be achieved. furthermore,it simplified the realization of the controlling of the stepping motor.