一个S3C44B0X控制步进电机的例子，其中涉及怎样操作相关寄存器和怎样赋值是电机转动，是进行ARM控制步进电机开发的很好的基本性的参考-An example S3C44B0X stepper motor control, which involves how to operate and how to assign the relevant registers motor rotation is performed ARM controlled stepper motor developed