A3972 type serial controller produced by Allegro is microstepping motor driver dedicated circuit. A A3972 with a simple CPU to achieve the 32 phase stepper motor micro stepping driving. This paper introduces the characteristics, pin functions and working principles of the circuit, and gives a typical application circuit of A3972, which has been successfully applied to a stepper motor servo system

Filename	Size	Update
新颖的串行控制步进电机驱动器.doc	410112	2008-01-13

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