The paper advanced and introduced the drive scheme and realizes the technique of chopping wave constant current and even division based on control of 80C196MC single chip microcomputer.

• 通过合理选择步进电机相绕组细分电流波形,提出并介绍了基于80C196MC单片机控制的斩波恒流均匀细分驱动方案及实现技术。