在正常驱动电机过程中,一段时间后,或者有时刚上电,电机不能正常驱动,测量得到INLx和INHx有正常pwm波形输入,但GHx和GLx都无波形,并且nFault脚为高电平无报错,spi数据中也未读到报错,但spi上发送清除错误指令后,功能都能恢复正常。请问这是什么原因?
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