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我有DRV8843驱动一个直流电机，使用其中的一个H桥，电路原理图如图所示
我将nSLEEP接高电平，AIN1接高电平，AIN2接电平，AI1和AI0接低电平，DECAY悬空，此时用万用表测量V3P3OUT为3.3V，但是电机不工作，测量电机电机两端电压AOUT1和AOUT2电压 为0，这是为什么呢
