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DRV8434A: DRV8434A 细分设置问题

Part Number: DRV8434A


1. M0,M1,有高阻态输入,高阻态把这个PIn悬空,是不是代表高阻态,如果是单片机GPIO来控制,要如何设置GPIO,开漏输出即可?

2.。我看到其他电机驱动IC有1/10,1/20细分,这个IC能设置这样的细分吗?