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DRV8889-Q1: 该款步进电机驱动芯片有恒压驱动模式吗?以及有以下功能吗?

Part Number: DRV8889-Q1

1.以整步或半步驱动步进电机时,有恒压输出模式吗?

2.以细分驱动时,恒流输出的大小能以自由调节吗?还是只能以固定的几个幅值。

3.驱动步进电机时,反电动势可以读取吗?