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drv8811 DIR pin

Adesh Jagtap
Intellectual 320 points
Other Parts Discussed in Thread: DRV8811

How to use DIR pin of DRV8811 it is given in datasheet that it can be used for direction of stepper motor....but I didn't get how it works??....please explain it.

  • 0
    TI__Guru** 114905 points
    Hi Adesh,

    The DIR pin selects the percentage of current based on the STEP and microstep pins. Table 2 shows the percentage of current at each step. When the DIR pin is high the indexer steps increase; when DIR is low the indexer steps decrease.