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DRV8889-Q1: Step/angle initialize conditions

Youhei Miyaoka
Expert 4155 points
Part Number: DRV8889-Q1

Hi team,

My customer have question about step/angle initialize conditions.

In my understanding, step/angle initialize when after power-up, after exiting logic undervoltage lockout, or after exiting sleep mode.

If these are correct, how about other situation such as  after exiting disable mode?

Will the operation continue of the previous Operating Mode conditions? 

Regards,

Youhei MIYAOKA

  • 0
    TI__Mastermind 45465 points

    Hi Miyaoka-san,

    "In my understanding, step/angle initialize when after power-up, after exiting logic undervoltage lockout, or after exiting sleep mode.". Yes this is correct.

    "If these are correct, how about other situation such as  after exiting disable mode? Will the operation continue of the previous Operating Mode conditions?". This is correct. Which also means when DRVOFF is disabled and STEP input is still present it will advance the indexer. If no STEP input is provided when disabled and STEP input is provided when enabled it will continue from where the indexer stopped previously. 

    Regards, Murugavel