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Guru 13485 points

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  1. Can I drive the LEN and the IN inputs from microcontroller?
  2. Are the any restriction in driving the inputs?
  3.  Is there any illegal state with the inputs?
  4. INJECT and L_EN   are enable & PWM inputs.

    U6 & 7 are level shifters.

    U2 seems to be burnt depends on the PWM input while enable is active.


    The question is if u think that it is safe to drive enable & pwm from microcontroller.