Hi John,
If using the DVDD to power the mcu, the DRV8701 should remain powered at all times. This can be done by connecting nSLEEP to VM through a resistor and adding a zener to avoid violation of the absolute maximum of 5.75V.
If using the DVDD to power the mcu, the DRV8701 should remain powered at all times. This can be done by connecting nSLEEP to VM through a resistor and adding a zener to avoid violation of the absolute maximum of 5.75V.