• State TI Thinks Resolved
  • Locked Locked
  • Replies 3 replies
  • Answers 1 answer
  • Subscribers 63 subscribers
  • Views 79 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

BQ76942: Partial Reset Behavior

Jacob Wyrick
Expert 8365 points
Part Number: BQ76942

Tool/software:

Hi team - I have a question about the partial reset behavior using the RST_SHUT pin.
Based on the datasheet, it appears that asserting this pin for less than 1 second triggers a partial reset of the device.

 

- Could you please confirm if there is a deterministic minimum assertion duration required for the chip to reliably detect and execute this reset?


- Additionally, I would like to understand how the I²C engine of the device is affected during or after this partial reset. I was unable to find this information in the technical reference manual—apologies if it was overlooked.

Thanks,

Jacob

  • 0
    TI__Genius 17845 points

    Hello Jacob,

    Jacob Wyrick said:
    Could you please confirm if there is a deterministic minimum assertion duration required for the chip to reliably detect and execute this reset?

    I don't believe we have that information on hand. I can double-check this with the team and let you know if that changes.

    Jacob Wyrick said:
    Additionally, I would like to understand how the I²C engine of the device is affected during or after this partial reset. I was unable to find this information in the technical reference manual—apologies if it was overlooked.

    This BQ769x2 RESET FAQ may help further explain the partial reset and reset function of our device. 

    Best Regards,
    Alexis

  • 0 in reply to Alexis_H
    TI__Expert 8365 points

    Hi Alexis - Thanks for the comments. Did you learn any more information for the first comment you were going to double-check on?

  • 0 in reply to Jacob Wyrick
    TI__Genius 17845 points

    Hello Jacob,

    Unfortunately not. Has the customer seen a partial reset not reliably working when the RST_SHUT pin is held for a short enough time? 

    Best Regards,
    Alexis