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CC3220MOD: Is there any risk to frequently reset the device?

Shuyang Zhong
Expert 4265 points
Part Number: CC3220MOD

A customer found sometimes CC3220MOD hangs and they want to reset the chip as a workaround(at least before they found the root cause...). The customer would like to know if there is any risk if CC3220MOD reset every 1 second? The device is on a car so it will reset every 1s when the car is started and not in a Wi-Fi connection. Would you please kindly suggest if any risk exists in such a use case? Thanks.

Best regards,

Shuyang

  • 0
    TI__Mastermind 23880 points

    Hi Shuyang,

    The main risk would be an increase in writes to flash. If the application does not write to flash on every boot, then there should not be a problem. The NWP does sporadically write to flash, so this would deteriorate the flash life cycle. Resets this often is not encouraged. 

  • 0 in reply to Sabeeh Khan1
    Guru 77475 points

    Hi,

    I think one important thing should be mentioned. At such usage it need to be used Triggered or One Time RF Calibration. With Normal calibration will be calibration procedure done after every reset, which will cause sFlash write by NWP itself.

    Jan