PN7150 stability testing fault

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PN7150 stability testing fault

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ethan_dang1
Contributor III

Platform: PN7150 & Qualcomm MSM8909 & Android 7 

Process:Cards are detected periodically every three seconds

Symptoms:After a period of time, the card cannot be detected, other card also not work, after switch NFC ON ->OFF->ON card can be detected again.No error messages are found in the log 

Has anyone come across it? Can you share what could be the cause? Thank you!

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KaiLi
NXP TechSupport
NXP TechSupport

Hello @ethan_dang1 

Thanks for sharing and contacting us and interested in the NXP products.
So, I'd like to know what if you extended the POLLING period, the same phenomenon?

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Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.

Best regards,
Kelly
Technical Support
NXP Semiconductor

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KaiLi
NXP TechSupport
NXP TechSupport

Hello @ethan_dang1 

If you extend polling without any more crashes, then there is probably a problem with the matching timeout between the test application what you're used and PN7150. It is difficult to debug and match this timeout because the application is not NXP and its specific implementation is not clear. The only solution is to try to adjust the polling interval.

To update this case, you may reply by email.
To provide confidential information or attachments, you may add that online.

Please login to our NXP technical support portal:
https://support.nxp.com/s/case/5002p00002s4fRlAAI

The portal allows access to the full details of the case, including the previous communication.

Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.

Best regards,
Kelly
Technical Support
NXP Semiconductor

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ethan_dang1
Contributor III
 
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