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USB Low-Full-High Speed Peripherals

Anonymous
Not applicable

I have designed a PCB for Cy7C65211 IC. In datasheet the default VID & PID is given and after connecting it to the PC the system throws error as "Device Descriptor Request failed" in the device manager. I tried to change the *.inf file, but need further assistance.

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Sananya_14
Moderator
Moderator

Hello,

- The problem could be possibly due to improper layout, do recheck that.

- Could you send a screenshot of the error message in the Device manager?

- Why are you trying to modify the *.inf file? If you are using the default VID,PID of Cypress, you need not modify it.

Regards,

Sananya

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2 Replies
Sananya_14
Moderator
Moderator

Hello,

- The problem could be possibly due to improper layout, do recheck that.

- Could you send a screenshot of the error message in the Device manager?

- Why are you trying to modify the *.inf file? If you are using the default VID,PID of Cypress, you need not modify it.

Regards,

Sananya

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Anonymous
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thank you sanm,that was very much helpful..

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