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USB Low-Full-High Speed Peripherals

Anonymous
Not applicable

Hi,

   

My design uses FX2LP chip, with 3.3V power for the FX2LP supplied externally.

   

Everything works well except, the FiishDataXfer function crashes if I turn the power off to the device. If I pull the USB cable, it doesn't crash. Is there anyway I can determine the power failure event? There is no possible way to change the design at this stage. I appreciate if someone can direct me in the right direction.

   

I am using Visual C++ to do the application.

   

Thanks,

   

Tharaka.

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