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STM32F107VCT6 USB not recognized

Question asked by kasmuri.nor_ain on Jul 21, 2016
Latest reply on Jul 21, 2016 by Clive One
Hi All,

Currently i'm building the cicuit to test the connectivity of the STM32F107VCT6, however currently my problem is, the PC will display 'USB not recognized' whenever plugged in. Using the MikroProg, the chip can be programmed and reprogrammed with no issue. The only problem is the USB not recognized. As seen in the photo attached, I've connected the Vbus to PA9, the D+ to PA12 and the D- to the PA11, but for some reason, it cannot be recognized. 

Any help will be much appreciated.

Thank you

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