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Device Manager And Mfgtools Can't Detected Board

Question asked by haitao chen on Dec 1, 2017
Latest reply on Dec 4, 2017 by Yuri Muhin


I reference Freescale's Sbare development board, produced a piece of their own board.The power management chip (MMPF0100F1EP), CPU (MCIMX6Q6AVT10AC), DDR3, NOR flash, SD, USB otg circuit are exactly the same, now the board through the otg line connected to the pc usb port.mfgtools can not detect the board, even the host's device manager can not detect the usb device (not recognized), detect the power management chip output voltage is no problem, otg line is good, otg circuit and development board schematics The same is true, and now I do not know where the problem lies.

Thank you!!!