I have a TWR-K20D50M. I can get the MQX example to run for a USB Host. I cannot get the USB Device examples to run or enstantiate with my PC..

[GenkiKai]

This is an out-of-the-box situation where I am evaluation this Microcontroller for use in a USB Device.  The USB Host code works just fine (I'm hosting a mouse right now).  I cannot get any of the USB Device examples to run at all.  I have tried the examples from "Freescale USB Stack v4.0.3" with no success as well.  Anu ideas?

[jeremyzhou]

Hi Alan,

Please check the hardware configuration whether suits for the relevant USB demos or not.

Have a great day,
Ping

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[mjbcswitzerland]

Hi

You can get TWR-K20D50M USB device (including accurate simulation) support from http://www.utasker.com/kinetis/TWR-K20D50M.html (even if only to check that your board works correctly).

Regards

Mark