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what to do when i.mx6q USB OTG device is not detected in "serial download" mode?

Question asked by PATRICK DIETRICH on Sep 16, 2014
Latest reply on Oct 20, 2014 by Yuri Muhin

I have a new i.MX6Q design (based on Nitrogen6X), that I am doing the inital bring-up on.

 

Power rails check out, POR is good, clocks are good.

 

When I set the boot mode pins to enable the serial download mode, I can't see my USB device under windows (as HID) or linux (as Freescale Recovery Mode).

 

Any ideas on why the USB OTG port would not be showing up?

 

thanks!

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