FSL USB Stack and k64

[ERussell]

I have been using the FSL USB Stack Version 4.03 (Device) on a k60 processor for a couple of years and am now trying to get the same code running on a k64. So far I am unable to enumerate.  I do get an error interrupt - DMAERR but am not sure how to investigate this further. Has anyone used this version of the USB Stack on a k64? Any ideas about how to figure out the problem?

Thanks,

Elizabeth

[Hui_Ma]

Hi Elizabeth,

The USB Stack Version 4.03 is an older USB stack.

So far, customer could consider to use USB Stack V5.0 or Kinetis SDK software, which provides the USB application for K64 product.

Wish it helps.

Have a great day,
Ma Hui

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[derek_lau · Accepted solution]

Disable the MPU

MPU_CESR = 0;

[ERussell]

Thank you so much! This cleared the problem and I am able to enumerate.