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MPC574x SDK 0.9.0 usb_cdc_lwip demo usb did not work on devkit

Question asked by steven zhang on Jun 24, 2018
Latest reply on Jun 25, 2018 by Martin Kovar

Hello NXP,

 I imported the usb_cdc_lwip_mpc5748g demo from SDK v0.9.0, and downloded the code to devkit hardware, but the program can not run. When suspended the program, I found the program stoped in usb stack initialize routine, the detials show as below pic. It seems cannot reset usb successfully.

 

I'm fresh on USB. I don't know what's wrong with it. would you give me some help?  Thanks

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