Hi Karthik,
For a device CDC application, you need not prepare the driver by yourself, windows already contains the USB CDC driver, all you have to do is to prepare the inf file needed during driver installation. we have provided USB stack in the KSDK 2.x but so far TWR-K60N512 is not supported yet, but TWR-K60D100M instead. so if you need a USB CDC demo for TWR-K60N512, you might have to use the legacy USB stack ver 4.1.1 which can be downloaded from USB Stack v4.1.1 NXP bare metal (no OS) USB Stack , and find the demo in the folder of "C:\Freescale\Freescale USB Stack v4.1.1\Source\Device\app\cdc\keil_uv\kinetis_k60", which is based on Keil IDE, and the inf file can also be found in the folder of "C:\Freescale\Freescale USB Stack v4.1.1\Source\Device\app\cdc\inf".
Hope that helps,
Have a great day,
Kan
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