This message was posted on behalf of Intel Corporation
Thank you for contacting Intel Support,
I understand that you are having problems finding the IBIS for the Intel® Atom C2000-series, I apologize for any inconveniences this may be causing.
In order to get assistance and information of our Atom processors the best is to contact our embedded communities. They are in the best position to provide you will all of the information you may need.
I hope this information helpful.
Thank You David