Thank you for posting on the Intel® communities.
Regarding your inquiries, the Intel Atom® x5-E3940 Processor is a processor targeted for the Embedded Segment. In this case, we recommend you refer to the Products Specifications website in the below link:
For other technical information that the Product Specifications website cannot answer, please refer to the Embedded Community to post your inquiries:
In case you are deploying hardware/software or integrating a custom system with Intel® processors, you may also refer to our Resource & Design Center to find the technical documentation, software, tools, and support you need to design and build with Intel® products. You may need to register and create an account.
Intel Customer Support Technician