The EVB-USB3300-XLX is a Daughter Card designed to plug into a user's Xilinx ML401 development system using a header connector. The card attaches to a USB link layer to create a USB Host, Device, or On-the-Go (OTG) system. The digital interface meets the UTMI+ Low Pin Interface (ULPI) specification. The ULPI specification can be downloaded from the SMSC website at
http://www.smsc.com/main/catalog/usb3300.html.The EVB-USB3300-XLX includes the USB3300 and all associated external components.