Here you can download a device library for the PCB layout program Eagle from Cadsoft . It contains the device definition of the Atmel AVR microcontrollers AT90USB646, AT90USB647, AT90USB1286 and AT90USB1287 with USB interface.
The library is published under the terms of the LGPL. See http://www.gnu.org for more information about this license.
Download: at90usb.zip
