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AT90USBKey
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The AT90USBKey is a low-cost demonstration board based on the AT90USB1287 microcontroller. It allows the quick evaluation of AVR microcontrollers and the AT90USB family. The key simply connects to the USB port of a personal computer to retrieve on-board documentation and run AVR programs. Designers can either run demonstration programs or their own application. It also allows hardware developments by giving access to the JTAG port and all the IOs of the microcontroller. An external power supply can be used for USB host or stand-alone operation.
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AT90USBKey Hardware User Guide (User Guide, 22 pages, revision A, updated 4/06)
This document describes the AT90USBKey dedicated to the AT90USB AVR microcontroller.
 
AVR270: USB Mouse Demonstration on megaAVR with USB (Application Note, 11 pages, revision C, updated 7/08)
This application note describes a simple mouse project. It allows users to quickly test USB hardware using megaAVR with USB without any driver installation.
 
AVR271: USB Keyboard Demonstration on megaAVR with USB (Application Note, 12 pages, revision B, updated 7/08)
This application note describes how to start and implement a USB keyboard application using the STK525 starter kit and FLIP in-system programming software for megaAVR with USB.
 
AVR273: USB Mass Storage Implementation on megaAVR with USB (Application Note, 23 pages, revision A, updated 3/06)
This application note describes how to start and implement a USB application based on the Mass Storage (Bulk only) class to transfer data between a PC and user equipment on megaAVR with USB.
 
AVR280: USB Host CDC Demonstration on megaAVR with USB (Application Note, 14 pages, revision A, updated 9/07)
This application note describes how to start and implement a Host CDC application using the STK525 or USBKEY starter kit, and finally introduces a simple example of dual USB-UART bridge between two PCs.
 
AVR287: USB Host HID and Mass Storage Demonstration (Application Note, 11 pages, revision A, updated 9/09)
This application note describes how to start and implement a USB host application based on the USB HID class (USB mouse) and Mass Storage class and introduces a simple example of an megaAVR with USB managing both USB classes and a file system.
 
AVR293: USB Composite Device on megaAVR with USB (Application Note, 9 pages, revision A, updated 8/08)
This document describes how to start and implement a composite device application on megaAVR with USB.
 
AVR328: USB Generic HID Implementation on megaAVR devices (Application Note, 13 pages, revision C, updated 7/08)
The aim of this document is to describe how to start and implement a USB application, based on the HID class, to transfer data between a PC and user equipment, using USB megaAVR devices.
 
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AT90USB1286   AT90USB1287   AT90USB162   AT90USB646   AT90USB647   AT90USB82   ATmega16U2   ATmega32U2   ATmega8U2