AT90USB64x Datasheet | Atmel

.. Features - USB Protocol - Based on the USB DFU class - Autobaud (8/16 MHz crystal) - In-System Programming - Read/Write Flash and EEPROM on-chip memories - Read Device ID - Full chip Erase - Start application mand - In-Application Programming - Software Entry-points for on-chip flash drivers 1. Description The 8bits mega AVR with USB interface devices are factory configured with a USB bootloader located in the on-chip flash boot section of the controller. This USB bootloader allows to perform In-System Programming from an USB host controller without removing the part from the system or without a pre-programmed application, and without any external programming...