ATmega32U4-AU, Микроконтроллер 8-Бит, AVR, 16МГц, 32КБ Flash, с USB контроллером [TQFP-44]
The ATMEDA32U4-AU is factory configured with a USB boot loader located in the on chip flash boot section of the controller. This USB boot loader allows to perform in system programming from a USB host controller without removing the part from the system or without a pre-programmed application, and without any external programming interface.
• Auto baud (8/16 MHz crystal)
• Read/write flash and EEPROM on chip memories
• Read device ID
• Full chip erase
• Start application command
• Software entry points for on chip flash drivers