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AT90USB646-AUR

The AT90USB646-AUR is a microcontroller unit (MCU) developed by Microchip Technology. It is based on the ATmega16U4 MCU, which is a low-power, high-performance 8-bit microcontroller with a USB interface.

Description:

The AT90USB646-AUR is a 44-pin QFN package that contains an ATmega16U4 MCU. It features 64 KB of flash memory, 4 KB of SRAM, and 2 KB of EEPROM. The MCU operates at a frequency of up to 16 MHz and has a wide operating voltage range of 1.8V to 5.5V.

Features:

• 8-bit AVR microcontroller with USB interface
• 64 KB of flash memory
• 4 KB of SRAM
• 2 KB of EEPROM
• 16 MHz maximum operating frequency
• Wide operating voltage range (1.8V to 5.5V)
• USB interface with integrated USB data buffer
• 44 general-purpose I/O lines
• 6-channel 10-bit analog-to-digital converter (ADC)
• 16 MHz internal oscillator with calibration
• On-chip debug system with JTAG interface
• Sleep mode for low-power operation

Applications:

The AT90USB646-AUR is suitable for a wide range of applications that require a USB interface and low-power operation. Some examples of its applications include:

• Human Interface Devices (HID) such as keyboards, mice, and game controllers
• USB-to-Serial adapters
• Glucose meters and other medical devices
• Robotics and automation systems
• Industrial control systems
• Home automation and IoT devices
• Data acquisition and control systems

Overall, the AT90USB646-AUR is a versatile and powerful MCU that can be used in a variety of applications that require a USB interface and low-power operation. Its wide operating voltage range and on-chip debug system make it easy to use and integrate into a variety of systems.