The AT90USB646-16MU is a high-performance, low-power 8-bit AVR RISC-based microcontroller featuring a full-speed USB device module. Manufactured by Atmel, it combines 64KB ISP Flash memory with a rich set of peripherals. This microcontroller is ideal for applications requiring USB connectivity, data processing, and control.

Applications:

• USB Peripherals: Mice, keyboards, joysticks, and other human interface devices (HIDs).
• Data Acquisition Systems: USB data loggers, sensor interfaces, and measurement devices.
• Industrial Control: USB-based control systems, motor controllers, and process automation equipment.
• Embedded USB Devices: Custom USB devices, dongles, and embedded controllers with USB connectivity.
• Gaming Accessories: Game controllers, racing wheels, and other gaming peripherals.

Features:

• High-Performance AVR RISC Architecture: Executes powerful instructions in a single clock cycle.
• 64KB of In-System Programmable Flash Memory: Allows for easy code updates and customization.
• 4KB of Internal SRAM: Provides ample memory for data storage and processing.
• Full-Speed USB Device Module: Supports USB 2.0 full-speed communication.
• Integrated USB Transceiver: Simplifies USB hardware design.
• Multiple PWM Channels: Suitable for motor control and dimming applications.
• ADC and Analog Comparator: Enables analog signal measurement and comparison.
• JTAG Interface: For on-chip debugging and programming.

Benefits:

• High Performance: Delivers fast and efficient processing with the AVR RISC architecture.
• Flexible USB Connectivity: Simplifies USB integration with the integrated USB device module and transceiver.
• Ample Memory: Provides sufficient Flash and SRAM for complex applications.
• Rich Peripheral Set: Offers a wide range of peripherals for versatile application development.
• Easy Programming and Debugging: Supports in-system programming and JTAG debugging.
• Low Power Consumption: Enables energy-efficient operation in battery-powered devices.

Additional Details:

The AT90USB646-16MU operates at a maximum frequency of 16 MHz and offers a wide range of communication interfaces, including SPI, UART, and I2C. It features multiple timers, allowing for precise timing control. The microcontroller is available in a 64-pin TQFP package. The power consumption is optimized for low-power applications. The device includes brown-out detection and power-on reset features for reliable operation.