The AT90USB1286-16MU is a high-performance, low-power 8-bit AVR RISC-based microcontroller from Atmel, combining 128KB of in-system self-programmable Flash memory, 8KB SRAM, 4KB EEPROM, USB 2.0 full-speed/low-speed device controller, and a wide range of peripherals. The 'MU' likely indicates the package type (MLF/QFN).

Applications:

• USB Devices: Used in a wide range of USB devices such as USB dongles, USB keyboards, and USB mice.
• Embedded Systems: Employed in embedded systems requiring USB connectivity and high processing power.
• Data Acquisition Systems: Suitable for data acquisition systems that require USB data transfer.
• Industrial Control: Used in industrial control systems that require USB communication with a host computer.
• Gaming Peripherals: Utilized in gaming peripherals such as joysticks and gamepads.

Features:

• AVR Core: Uses the high-performance AVR RISC instruction set.
• 128KB Flash Memory: Provides ample flash memory for storing large application programs.
• 8KB SRAM: Includes on-chip SRAM for data storage and processing.
• 4KB EEPROM: Features EEPROM for non-volatile data storage.
• USB 2.0 Controller: Integrated USB 2.0 full-speed/low-speed device controller.
• JTAG Interface: Supports JTAG programming and debugging.
• Multiple Timers: Offers multiple timers for various timing applications.
• ADC and DAC: Includes analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
• SPI and UART Interfaces: Supports SPI and UART communication protocols.

Benefits:

• High Performance: Provides high performance with its AVR core and large memory capacity.
• USB Connectivity: Enables easy USB connectivity for data transfer and communication.
• Flexible Peripheral Set: Offers a flexible set of peripherals for various application needs.
• Easy to Program: Simple to program using standard AVR development tools.

The AT90USB1286-16MU's specifications include an operating voltage range of 2.7V to 5.5V and a maximum clock frequency of 16 MHz. It includes a real-time counter (RTC) with separate oscillator, and six PWM channels. The device supports various power-saving modes to minimize power consumption. It's available in a MLF (Micro Leadframe Package) or QFN (Quad Flat No-leads) package. Atmel's AT90USB family of microcontrollers are ideally suited for applications requiring USB connectivity, high performance, and low power consumption.