The AT90USB647-16MU is a high-performance, low-power 8-bit AVR RISC-based microcontroller featuring 64KB of in-system self-programmable Flash memory, 4KB SRAM, USB 2.0 full-speed device module, and extensive I/O capabilities. It is manufactured by Microchip Technology (formerly Atmel) and is ideal for applications requiring USB connectivity and significant processing power. The microcontroller combines a rich feature set with low power consumption, making it suitable for various embedded systems.

Applications

• USB Peripherals: Used in USB keyboards, mice, game controllers, and other human interface devices (HIDs).
• Data Acquisition Systems: Employed in USB-based data loggers, sensor interfaces, and measurement devices.
• Industrial Control: Integrated into USB-connected industrial controllers, process monitoring equipment, and automation systems.
• Medical Devices: Utilized in USB-based medical diagnostic tools, patient monitoring equipment, and therapeutic devices.
• Embedded USB Hosts: Used as an embedded USB host controller for small devices.

Features

• 64KB Flash Memory: Provides ample space for program code and data storage, allowing for complex applications.
• 4KB SRAM: Offers on-chip data storage for variables, buffers, and temporary data.
• USB 2.0 Full-Speed Device Module: Enables high-speed communication with USB hosts, supporting various USB device classes.
• JTAG Interface: Facilitates on-chip debugging and programming, simplifying development and testing.
• ADC and PWM: Features Analog-to-Digital Converter and Pulse Width Modulation capabilities.
• SPI and UART: Includes Serial Peripheral Interface and Universal Asynchronous Receiver/Transmitter.
• Low-Power Operation: Supports various power-saving modes to minimize energy consumption in battery-powered applications.

Benefits

• High Performance: AVR RISC architecture delivers fast execution speeds for demanding applications.
• USB Connectivity: Integrated USB module simplifies USB device development and enables seamless integration with USB hosts.
• Large Memory Capacity: 64KB Flash and 4KB SRAM provide ample resources for complex embedded systems.
• Easy Debugging: JTAG interface allows for convenient on-chip debugging and programming.
• Low Power Consumption: Power-saving modes extend battery life in portable devices.

Additional Details

The AT90USB647-16MU operates at a maximum clock frequency of 16 MHz. It includes a built-in PLL (Phase-Locked Loop) for generating the USB clock. The device is available in a 64-pin QFN package. The "-16MU" suffix indicates the maximum clock frequency and the package type. Consult the datasheet for full electrical characteristics and operating conditions.