Atmel (Microchip Technology) Tariff Inquiry

AT90USB82-16MU

The AT90USB82-16MU is a microcontroller unit (MCU) developed by Atmel, which is now a part of Microchip Technology. This MCU belongs to the AT90USB series, which is specifically designed for USB applications. Here's a brief description, features, and applications of the AT90USB82-16MU:

Description:

The AT90USB82-16MU is an 8-bit AVR microcontroller with a built-in USB interface. It is based on the AVR enhanced low-power architecture, which provides high computational capabilities while maintaining low power consumption. The MCU operates at a frequency of up to 12 MHz and comes in a 16 MHz crystal version.

Features:

1. 8-bit RISC Architecture: The AT90USB82-16MU features an 8-bit RISC architecture with 128 general-purpose working registers for fast execution of instructions.
2. Built-in USB Interface: It has a USB 2.0 full-speed interface, which allows for easy connectivity and communication with USB hosts.
3. Low Power Consumption: The MCU offers various power-saving features, such as power-down modes and a clock system that can be tuned for optimal power efficiency.
4. On-chip Memory: It comes with 8 KB of SRAM, 8 KB of EEPROM, and 80 KB of In-System Programmable Flash memory for program and data storage.
5. I/O Ports: The device has 21 general-purpose I/O lines, which can be used for various applications, including digital input/output, PWM, and communication interfaces.
6. ADC: An 8-channel, 10-bit Analog-to-Digital Converter (ADC) is included for analog signal processing.
7. Timers and PWM: The MCU features a 16-bit Timer/Counter with input capture and output compare modes, as well as programmable PWM channels.
8. Communication Interfaces: It includes a USART for serial communication and a 2-wire Serial Interface (TWI) for I2C communication.
9. Bootloader: The AT90USB82-16MU comes with a built-in bootloader, simplifying the firmware update process through the USB interface.
10. Security Features: The MCU provides a JTAG interface for debugging and security features like watchdog timer, boot lock, and fuse bits for protection against unauthorized code execution.

Applications:

The AT90USB82-16MU is suitable for a wide range of applications that require USB connectivity and low power consumption. Some common applications include:

1. Human Interface Devices (HID): USB keyboards, mice, and game controllers.
2. Mass Storage Devices: USB flash drives and external hard drives.
3. Communication Devices: USB-to-serial adapters and USB modems.
4. Sensors and Measurement Instruments: Data acquisition systems and environmental monitoring devices.
5. Medical Devices: Glucose meters and other portable medical equipment.
6. Industrial Control Systems: USB interfaces for industrial automation and control.
7. Consumer Electronics: USB-enabled (home appliances) and portable devices.

The AT90USB82-16MU's combination of USB connectivity, low power consumption, and versatile features make it a popular choice for embedded systems designers looking to develop compact, energy-efficient, and user-friendly USB devices.