Professional IC Distribution & Technical Solutions

The ATMEGA16U2-MU is a microcontroller from Atmel (now part of Microchip Technology). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Atmel (Microchip)
• Core: 8-bit AVR
• Flash Memory: 16 KB
• SRAM: 512 Bytes
• EEPROM: 512 Bytes
• Clock Speed: Up to 16 MHz
• Operating Voltage: 2.7V - 5.5V
• Package: QFN-32 (5x5 mm)
• I/O Pins: 22
• ADC Channels: 10-bit, 8 channels
• Timers: 2 x 8-bit, 1 x 16-bit
• Communication Interfaces:
• USB 2.0 Full Speed (12 Mbps)
• USART
• SPI
• I²C (TWI)
• Debug Interface: JTAG

Descriptions:

The ATMEGA16U2-MU is a low-power, high-performance microcontroller with built-in USB functionality. It is commonly used in USB-to-serial converter applications, such as in Arduino boards (e.g., Arduino Uno R3). Its USB controller allows direct communication with a host PC without requiring additional components.

Features:

• USB 2.0 Full-Speed Device with embedded PHY
• Low Power Consumption (Active & Idle modes)
• On-Chip Bootloader for easy firmware updates
• Hardware-Based USB FIFO for efficient data transfer
• Programmable Watchdog Timer
• Power-On Reset (POR) & Brown-Out Detection (BOD)
• Industrial Temperature Range (-40°C to +85°C)

This microcontroller is ideal for embedded USB applications, including HID (Human Interface Device) and CDC (Communication Device Class) implementations.

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