Microchip Technology

ATMEGA16U4-MU  

Microcontrollers

ATMEGA16U4-MU Description

The ATMEGA16U4-MU is a high-performance 8-bit microcontroller from Microchip Technology, designed to meet the demands of modern embedded systems. This microcontroller is part of the AVR® ATmega series and offers a robust set of features, making it suitable for a wide range of applications. The ATMEGA16U4-MU features a core AVR processor, operating at a speed of 16MHz, ensuring efficient and fast processing capabilities. It is equipped with 16KB of FLASH program memory (8K x 16), 1.25K x 8 of RAM, and 512 x 8 EEPROM, providing ample storage for both program instructions and data retention.

The microcontroller supports a wide voltage range of 2.7V to 5.5V, making it versatile for various power supply configurations. It includes an internal oscillator, eliminating the need for external clock components and reducing overall system complexity. The ATMEGA16U4-MU also features 26 I/O pins, offering extensive connectivity options. It supports multiple communication protocols, including I2C, SPI, UART/USART, and USB, making it highly adaptable for interfacing with other devices and peripherals.

The ATMEGA16U4-MU is housed in a 44-pin VQFN package, ideal for surface-mount applications. It is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. The microcontroller also includes 12x10-bit A/D converters, providing precise analog-to-digital conversion capabilities. With a moisture sensitivity level (MSL) of 3 (168 hours), it is suitable for use in various environmental conditions.

ATMEGA16U4-MU Features

• Core Processor: AVR
• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• RAM Size: 1.25K x 8
• EEPROM Size: 512 x 8
• Speed: 16MHz
• Voltage - Supply (Vcc/Vdd): 2.7V ~ 5.5V
• Number of I/O: 26
• Oscillator Type: Internal
• Connectivity: I2C, SPI, UART/USART, USB
• Data Converters: A/D 12x10b
• Package: 44VQFN
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant

ATMEGA16U4-MU Applications

The ATMEGA16U4-MU is ideal for a variety of applications due to its versatile feature set and robust performance. Some specific use cases include:

• Consumer Electronics: Ideal for devices requiring USB connectivity and multiple communication protocols, such as USB hubs, keyboards, and mice.
• Industrial Control Systems: Suitable for applications needing precise analog-to-digital conversion and extensive I/O capabilities, such as sensors and actuators.
• Automotive Electronics: Can be used in automotive applications where a wide voltage range and robust performance are required.
• Medical Devices: Applicable in medical equipment where precise data acquisition and reliable communication are critical.
• Smart Home Technology: Perfect for smart home devices that require low power consumption and multiple communication interfaces.

Conclusion of ATMEGA16U4-MU

The ATMEGA16U4-MU is a powerful and versatile microcontroller that offers a comprehensive set of features and performance benefits. Its wide voltage range, extensive I/O capabilities, and support for multiple communication protocols make it a highly adaptable solution for various embedded applications. The inclusion of 12x10-bit A/D converters and internal oscillator further enhances its functionality, reducing the need for external components. With its REACH unaffected and RoHS3 compliant status, the ATMEGA16U4-MU ensures environmental sustainability and regulatory compliance. Whether used in consumer electronics, industrial control systems, or smart home technology, the ATMEGA16U4-MU provides reliable performance and robust capabilities, making it an excellent choice for modern embedded systems.

ATMEGA16U4-MU Documents

Download datasheets and manufacturer documentation for ATMEGA16U4-MU

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

ATmega16U4,32U4 Datasheet       USB DFU Bootloader Datasheet       ATmega16U4,32U4 Summary      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

ATmega16U4 Development Tool Selector      

HTML Datasheet :

USB DFU Bootloader Datasheet      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Copper Bonding Wire 19/Dec/2014      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH