Microchip Technology

ATMEGA16U4-AUR  

Microcontrollers

Microchip Technology's ATMEGA16U4-AUR is a low-power, high-performance 8-bit microcontroller based on the AVR enhanced instruction set architecture. This microcontroller is designed for a wide range of applications, including USB human interface devices (HIDs), USB mass storage devices, and other USB applications.

Description:

The ATMEGA16U4-AUR features 16 KB of flash memory, 1 KB of SRAM, and 512 bytes of EEPROM. It has a maximum operating frequency of 12 MHz and operates with a supply voltage range of 1.8V to 5.5V. The microcontroller is available in a 44-pin QFN package.

Features:

1. USB 2.0 full-speed device with integrated USB interface and support for up to 31 endpoints.
2. On-chip 10-bit ADC with up to 8 channels.
3. 16 MHz internal oscillator with calibration and an external clock source of up to 20 MHz.
4. 44 general-purpose I/O lines with support for external interrupts, PWM, and input/output modes.
5. JTAG interface for programming and debugging.
6. On-chip debug support with JTAG and Serial Wire Debug (SWD).
7. Power-saving modes, including idle, power-down, and standby modes.
8. Support for external memory with up to 512 bytes of EEPROM and 6 KB of SRAM.

Applications:

1. USB human interface devices (HIDs) such as keyboards, mice, and game controllers.
2. USB mass storage devices, including flash drives and external hard drives.
3. USB-to-serial adapters and converters.
4. MIDI interfaces and audio applications.
5. Robotics and automation control systems.
6. Medical and healthcare devices, including monitoring and diagnostic equipment.
7. Industrial control and measurement systems.
8. Home automation and IoT devices.

The ATMEGA16U4-AUR is a versatile and powerful microcontroller suitable for a wide range of USB-based applications, making it a popular choice for developers and engineers in various industries.

ATMEGA16U4-AUR Documents

Download datasheets and manufacturer documentation for ATMEGA16U4-AUR

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

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

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATmega16U4 Development Tool Selector      

HTML Datasheet :

USB DFU Bootloader Datasheet      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Copper Bonding Wire 06/Jun/2014      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH