Microchip Technology

ATMEGA32U4-MU  

Microcontrollers

The ATMEGA32U4-MU is a microcontroller unit (MCU) manufactured by Microchip Technology. It is a part of the AVR enhanced low-power series and is based on the 8-bit AVR microcontroller architecture.

Description:

The ATMEGA32U4-MU is a high-performance, low-power MCU that features 32 KB of flash memory, 2.5 KB of SRAM, and 1 KB of EEPROM. It operates at a frequency of up to 16 MHz and has a wide operating voltage range of 1.8V to 5.5V. The MCU is available in a 44-pin QFN package.

Features:

1. 8-bit AVR microcontroller architecture
2. 32 KB of flash memory
3. 2.5 KB of SRAM
4. 1 KB of EEPROM
5. 16 MHz operating frequency
6. Wide operating voltage range (1.8V to 5.5V)
7. USB 2.0 interface with integrated USB data FIFO
8. 16 MHz crystal oscillator with calibration
9. JTAG and debugWIRE interfaces for debugging and programming
10. On-chip event system for easy integration with external peripherals
11. Low-power modes for extended battery life in portable applications

Applications:

The ATMEGA32U4-MU is suitable for a wide range of applications, including:

1. Human Interface Devices (HID) such as keyboards, mice, and game controllers
2. Generic USB devices for data storage, communication, and audio applications
3. USB-to-serial converters and USB-to-I2C/SPI/UART bridges
4. Battery-powered devices with low-power requirements
5. Industrial control and monitoring systems
6. Medical devices and equipment
7. Smart home and IoT applications
8. Robotics and automation systems
9. Portable audio and video devices
10. Wearable electronics and fitness trackers

The ATMEGA32U4-MU's combination of high performance, low power consumption, and integrated USB functionality make it an ideal choice for a variety of embedded applications requiring USB connectivity and advanced control capabilities.

ATMEGA32U4-MU Documents

Download datasheets and manufacturer documentation for ATMEGA32U4-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       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATmega32U4 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