Manufacturer Part Number
ATMEGA32U4-AU
Manufacturer
Microchip Technology
Introduction
The ATMEGA32U4-AU is a highly capable 8-bit microcontroller from Microchip's AVR ATmega series, designed for embedded applications.
Product Features and Performance
AVR Core running at 16MHz
32KB of FLASH Program Memory
5KB of SRAM
1KB of EEPROM
12-channel 10-bit Analog-to-Digital Converter
26 General Purpose I/O Lines
USB 2.0 Full-speed/Low Speed Device Module
Peripheral features like PWM, WDT, and Brown-out Detect/Reset
Product Advantages
Compact 44-TQFP Package for space-constrained applications
USB functionality without the need for external components
Broad operating voltage range suited for battery-operated devices
Key Technical Parameters
16MHz maximum speed
26 I/O lines
32KB FLASH, 2.5KB SRAM, 1KB EEPROM
7V to 5.5V supply voltage
Internal Oscillator
-40°C to 85°C operating temperature range
Quality and Safety Features
Brown-out Detection for system stability
Watchdog Timer for system recovery
Power-on Reset (POR) circuitry
Compatibility
I2C, SPI, UART/USART for serial communication
Compatible with USB 2.0 interface
Application Areas
Consumer Electronics
Industrial Control Systems
Automated Office Equipment
Embedded Systems
Product Lifecycle
Product status is active with no reported discontinuation, ensuring long-term availability.
Several Key Reasons to Choose This Product
Versatility in embedded systems design with comprehensive I/O options
Integrated USB functionality saves on external components and cost
Ideal for power-sensitive applications with broad Vcc range
Strong community and support thanks to popular Microchip AVR series
Robust design with quality and safety features for reliable performance
Ease of programming with the well-established Atmel Studio and AVR GCC toolchain
Availability of extensive libraries and code examples for rapid development
Good choice for both prototyping and production due to package options and active product status