ATMEGA32U4-MU - Microchip Technology

Manufacturer Part Number

ATMEGA32U4-MU

Manufacturer

microchip-technology

Introduction

The ATMEGA32U4-MU is a high-performance, low-power AVR® 8-bit microcontroller that combines 32KB ISP flash memory with read-while-write capabilities, 1KB EEPROM, 2.5KB SRAM, 26 general purpose I/O lines, 32 general purpose working registers, a serial programmable USART, a byte-oriented 2-wire serial interface, a USB Controller, a Packet Assembly and Disassembly Controller, a flexible timer/counter with compare modes, PWM, a 12-channel 10-bit A/D converter, and five software selectable power saving modes.

Product Features and Performance

Core Processor: AVR operating at up to 16MHz

Connectivity: Includes I2C, SPI, UART/USART, USB

Peripherals include Brown-out Detect/Reset, POR, PWM, WDT

Program Memory Size: 32KB

RAM Size: 2.5KB

Voltage Supply Range: 2.7V to 5.5V

Integrated data converters: A/D 12x10b

Internal Oscillator

26 programmable I/O lines

Product Advantages

Integrated USB protocol for USB applications without needing USB-specific firmware

Extensive connectivity options enhance versatility

Low power consumption enhances battery life in portable applications

High integration reduces external components and PCB space

Key Technical Parameters

Speed: 16MHz

Program Memory: 32KB (FLASH)

EEPROM Size: 1K x 8

RAM Size: 2.5K x 8

I/O Pins: 26

Voltage Supply (Vcc/Vdd): 2.7V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in brown-out detection

Power-on Reset (POR) and Watchdog Timer (WDT) for system stability

Robust design ensuring high reliability and long service life under varying environmental conditions

Compatibility

Support for USB 2.0 full-speed and low-speed operations

Compatible with a wide range of operating voltages and external peripherals

Application Areas

USB peripheral/host controller for computer peripherals and personal electronics

Industrial control systems

Sensor monitoring and data acquisition systems

Robotics and automation systems

Product Lifecycle

Active product status with no current plan for discontinuation

Long-term availability ensures stable supply for ongoing and future projects

Several Key Reasons to Choose This Product

High level of integration facilitating streamlined design and development processes

Supports advanced connectivity features including USB for a wide range of applications

Efficient power management capabilities for extended operation in battery-powered devices

Robust safety features assure reliable operation under adverse conditions

Backed by Microchip Technology's reputation for quality and support