ATMEGA32U4-AUR This is an 8-bit AVR microcontroller with 32KB Flash and USB 2.0 support. It operates at 16MHz from 2.7V to 5.5V and is housed in a 44-TQFP package.
Mfr Part #:

ATMEGA32U4-AUR

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
This is an 8-bit AVR microcontroller with 32KB Flash and USB 2.0 support. It operates at 16MHz from 2.7V to 5.5V and is housed in a 44-TQFP package.
✓ Total Stock: 4,800 pcs

ATMEGA32U4-AUR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
4,800 pcs
4800 pcs On Request 1 On Request On Request On Request On Request On Request

ATMEGA32U4-AUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
Tape & Reel
Voltage

ATMEGA32U4-AUR Description

Short technical summary and product information.

The ATMEGA32U4-AUR is a low-power 8-bit microcontroller based on the AVR enhanced RISC architecture. It achieves up to 16 MIPS throughput at 16MHz, with a single-cycle multiplier for efficient processing.

 

The device features 32KB of in-system self-programmable Flash, 2.5KB internal SRAM, and 1KB EEPROM. Peripherals include brown-out detect, power-on reset, PWM channels, and a watchdog timer. It also integrates a 12-channel 10-bit ADC.

 

Connectivity options include I2C, SPI, UART/USART, and a full-speed USB 2.0 device module with six programmable endpoints. The USB controller supports suspend/resume interrupts and can be clocked up to 48MHz via an internal PLL.

 

The microcontroller is available in a 44-TQFP (10x10mm) surface-mount package, with an operating temperature range of -40°C to 85°C and a supply voltage of 2.7V to 5.5V.

ATMEGA32U4-AUR Quick Information

Product Type: Microcontrollers
Series: ATmega
Canonical Name: Microchip Technology ATmega32U4 8-bit MCU with 32KB Flash
Subcategory: 8-bit Microcontroller

ATMEGA32U4-AUR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA32U4-AUR Features

  • 8-bit AVR core with 16MHz operation.
  • 32KB Flash program memory with self-programming.
  • USB 2.0 full-speed device controller onboard.
  • Supports I2C, SPI, UART/USART connectivity.
  • Wide operating voltage range 2.7V to 5.5V.

ATMEGA32U4-AUR Applications

  • Ideal for USB-enabled embedded control applications.
  • Suitable for low-power sensor interface designs.
  • Used in human interface devices like keyboards.
  • Applicable in industrial automation control modules.

ATMEGA32U4-AUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA32U4-AUR?

2.7V to 5.5V.

What package does the ATMEGA32U4-AUR come in?

44-TQFP (10x10mm).

What is the operating temperature range?

-40°C to 85°C.

Is the ATMEGA32U4-AUR RoHS compliant?

It is marked as RoHS3 Compliant, but this is unverified.

What is the core processor?

AVR 8-bit.

How much flash memory does it have?

32KB.

What connectivity interfaces does it support?

I2C, SPI, UART/USART, and USB 2.0.

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