ATMEGA32U4-AUR
- Mfr.Part #
- ATMEGA32U4-AUR
- Manufacturer
- Microchip Technology
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 44TQFP
- Stock
- 13,875
- In Stock :
- 13,875
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Typical Operating Supply Voltage :
- 5.5 (Maximum) V
- Number of USB Channels :
- 1
- Number of Terminals :
- 44
- Interface Type :
- JTAG, SPI, TWI, USART, USB
- Has ADC :
- yes
- Tradename :
- AVR
- RoHS :
- Details
- Terminal Pitch :
- 0.8mm
- DAC Channels :
- No
- Number of I2C Channels :
- 1
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Manufacturer :
- Microchip
- Seated Height-Max :
- 1.2 mm
- Number of I/Os :
- 26 I/O
- Core Processor :
- AVR
- Series :
- AVR® ATmega
- Product Type :
- 8-bit Microcontrollers - MCU
- Speed :
- 16MHz
- EEPROM Size :
- 1K x 8
- Product :
- MCU
- On Chip Program ROM Width :
- 8
- Additional Feature :
- ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V
- Device Core :
- AVR
- Published :
- 2001
- JESD-30 Code :
- S-PQFP-G44
- Interfaces :
- I2C, SPI, USART, USB
- Mount :
- Surface Mount
- Package Type :
- TQFP
- Bit Size :
- 8
- Reach Compliance Code :
- Compliant
- Mounting Style :
- SMD/SMT
- Number of SPI Channels :
- 1
- Factory Lead Time :
- 7 Weeks
- Packaging :
- Tape and Reel (TR)
- DMA Channels :
- No
- Terminal Form :
- Gull wing
- MSL :
- MSL 1 - Unlimited
- Family Name :
- ATMEGA
- Terminal Position :
- QUAD
- Screening Level :
- TS 16949
- Minimum Operating Temperature :
- -40 °C
- REACH SVHC :
- No SVHC
- RAM Size :
- 2.5K x 8
- Product Status :
- Active
- Data Converters :
- A/D 12x10b
- Qualification :
- -
- RoHS Status :
- ROHS3 Compliant
- Number of UART Channels :
- 1
- Lead Free :
- Lead Free
- Width :
- 10.1mm
- Interface :
- SPI, USART, USB
- Number of ADC Channels :
- 12
- Package Shape :
- Square
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of I/O :
- 26
- Supply Voltage :
- 5V
- Supplier Device Package :
- 44-TQFP (10x10)
- Brand :
- Microchip Technology / Atmel
- Length :
- 10.1mm
- Number of Terminations :
- 44
- Mounting Type :
- Surface Mount
- Instruction Set Architecture :
- RISC
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Base Part Number :
- ATmega32U4
- Data Bus Width :
- 8B
- Product Category :
- 8-bit Microcontrollers - MCU
- Memory Size :
- 32kB
- Height :
- 1.2mm
- Number of Timers/Counters :
- 4
- Dimensions :
- 10.1 x 10.1 x 1.05mm
- Pin Count :
- 44
- Temperature Grade :
- Industrial
- Number of Pins :
- 44
- Number of I/O Lines :
- 26
- Maximum Operating Temperature :
- +85 °C
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Subcategory :
- Microcontrollers - MCU
- Program Memory Type :
- Flash
- Core Size :
- 8-Bit
- Surface Mount :
- yes
- Pbfree Code :
- yes
- PWM Channels :
- yes
- Base Product Number :
- ATMEGA32
- Supply Voltage-Max (Vsup) :
- 5.5V
- Program Memory Size :
- 32KB 16K x 16
- Oscillator Type :
- Internal
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Connectivity :
- I2C, SPI, UART/USART, USB
- Number of PWM Channels :
- 14
- Data Converter :
- A/D 12x10b
- ROM Programmability :
- Flash
- Operating Temperature :
- -40°C~85°C TA
- Frequency :
- 16MHz
- Watchdog Timer :
- yes
- Package / Case :
- 44-TQFP
- Datasheets
- ATMEGA32U4-AUR
ATMEGA32U4-AUR Documents

Microcontrollers Microchip Technology ATMEGA32U4-AUR Overview
The Microcontrollers Microchip Technology ATMEGA32U4-AUR is a highly versatile 8-bit microcontroller from Microchip Technology, designed to empower a wide range of applications with its advanced features. This MCU is built on a high-performance, low-power AVR architecture, making it ideal for embedded systems that require a sophisticated level of control alongside efficient power consumption. Its 32KB of in-system programmable flash and robust connectivity options, including USB 2.0 compliance, make it an excellent choice for developers looking to integrate reliable communication and data handling capabilities into their designs. The compact 44-TQFP package is engineered for space-sensitive applications while providing ample room for extensive functionality.
ATMEGA32U4-AUR Features
This microcontroller boasts a variety of features including 32KB ISP flash memory, a USB 2.0 controller, 1KB EEPROM, and 2.5KB SRAM, all contributing to its high performance. The device supports up to 16 MIPS throughput at 16 MHz, operating across a voltage range of 2.7V to 5.5V. Additional features include power-on reset and programmable brown-out detection, a 10-bit ADC with 12 channels, four PWM channels, and six flexible timers for advanced control applications.
ATMEGA32U4-AUR Applications
- Consumer Electronics: Used in gaming devices, home automation controls, and personal gadgets where its USB functionality enables effective communication and interface.
- Medical Devices: Integral in designs for handheld medical instruments and monitors, where its low power consumption and high data accuracy are critical.
- Industrial Automation: Applies to control systems, where robustness and reliability are needed for continuous operation and interfacing with other industrial equipment.
- PC Peripherals: Perfect for keyboards, mice, and other PC interfaces due to its native USB support, enhancing connectivity and performance.
- Automotive Applications: Utilized in automotive sensors and entertainment systems, providing crucial real-time processing and connectivity features.
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