ATMEGA32U4-MU
- Mfr.Part #
- ATMEGA32U4-MU
- Manufacturer
- Microchip Technology
- Package / Case
- 44-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 44VQFN
- Stock
- 10,207
- In Stock :
- 10,207
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Connectivity :
- I2C, SPI, UART/USART, USB
- Brand :
- Microchip Technology / Atmel
- RAM Size :
- 2.5K x 8
- Base Part Number :
- ATmega32U4
- Package :
- Tray
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Height :
- 950μm
- Surface Mount :
- yes
- Memory Size :
- 32kB
- RoHS :
- Details
- Temperature Grade :
- Industrial
- Supplier Device Package :
- 44-QFN (7x7)
- Additional Feature :
- ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V
- Data Converters :
- A/D 12x10b
- Published :
- 2001
- Device Core :
- AVR
- EEPROM Size :
- 1K x 8
- REACH SVHC :
- No SVHC
- Data Converter :
- A/D 12x10b
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Interfaces :
- SPI, USART
- Pbfree Code :
- yes
- Core Size :
- 8-Bit
- Number of Pins :
- 44
- Mounting Type :
- Surface Mount
- Package Type :
- QFN
- Mounting Style :
- SMD/SMT
- Operating Temperature :
- -40°C~85°C TA
- Reach Compliance Code :
- Compliant
- Program Memory Type :
- Flash
- Watchdog Timer :
- yes
- Supply Voltage :
- 5V
- Length :
- 7.1mm
- Instruction Set Architecture :
- RISC
- ROM Programmability :
- Flash
- Has ADC :
- yes
- Seated Height-Max :
- 1 mm
- Terminal Pitch :
- 0.5 mm
- ROM (words) :
- 16384
- Number of Terminals :
- 44
- JESD-30 Code :
- S-XQCC-N44
- Number of I/Os :
- 26 I/O
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Bit Size :
- 8
- CPU Family :
- AVR RISC
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Data Bus Width :
- 8B
- Factory Lead Time :
- 10 Weeks
- Pin Count :
- 44
- MSL :
- MSL 3 - 168 hours
- PWM Channels :
- yes
- Core Processor :
- AVR
- Number of ADC Channels :
- 12
- Number of I/O :
- 26
- Terminal Form :
- NO LEAD
- Number of PWM Channels :
- 8
- Package Shape :
- Square
- Product Type :
- 8-bit Microcontrollers - MCU
- JESD-609 Code :
- e3
- Interface Type :
- SPI, TWI, USART
- Terminal Position :
- QUAD
- Contact Plating :
- Tin
- Number of SPI Channels :
- 2
- Frequency :
- 16MHz
- Family Name :
- ATMEGA
- DAC Channels :
- No
- Mount :
- Surface Mount
- Tradename :
- AVR
- Radiation Hardening :
- No
- Speed :
- 16MHz
- Number of Timers/Counters :
- 5
- Number of I/O Lines :
- 26
- Product Category :
- 8-bit Microcontrollers - MCU
- Qualification :
- -
- Terminal Finish :
- MATTE TIN
- Product :
- MCU
- Number of USB Channels :
- 1
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Manufacturer :
- Microchip
- Series :
- AVR® ATmega
- Width :
- 7.1mm
- DMA Channels :
- No
- Dimensions :
- 7.1 x 7.1 x 0.95mm
- RoHS Status :
- ROHS3 Compliant
- Program Memory Size :
- 32KB 16K x 16
- Supply Current-Max :
- 15 mA
- Lead Free :
- Lead Free
- Number of Terminations :
- 44
- Product Status :
- Active
- Minimum Operating Temperature :
- -40 °C
- Power Supplies :
- 3/5 V
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- RAM (bytes) :
- 2560
- Package / Case :
- 44-VFQFN Exposed Pad
- Qualification Status :
- Not Qualified
- Maximum Operating Temperature :
- +85 °C
- Oscillator Type :
- Internal
- Packaging :
- Tray
- Interface :
- I2C, I2S, SPI, UART, USART, USB
- Base Product Number :
- ATMEGA32
- Datasheets
- ATMEGA32U4-MU
ATMEGA32U4-MU Documents

Microcontrollers Microchip Technology ATMEGA32U4-MU Overview
The ATMEGA32U4-MU by Microchip Technology stands as a robust and versatile microcontroller unit (MCU) within the Microcontrollers category, designed to cater to advanced needs in embedded system applications. This 8-bit MCU is built on Microchip's high-performance, low-power AVR architecture, making it ideal for a broad range of industrial and commercial applications. With its 32KB of in-system programmable flash, the ATMEGA32U4-MU not only offers ample room for complex firmware developments but also facilitates rapid prototyping and development with reduced time-to-market. The integration of USB connectivity directly into the MCU allows for streamlined product design, reducing the need for additional components and simplifying the overall system architecture.
ATMEGA32U4-MU Features
- High-performance, low-power AVR 8-bit microcontroller
- 32KB ISP flash memory with read-while-write capabilities
- 1.25KB SRAM, 1KB EEPROM
- USB 2.0 Full-speed/Low Speed Device Module with interrupt on transfer completion
- 12-channel 10-bit A/D converter
- Real-time counter with separate oscillator
- 44-pin VQFN packaging for reduced space requirement
ATMEGA32U4-MU Applications
- USB Device Interfaces: Facilitates the creation of USB peripheral devices like mice, keyboards, and game controllers due to its integrated USB module.
- Consumer Electronics: Utilized in the development of interactive consumer electronics such as handheld gaming devices, GPS units, and digital cameras, offering both power efficiency and advanced interface capabilities.
- Industrial Automation: Powers complex industrial control systems, such as sensors and actuators, enhancing system reliability and performance in harsh environments.
- Healthcare Devices: Ideal for medical monitoring equipment like portable health monitors and fitness wearables due to its low power consumption and high integration.
- Automotive Applications: Used in automotive contexts for managing entertainment systems, environmental controls, and sensor-based safety features, improving vehicle user interfaces and functionality.
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