ATMEGA32U2-AU
- Mfr.Part #
- ATMEGA32U2-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 32TQFP
- Stock
- 17,681
- In Stock :
- 17,681
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Operating Temp Range :
- -40C to 85C
- Frequency :
- 16MHz
- Package Shape :
- Square
- Operating Temperature (Max) :
- 85C
- Rad Hardened :
- No
- Packaging :
- Tray
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O Lines :
- 22
- Temperature Grade :
- Industrial
- Package / Case :
- 32-TQFP
- Connectivity :
- SPI, UART/USART, USB
- Programmable :
- yes
- Base Product Number :
- ATMEGA32
- Lead Free :
- Lead Free
- Base Part Number :
- ATmega32U2
- Device Core :
- AVR
- Length :
- 7mm
- PWM Channels :
- yes
- Program Memory Size :
- 32KB 16K x 16
- Speed :
- 16MHz
- Clock Freq :
- 16(MHz)
- Terminal Position :
- QUAD
- Bit Size :
- 8
- Number of Terminals :
- 32
- Brand :
- Microchip Technology / Atmel
- Surface Mount :
- yes
- Product Status :
- Active
- Number of Pins :
- 32
- Interface Type :
- SPI/USART/USB
- Core Processor :
- AVR
- Terminal Pitch :
- 0.8mm
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Operating Temperature (Min) :
- -40C
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ
- Supplier Device Package :
- 32-TQFP (7x7)
- Mounting Style :
- SMD/SMT
- REACH SVHC :
- No SVHC
- Has ADC :
- No
- Mounting :
- Surface Mount
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Qualification :
- -
- JESD-30 Code :
- S-PQFP-G32
- Seated Height-Max :
- 1.2 mm
- Power Supplies :
- 3/5 V
- Total Internal Ram Size :
- 1KB(kB)
- DMA Channels :
- No
- Number of Terminations :
- 32
- RAM Size :
- 1K x 8
- RoHS :
- Details
- MSL :
- MSL 3 - 168 hours
- Number of PWM Channels :
- 5
- JESD-609 Code :
- e3
- Number of I/Os :
- 22 I/O
- Number of I/O :
- 22
- Watchdog Timer :
- yes
- EEPROM Size :
- 1K x 8
- Supply Voltage :
- 5V
- Oscillator Type :
- Internal
- Maximum Operating Temperature :
- +85 °C
- Memory Size :
- 32kB
- Pin Count :
- 32
- Family Name :
- ATmega32U2
- DAC Channels :
- No
- # I/Os (Max) :
- 22
- ROM Programmability :
- Flash
- Operating Temperature Classification :
- Industrial
- RAM (bytes) :
- 1024
- Terminal Form :
- Gull wing
- ROM (words) :
- 16384
- Product Category :
- 8-bit Microcontrollers - MCU
- Dimensions :
- 7 x 7 x 1.05mm
- Manufacturer :
- Microchip
- Qualification Status :
- Not Qualified
- Terminal Finish :
- Matte Tin (Sn)
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Width :
- 7mm
- Product Type :
- 8-bit Microcontrollers - MCU
- Reach Compliance Code :
- Compliant
- Radiation Hardening :
- No
- Peak Reflow Temperature (Cel) :
- 260
- Tradename :
- AVR
- Core Size :
- 8-Bit
- Interfaces :
- SPI/USART/USB
- Mounting Type :
- Surface Mount
- Number of SPI Channels :
- 1
- Product :
- MCU
- Pbfree Code :
- yes
- Series :
- AVR® ATmega
- Contact Plating :
- Tin
- Factory Lead Time :
- 4 Weeks
- Minimum Operating Temperature :
- -40 °C
- Supply Current-Max :
- 21 mA
- Termination :
- SMD/SMT
- Height :
- 1.05mm
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- Mount :
- Surface Mount
- Number of Timers/Counters :
- 2
- Instruction Set Architecture :
- RISC
- Data Bus Width :
- 8B
- RoHS Status :
- ROHS3 Compliant
- Program Memory Type :
- Flash
- CPU Family :
- AVR RISC
- Interface :
- SPI, UART, USART, USB
- Package Type :
- TQFP
- Device Core Size :
- 8(b)
- Number of Timers - General Purpose :
- 2
- Density :
- 256 kb
- Data Converters :
- --
- Published :
- 2012
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Operating Supply Voltage (Min) :
- 2.7(V)
- Operating Supply Voltage (Max) :
- 5.5(V)
- Package :
- Tray
- Operating Temperature :
- -40°C~85°C TA
- Datasheets
- ATMEGA32U2-AU

Microcontrollers Microchip Technology ATMEGA32U2-AU Overview
The ATMEGA32U2-AU from Microchip Technology is a robust 8-bit microcontroller that provides a seamless integration of versatility and efficiency for a wide range of applications. This microcontroller, embedded in a compact 32TQFP package, features 32KB of in-system programmable flash, allowing for robust program storage and fast access speeds. The integration of USB functionality enhances its applicability for modern digital devices, making the ATMEGA32U2-AU a prime choice for developers looking to leverage advanced MCU technology with reduced development times and increased application flexibility. The inclusion of a full-speed USB interface supports end-product designs that require agile and versatile communication capabilities.
ATMEGA32U2-AU Features
- 32KB ISP flash memory
- USB 2.0 interface for Full-speed operation at 12 Mbps
- Up to 16 MIPS throughput at 16 MHz
- JTAG interface for boundary-scan, on-chip debugging, and programming
- Power-efficient operation — supports Idle, Power-down, and Standby modes
- Enhanced RISC architecture with 135 powerful instructions – most executable in a single clock cycle
- 32TQFP package for efficient PCB real estate usage
ATMEGA32U2-AU Applications
- USB Peripherals: The integrated USB module makes it ideal for developing USB interface peripherals such as keyboards, mice, and other human interface devices. The MCU ensures efficient handling of USB protocols and data transfer.
- Automotive Applications: Suitable for in-vehicle systems that require robust serial communication capabilities, such as diagnostic tools and media controllers.
- Consumer Electronics: Utilized in household electronics like smart home devices and remote controls, where low power consumption and high functionality are critical.
- Industrial Control: Powers complex industrial machinery interfaces, providing reliable operation and connectivity essential for modern industrial applications.
- Medical Devices: Embedded in medical monitoring systems due to its robust processing capabilities and compatibility with stringent medical standards for device safety and reliability.
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