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