ATMEGA32U4-AU
- Mfr.Part #
- ATMEGA32U4-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 44TQFP
- Stock
- 1,154
- In Stock :
- 1,154
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Height :
- 1.05mm
- Number of I/O :
- 26
- MSL :
- -
- Pin Count :
- 44
- Bit Size :
- 8
- Package Shape :
- Square
- CPU Family :
- AVR RISC
- Qualification :
- -
- Number of PWM Channels :
- 8
- Minimum Operating Temperature :
- -40 °C
- JESD-30 Code :
- S-PQFP-G44
- Seated Height-Max :
- 1.2 mm
- Number of Terminations :
- 44
- Frequency :
- 16MHz
- Package / Case :
- 44-TQFP
- Qualification Status :
- Not Qualified
- Core Size :
- 8-Bit
- Number of Terminals :
- 44
- Mounting Type :
- Surface Mount
- Supply Current-Max :
- 15 mA
- PWM Channels :
- yes
- Manufacturer :
- Microchip
- Device Core :
- AVR
- Program Memory Type :
- Flash
- Program Memory Size :
- 32KB 16K x 16
- Interfaces :
- I2C, SPI, UART, USART
- Oscillator Type :
- Internal
- Surface Mount :
- yes
- Package Type :
- TQFP
- Pbfree Code :
- yes
- RoHS :
- Details
- ROM Programmability :
- Flash
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Reach Compliance Code :
- Compliant
- JESD-609 Code :
- e3
- Operating Temperature :
- -40°C~85°C TA
- Product :
- MCU
- Data Converter :
- A/D 12x10b
- Product Status :
- Active
- Mount :
- Surface Mount
- Terminal Pitch :
- 0.8 mm
- RoHS Status :
- ROHS3 Compliant
- Brand :
- Microchip Technology / Atmel
- Product Type :
- 8-bit Microcontrollers - MCU
- Number of ADC Channels :
- 12
- Interface :
- I2C, I2S, SPI, UART, USART, USB
- RAM Size :
- 2.5K x 8
- DAC Channels :
- No
- Base Part Number :
- ATmega32U4
- Data Converters :
- A/D 12x10b
- Maximum Operating Temperature :
- +85 °C
- Dimensions :
- 10.1 x 10.1 x 1.05mm
- Supply Voltage :
- 5V
- Memory Size :
- 32kB
- Tradename :
- AVR
- Peak Reflow Temperature (Cel) :
- 260
- Number of Pins :
- 44
- Data Bus Width :
- 8B
- Connectivity :
- I2C, SPI, UART/USART, USB
- Width :
- 10mm
- Instruction Set Architecture :
- RISC
- Length :
- 10mm
- Supplier Device Package :
- 44-TQFP (10x10)
- Core Processor :
- AVR
- Terminal Position :
- QUAD
- Manufacturer Package Identifier :
- ATMEGA32U4-AU
- Factory Lead Time :
- 7 Weeks
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Series :
- AVR® ATmega
- Watchdog Timer :
- yes
- Terminal Finish :
- Matte Tin (Sn)
- Temperature Grade :
- Industrial
- Product Category :
- 8-bit Microcontrollers - MCU
- Number of I2C Channels :
- 1
- Has ADC :
- yes
- Package :
- Tray
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- DMA Channels :
- No
- Number of I/Os :
- 26 I/O
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Family Name :
- ATMEGA
- Base Product Number :
- ATMEGA32
- Number of Timers/Counters :
- 5
- Terminal Form :
- Gull wing
- Published :
- 2001
- Number of I/O Lines :
- 26
- Additional Feature :
- ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V
- EEPROM Size :
- 1K x 8
- Radiation Hardening :
- No
- Packaging :
- Tray
- REACH SVHC :
- No SVHC
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Lead Free :
- Lead Free
- ROM (words) :
- 16384
- Interface Type :
- JTAG, SPI, TWI, USART, USB
- RAM (bytes) :
- 2560
- Mounting Style :
- SMD/SMT
- Power Supplies :
- 3/5 V
- Speed :
- 16MHz
- Datasheets
- ATMEGA32U4-AU

Microcontrollers Microchip Technology ATMEGA32U4-AU Overview
The ATMEGA32U4-AU by Microchip Technology represents a pinnacle of efficiency and functionality within the realm of microcontrollers. Designed for high-performance applications, this integrated circuit features a versatile 8-bit MCU with 32KB of flash memory, encapsulated in a compact 44-TQFP package. Its low-power consumption and substantial storage capacity make it particularly suitable for sophisticated embedded systems that require reliable and continuous operation. Utilizing advanced technology, the Microcontrollers Microchip Technology ATMEGA32U4-AU is optimized for robust multitasking, thereby enhancing the operational capabilities of your electronic devices.
ATMEGA32U4-AU Features
This microcontroller unit boasts numerous features that significantly enhance its usability and functionality across various applications. Key features include USB 2.0 interface support without the need for external crystals, a high degree of internal oscillator accuracy, and extensive interrupt programmability. Moreover, it supports multiple communication protocols including SPI, I2C, and UART, making it highly adaptable to new and legacy systems alike.
ATMEGA32U4-AU Applications
- Consumer Electronics: Easily integrates into applications such as gaming consoles, advanced remote controllers, and smart home devices, where compact size and complex functions are required.
- Medical Devices: Ideal for portable medical monitoring devices due to its low power consumption and precise sensor data handling capabilities.
- Industrial Automation: Provides robust control in automated systems within manufacturing lines, enhancing process efficiency and reliability.
- Automotive: Suitable for vehicle internal systems like advanced diagnostic systems and user interface enhancements.
- Communication Equipment: Utilized in communication devices and peripherals that require stable operation and connectivity features.
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