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           Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA32U4-AU

ATMEGA32U4-AU

Part Number: ATMEGA32U4-AU
Manufacturer: Microchip
Part Type: Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA32U4-AU
Qty Available:
Description: Risc Microcontroller, 8-BIT, Flash, AVR Risc Cpu, 16MHZ, Cmos, PQFP44

04/24/2026 – There are 515 pieces pieces of Part Number ATMEGA32U4-AU Available.

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Risc Microcontroller, 8-BIT, Flash, AVR Risc Cpu, 16MHZ, Cmos, PQFP44

Specifications

TYPE DESCRIPTION
Case/Package TQFP
Mount Surface Mount
Number of Pins 44
Core Architecture AVR
Data Bus Width 8 b
Frequency 16 MHz
Interface I2C, I2S, SPI, UART, USART, USB
Max Frequency 16 MHz
Max Operating Temperature 85 °C
Max Supply Voltage 5.5 V
Memory Size 32 kB
Memory Type FLASH
Manufacturer Package Identifier ATMEGA32U4-AU
Min Operating Temperature -40 °C
Min Supply Voltage 2.7 V
Number of ADC Channels 12
Number of I2C Channels 1
Number of I/Os 26
Number of Programmable I/O 26
Number of PWM Channels 8
Number of SPI Channels 1
Number of Timers/Counters 5
Oscillator Type External
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
RAM Size 2.5 kB
Schedule B 8542310000
Watchdog Timer Yes
Height 1.05 mm
Length 10 mm
Width 10 mm

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