ATmega32U4 8-bit MCU with USB Controller

Microchip Technology ATmega32U4 8-bit Microcontroller (MCU) with USB Controller is a low-power, AVR® RISC-based device featuring 32KB self-programming flash program memory, 2.5KB SRAM, 1KB EEPROM, USB 2.0 full-speed/low-speed device module, 12-channel, 10-bit analog-to-digital converter, and JTAG interface for on-chip-debug. This Microchip device achieves up to 16 MIPS throughput at 16MHz and 2.7 to 5.5V operation. By executing powerful instructions in a single clock cycle, Microchip ATmega32U4 MCU achieves throughputs approaching 1MIPS per MHz, allowing you to optimize power consumption versus processing speed.

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Microchip Technology 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn
Datasheet
4,073In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU USB 32K Flash 16 MHz
Datasheet
1,308In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Datasheet
912In Stock
1,248Expected 2026/04/14
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB QFN-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FL 16MHz Ind Temp Grn
Datasheet
444In Stock
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB QFN-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray
Microchip Technology 8-bit Microcontrollers - MCU USB 32K FLASH 16 MHz
Datasheet
2,502In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

AVR 32 kB 2.5 kB QFN-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FL 16MHz Ind Temp Grn
Datasheet
245In Stock
320Expected 2026/04/17
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn
Datasheet
794In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

AVR 32 kB 2.5 kB QFN-44 16 MHz 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Datasheet
6,031Expected 2026/06/18
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray