Atmega 32u4-AU TQFP44

Atmega32U4-AU Microcontroller TQFP-44

The Atmega32U4-AU is a low-power, high-performance 8-bit AVR microcontroller manufactured by Microchip (formerly Atmel). Featuring an integrated USB 2.0 Full-Speed interface, it can connect directly to computers without requiring an external USB converter. This makes it a popular choice in development boards such as the Arduino Leonardo and Pro Micro. With built-in flash memory, SRAM, and EEPROM, it provides a powerful solution for embedded system applications.

Atmega32U4-AU Microcontroller TQFP-44 Specifications:

• Microcontroller type: 8-bit AVR RISC architecture

• Operating voltage: 2.7V – 5.5V

• Operating frequency: up to 16 MHz

• Flash memory: 32 KB (including 4 KB bootloader section)

• SRAM: 2.5 KB, EEPROM: 1 KB

• USB 2.0 Full-Speed support (12 Mbps)

• Multiple peripheral interfaces: PWM, ADC, USART, SPI, I2C (TWI)

• Package type: TQFP-44 (QFP form)

• Common applications: USB devices, Arduino projects, HID applications

Useful Documents:

• Atmega32U4-AU Datasheet

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