atmega32u4 datasheet

The ATmega32U4 is a high-performance microcontroller unit (MCU) developed by Microchip Technology. It is based on the 8-bit AVR architecture and incorporates a wide range of features suitable for various applications. With a CPU running at up to 16 MHz, the ATmega32U4 offers superior processing power. It has 32KB of flash memory, allowing for the storage of a large number of program instructions. The 2.5KB of SRAM ensures efficient data handling, while the 1KB of EEPROM provides non-volatile memory. One of the key features of the ATmega32U4 is its built-in USB 2.0 Full Speed interface. This allows for easy connectivity to a computer or other USB-enabled devices. The MCU can function as a USB device or a USB host, supporting different USB classes such as Human Interface Device (HID) and Communication Device Class (CDC). Additional features include a comprehensive set of peripherals such as analog comparators, timers, and UARTs. The ATmega32U4 is also equipped with 23 general-purpose I/O pins, offering flexibility in connecting external components. Overall, the ATmega32U4 provides a reliable and versatile solution for a wide range of applications, including consumer electronics, industrial automation, and Internet of Things (IoT) devices.