The ATMEGA64A-AN is a microcontroller manufactured by Microchip and is part of the AVR family of microcontrollers. It features a 64kB flash memory, 2kB of EEPROM, and 4kB of SRAM. The controller is packaged as a 64-pin Thin-Quad Flat-Package (TQFP). The ATMEGA64A-AN is designed for high speed and low power consumption, making it suitable for applications that require low-power operations, such as portable electronic devices and automotive applications. Additionally, the ATMEGA64A-AN supports numerous communication protocols, including I2C, SPI, and UART. Furthermore, the device is built with an integrated 8-bit A/D converter for analog-to-digital conversion.