The ATmega128A-AU with 8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins is an 8-bit microcontroller manufactured by Microchip Technology, Inc. It offers 128K Flash memory, 4K EEPROM, 4K SRAM, and 53 IO pins. The ATmega128A-AU is compatible with various types of development tools and offers a wide range of features, including 16-bit hardware timers, pulse-width modulation, external interrupts, 8-channel and 10-bit A/D, serial USART, SPI and I2C interface, and on-chip debugging, among others. Furthermore, it is packaged in a compact 40-pin DIP, making it ideal for various applications. Furthermore, construction of customer-specific hardware or firmware for the ATmega128A-AU is possible, allowing for further integration into existing solutions.