ATMEGA8A-AU Microchip Technology IC MCU 8BIT 8KB FLASH 32TQFP


The ATmega8A-AU is an 8-bit microcontroller manufactured by Microchip Technology (formerly Atmel). Below are the specific details for this microcontroller:


  • Manufacturer: Microchip Technology
  • Part Number: ATmega8A-AU
  • Type: MCU (Microcontroller Unit)
  • Architecture: 8-bit AVR MCU
  • Flash Memory: 8KB
  • RAM: 1KB
  • Operating Voltage Range: 2.7V to 5.5V
  • Package/Case: 32-TQFP (Thin Quad Flat Package)
  • Features: 23 general-purpose I/O lines, 6-channel 10-bit ADC, 2 USARTs, SPI, 3 timers/counters, 8-bit DAC, brown-out detector, watchdog timer, programmable serial USART, master/slave SPI communication
  • Low Power Consumption: The ATmega8A-AU is optimized for low power consumption which makes it suitable for battery-powered applications.
  • DataSheet



The ATmega8A-AU is designed for a variety of embedded control and processing applications that require a balance of processing power, low-power consumption, and a versatile set of peripherals.


This microcontroller is suitable for a wide array of applications, including but not limited to:

  • Embedded control systems
  • Sensor interfacing
  • Industrial automation
  • Consumer electronics
  • Home automation
  • Automotive systems
  • Robotics
  • DIY projects

Development and Prototyping:

Microchip provides a comprehensive development ecosystem for the ATmega8A-AU, including Atmel Studio, development boards, and associated support documents. Additionally, various evaluation kits and tools are available to support development and prototyping efforts.


The ATmega8A-AU features a versatile set of peripherals, including analog-to-digital conversion (ADC), serial communication interfaces (USART, SPI), timers/counters, and general-purpose I/O pins for flexible interfacing with peripheral devices and external components.

The ATmega8A-AU is a robust platform for developers seeking a cost-effective and versatile microcontroller solution with sufficient resources for various embedded applications. As always, it is crucial to refer to the most current datasheets and documentation to ensure the MCU's suitability for a specific project.