ATMEGA128A AU 8 Bit 64 Pin 128K Flash Microcontroller SMD TQFP Package

ATMEGA128A AU 8 Bit 64 Pin 128K Flash Microcontroller SMD TQFP Package 

The ATmega128A-AU is a high-performance 8-bit AVR microcontroller from Microchip (formerly Atmel), designed for complex embedded applications requiring large program memory and extensive peripheral support. It is based on the AVR RISC architecture, delivering high code efficiency and fast execution speeds. With 128 KB of Flash memory, multiple communication interfaces, and a rich set of peripherals, the ATmega128A is widely used in industrial control, automation, robotics, and advanced embedded systems. The 64-pin TQFP SMD package makes it suitable for compact PCB designs.

Click here to view related products

Features

• 8-bit AVR RISC architecture with single-cycle instruction execution
• 128 KB In-System Programmable Flash memory
• 4 KB EEPROM for non-volatile data storage
• 4 KB SRAM
• Up to 16 MHz clock frequency
• 64-pin TQFP SMD package
• 53 programmable I/O pins
• Multiple communication interfaces:
• 2 × USART
• SPI
• I²C (TWI)
• 8-channel 10-bit ADC
• Timers/Counters: 2 × 8-bit, 2 × 16-bit
• Watchdog timer with independent oscillator
• JTAG interface for programming and debugging
• Low-power operating modes for energy-efficient designs

Applications

• Industrial automation and control systems
• Robotics and motion control
• Embedded control units
• Data acquisition systems
• Communication and protocol converters
• Smart instruments and meters
• Educational and research platforms
• Complex IoT and embedded development projects