Description

The ATmega128A-AU is a high-performance, low-power 8-bit microcontroller from Microchip Technology, based on the AVR® enhanced RISC architecture. It offers a rich set of features suitable for a wide range of embedded applications, including industrial automation, consumer electronics, and IoT devices.

🔧 Key Specifications

• Core: AVR® 8-bit RISC

• Operating Frequency: Up to 16 MHz

• Flash Memory: 128 KB In-System Programmable Flash with Read-While-Write capabilities

• EEPROM: 4 KB

• SRAM: 4 KB

• I/O Pins: 53 programmable I/O lines

• Timers/Counters:

  • Two 8-bit timers

  • Two 16-bit timers

• ADC: 8-channel, 10-bit ADC

• Communication Interfaces:

  • 2 USARTs

  • SPI

  • I²C (Two-wire Serial Interface)

  • JTAG interface for on-chip debugging and programming

• Operating Voltage: 2.7 V to 5.5 V

• Operating Temperature Range: −40°C to +85°C

• Package: 64-pin TQFP (Thin Quad Flat Package)

⚙️ Features

• High Throughput: Achieves up to 16 MIPS at 16 MHz, enabling efficient execution of complex tasks.

• Low Power Consumption: Multiple power-saving modes, including Idle and Power-down, to optimize energy usage.

• Enhanced Peripheral Set: Includes PWM channels, analog comparators, and a programmable Watchdog Timer.

• In-System Programming: Supports self-programming via bootloader, facilitating firmware updates without external programmers.

• Robust Development Ecosystem: Compatible with Microchip’s development tools, including MPLAB® X IDE and Atmel Studio.Microchip

📦 Applications

• Industrial automation and control systems

• Consumer electronics

• IoT devices and sensor networks

• Automotive applications

• Educational and prototyping platforms

📚 Additional Resources

• Product Page: ATmega128A – Microchip Technology

• Datasheet: ATmega128A Datasheet (PDF)

If you need further assistance with development tools, evaluation boards, or sourcing information for the ATmega128A-AU, feel free to ask!