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ATMEGA128A-ANR

MCHPATMEGA128A-ANR

Microchip Technology
8-bit Microcontrollers - MCU AVR 128K Flash 16MHz 105 degree C Green
781 in stock
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Overview

The ATMEGA128A-ANR is an 8-bit AVR microcontroller from Microchip with 128 KB of on-chip flash and a typical maximum clock of 16 MHz. It is offered in a higher-temperature grade (up to 105 degrees C) suitable for industrial environments. The device is supported by the mature AVR ecosystem and common toolchains for firmware development.

Why Choose This Part

Choose this part when you want a proven, low-cost 8-bit AVR with a relatively large 128 KB flash and availability in a higher temperature grade. The AVR architecture has broad toolchain support, many example libraries, and a large installed base, which reduces development time for common embedded tasks.

Applications

Embedded control
Motor drivers, simple PLC logic, and device control where an 8-bit MCU and modest flash are sufficient.
Prototyping and education
Board-level prototyping, classroom projects, and legacy AVR-based development workflows.
Communication interfaces
Serial, SPI, I2C peripheral bridging and protocol handling in small systems.
Industrial instrumentation
Control and data-logging in higher-temperature industrial environments due to the 105 C grade.

Getting Started

Use Microchip Studio or avr-gcc/avrdude toolchain for development and flashing. Common programmers/debuggers such as Atmel-ICE, AVRISP-type devices or USBasp work for ISP programming. For experimentation you can use evaluation boards or a custom breakout with an ISP header and a 16 MHz clock source as recommended by the datasheet.

Also Consider

ATMEGA1284P-AU MCHPMicrochip Technology - Popular 128KB AVR with different peripheral mix and package options.
ATMEGA328P-AU MCHPMicrochip Technology - Smaller, widely used AVR with extensive community support for prototyping.
ATMEGA2560-16AU MCHPMicrochip Technology - Higher flash and peripheral count for larger projects and Arduino Mega compatibility.

Categories

Microcontrollers > AVR