ATMEGA128A-AU The Microchip Technology ATMEGA128A-AU is an 8-bit AVR microcontroller featuring 128KB of Flash program memory and operating at speeds up to 16MHz. It is supplied in a 64-TQFP package.
Mfr Part #:

ATMEGA128A-AU

Available from 7 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology ATMEGA128A-AU is an 8-bit AVR microcontroller featuring 128KB of Flash program memory and operating at speeds up to 16MHz. It is supplied in a 64-TQFP package.
✓ Total Stock: 136,260 pcs

ATMEGA128A-AU Available from 7 distributors

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ATMEGA128A-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Lead Spacing
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Supplier Package
Voltage

ATMEGA128A-AU Description

Short technical summary and product information.

The Microchip Technology ATmega128A is a high-performance, low-power 8-bit AVR microcontroller based on an enhanced RISC architecture. It executes powerful instructions in a single clock cycle, achieving throughputs close to 1 MIPS per MHz. This device offers 128KB of in-system self-programmable Flash program memory, 4KB of EEPROM, and 4KB of internal SRAM.

 

Key features include an 8-bit core, operating at speeds up to 16MHz, and a wide operating voltage range of 2.7V to 5.5V. It is equipped with an 8-channel, 10-bit ADC, dual USARTs, SPI, and I²C interfaces, along with peripherals like timers, PWM channels, and a watchdog timer. The microcontroller operates within a temperature range of -40°C to 85°C (TA).

 

This specific variant, the ATMEGA128A-AU, comes in a 64-lead TQFP package suitable for surface mounting. Its robust feature set makes it suitable for a variety of embedded control applications requiring efficient processing and ample memory.

ATMEGA128A-AU Quick Information

Product Type: Microcontroller
Canonical Name: ATmega128A 8-bit AVR Microcontroller
Subcategory: 8-bit AVR

ATMEGA128A-AU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA128A-AU Features

  • High-performance 8-bit AVR microcontroller.
  • 128KB Flash program memory.
  • Up to 16MHz clock speed.
  • 4KB internal SRAM and 4KB EEPROM.
  • 64-TQFP surface mount package.

ATMEGA128A-AU Applications

  • Suitable for embedded control systems.
  • Ideal for applications needing moderate memory.
  • Supports various communication interfaces.
  • Designed for low-power operation.

ATMEGA128A-AU FAQs

6 frequently asked questions generated from this part’s specifications.
What is the program memory size of the ATMEGA128A-AU?

The ATMEGA128A-AU has 128KB of Flash program memory.

What type of microcontroller is the ATMEGA128A-AU?

The ATMEGA128A-AU is an 8-bit AVR microcontroller.

What is the operating voltage range for the ATMEGA128A-AU?

The operating voltage range is 2.7V to 5.5V.

What is the operating temperature of the ATMEGA128A-AU?

The operating temperature is -40°C to 85°C (TA).

How is the ATMEGA128A-AU mounted?

The ATMEGA128A-AU is a surface mount device.

What package is the ATMEGA128A-AU supplied in?

It is supplied in a 64-TQFP package.

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