ATMEGA128A-AUR The ATMEGA128A-AUR is an 8-bit AVR microcontroller from Microchip Technology featuring 128KB Flash memory, 4KB RAM, and 53 I/O lines. It operates at up to 16MHz and is housed in a 64-TQFP package.
Mfr Part #:

ATMEGA128A-AUR

Available from 3 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA128A-AUR is an 8-bit AVR microcontroller from Microchip Technology featuring 128KB Flash memory, 4KB RAM, and 53 I/O lines. It operates at up to 16MHz and is housed in a 64-TQFP package.
✓ Total Stock: 17,415 pcs

ATMEGA128A-AUR Available from 3 distributors

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ATMEGA128A-AUR Specifications Quick View

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

ATMEGA128A-AUR Description

Short technical summary and product information.

The ATMEGA128A-AUR is a low-power 8-bit AVR microcontroller based on the enhanced RISC architecture, achieving up to 16 MIPS throughput at 16 MHz. It features 128KB of in-system self-programmable Flash memory, 4KB EEPROM, and 4KB internal SRAM.

 

Peripheral features include two 8-bit and two 16-bit timer/counters, 8 PWM channels, an 8-channel 10-bit ADC with differential inputs and programmable gain amplifier, and multiple serial interfaces: EBI/EMI, I²C, SPI, and UART/USART. On-chip brown-out detection, power-on reset, and a programmable watchdog timer enhance system reliability.

 

The device is supplied in a surface-mount 64-TQFP package (14x14mm) and operates over a temperature range of -40°C to 85°C with a supply voltage of 2.7V to 5.5V. It is RoHS3 compliant and REACH unaffected, with an MSL rating of 3 (168 hours).

 

Typical applications include industrial control, automation, sensor interfaces, and embedded systems requiring a balance of performance, memory, and peripheral integration.

ATMEGA128A-AUR Quick Information

Product Type: Microcontroller
Series: ATmega
Canonical Name: ATMEGA128A-AUR 8-bit AVR Microcontroller
Subcategory: 8-bit Microcontroller

ATMEGA128A-AUR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
REACH Status: REACH Unaffected

ATMEGA128A-AUR Features

  • 8-bit AVR core with up to 16 MIPS throughput.
  • 128KB Flash, 4KB EEPROM, and 4KB SRAM.
  • 53 I/O lines with multiple serial interfaces.
  • 8-channel 10-bit ADC with differential inputs.
  • Surface mount 64-TQFP package.

ATMEGA128A-AUR Applications

  • Industrial control and automation systems.
  • Embedded sensor interfaces and data acquisition.
  • Motor control with PWM and timer peripherals.
  • Communication gateways using UART, I2C, and SPI.

ATMEGA128A-AUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the ATMEGA128A-AUR?

2.7V to 5.5V.

What package does the ATMEGA128A-AUR come in?

64-TQFP (14x14mm) surface mount.

What is the operating temperature range?

-40°C to 85°C.

Is the ATMEGA128A-AUR RoHS compliant?

Yes, RoHS3 compliant.

What is the program memory size?

128KB Flash.

How many I/O pins does it have?

53 I/O lines.

What serial interfaces are supported?

EBI/EMI, I²C, SPI, UART/USART.

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