ATMEGA1281-16AU The Microchip ATMEGA1281-16AU is an 8-bit AVR microcontroller featuring 128KB of Flash memory and operating at up to 16MHz. It is housed in a 64-TQFP package.
Mfr Part #:

ATMEGA1281-16AU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip ATMEGA1281-16AU is an 8-bit AVR microcontroller featuring 128KB of Flash memory and operating at up to 16MHz. It is housed in a 64-TQFP package.
✓ Total Stock: 6,105 pcs

ATMEGA1281-16AU Available from 2 distributors

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✓ Non-Authorised
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3,600 pcs
3600 pcs On Request 1 On Request On Request 21+ On Request On Request
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2,505 pcs
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ATMEGA1281-16AU 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
Speed
Supplier Device Package
Voltage

ATMEGA1281-16AU Description

Short technical summary and product information.

The ATMEGA1281-16AU from Microchip Technology is a high-performance, low-power 8-bit AVR microcontroller. It boasts 128KB of in-system self-programmable Flash memory, 4KB of EEPROM, and 8KB of internal SRAM, making it suitable for a wide range of embedded applications.

 

This microcontroller operates at speeds up to 16MHz and supports a supply voltage range of 2.7V to 5.5V. It features 54 programmable I/O lines, an 8-channel 10-bit ADC, and multiple communication interfaces including I²C, SPI, and UART/USART. Peripherals include brown-out detection, power-on reset, PWM channels, and a watchdog timer.

 

The ATMEGA1281-16AU is supplied in a 64-lead TQFP package, designed for surface mounting. Its operating temperature range is -40°C to 85°C, ensuring reliability in various environmental conditions. The advanced RISC architecture offers efficient instruction execution, with most instructions completing in a single clock cycle.

ATMEGA1281-16AU Quick Information

Product Type: Microcontroller
Series: ATmega 1281
Canonical Name: ATMEGA1281-16AU 8-bit Microcontroller
Subcategory: 8-bit Microcontrollers

ATMEGA1281-16AU Compliance

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

ATMEGA1281-16AU Features

  • 128KB Flash, 4KB EEPROM, 8KB SRAM
  • 16MHz maximum clock speed
  • 54 programmable I/O lines
  • 10-bit ADC with 8 channels
  • Operates from 2.7V to 5.5V

ATMEGA1281-16AU Applications

  • Embedded control systems
  • Industrial automation
  • Consumer electronics
  • Data acquisition systems

ATMEGA1281-16AU FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA1281-16AU?

The operating voltage range is 2.7V to 5.5V.

What is the maximum clock frequency of the ATMEGA1281-16AU?

The maximum clock frequency is 16 MHz.

What package does the ATMEGA1281-16AU come in?

It comes in a 64-TQFP (14x14) package.

What is the operating temperature range of the ATMEGA1281-16AU?

The operating temperature range is -40°C to +85°C.

How much Flash memory does the ATMEGA1281-16AU have?

It has 128KB of Flash program memory.

How many I/O pins are available on the ATMEGA1281-16AU?

There are 54 I/O pins.

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