ATMEGA1281-16AU The ATMEGA1281-16AU is an 8-bit AVR microcontroller with 128KB Flash, 8KB SRAM, and 4KB EEPROM in a 64-TQFP package.
Mfr Part #:

ATMEGA1281-16AU

Available from 1 distributors
Mfr Name: Atmel
Atmel
The ATMEGA1281-16AU is an 8-bit AVR microcontroller with 128KB Flash, 8KB SRAM, and 4KB EEPROM in a 64-TQFP package.
✓ Total Stock: 8,218 pcs

ATMEGA1281-16AU Available from 1 distributor

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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
SVHC Present
Speed
Supplier Device Package
Voltage

ATMEGA1281-16AU Description

Short technical summary and product information.

The ATMEGA1281-16AU is an 8-bit AVR microcontroller from Atmel's megaAVR series, featuring a high-performance RISC architecture. It operates at up to 16 MHz and delivers up to 16 MIPS throughput. The device includes 128KB of in-system self-programmable Flash memory, 8KB internal SRAM, and 4KB EEPROM.

 

This microcontroller offers 54 general-purpose I/O lines and a rich set of peripherals including two 8-bit and four 16-bit timers, an 8-channel 10-bit ADC, and multiple serial interfaces such as I2C, SPI, and USART. It also includes brown-out detection, power-on reset, and a watchdog timer.

 

The device is supplied in a 64-TQFP package with a 14x14 mm body and is designed for surface mount assembly. It operates over a supply voltage range of 2.7V to 5.5V and a temperature range of -40°C to +85°C.

ATMEGA1281-16AU Quick Information

Product Type: Microcontroller
Series: megaAVR
Canonical Name: ATmega1281-16AU 8-bit AVR Microcontroller
Subcategory: Microcontrollers

ATMEGA1281-16AU Compliance

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

ATMEGA1281-16AU Features

  • 8-bit AVR core with 16 MHz maximum clock speed.
  • 128KB Flash, 8KB SRAM, and 4KB EEPROM memory.
  • 54 general-purpose I/O lines for flexible connectivity.
  • 8-channel, 10-bit analog-to-digital converter (ADC).
  • Surface mount 64-TQFP package (14x14 mm).

ATMEGA1281-16AU Applications

  • Ideal for industrial control and automation systems.
  • Suitable for embedded sensor and data acquisition designs.
  • Used in motor control and power management applications.
  • Applicable in communication interfaces and protocol bridging.

ATMEGA1281-16AU FAQs

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

The supply voltage range is 2.7V to 5.5V.

What package does the ATMEGA1281-16AU come in?

It comes in a 64-TQFP package (14x14 mm) for surface mount mounting.

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

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

Is the ATMEGA1281-16AU RoHS compliant?

The RoHS status is listed as RoHS3 Compliant, but this is unverified.

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

It has 128KB of Flash program memory.

How many I/O pins does the ATMEGA1281-16AU have?

It has 54 general-purpose I/O pins.

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

The maximum clock speed is 16 MHz.

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