ATMEGA1281-16AU - Atmel

Manufacturer Part Number

ATMEGA1281-16AU

Manufacturer

Microchip Technology

Introduction

ATMEGA1281-16AU is an 8-bit AVR microcontroller offering a balanced combination of performance, power efficiency, and peripherals for embedded applications.

Product Features and Performance

8-bit AVR Core Processor

16MHz Maximum Clock Speed

128KB Flash Program Memory

4KB EEPROM

8KB SRAM

54 Digital I/O Pins

Advanced RISC Architecture

Extensive Interrupt Capability

Power-saving Sleep Modes

In-System Programmable via SPI Port

JTAG (IEEE std. 1149.1 Compliant) Interface

Product Advantages

Robust execution speed at 16 MIPS

Enhanced power efficiency modes

Provides a flexible set of interfaces for different peripherals

Large program memory size for complex applications

Key Technical Parameters

Core Size: 8-Bit

Speed: 16MHz

Connectivity: EBI/EMI, I2C, SPI, UART/USART

Peripherals: Brown-out Detect/Reset, POR, PWM, WDT

Number of I/O: 54

Program Memory Size: 128KB (64K x 16)

EEPROM Size: 4K x 8

RAM Size: 8K x 8

Voltage Supply Range: 2.7V to 5.5V

Data Converters: 8 channels of 10-bit A/D

Oscillator Type: Internal

Operating Temperature Range: -40°C to 85°C

Mounting Type: Surface Mount

Package: 64-TQFP (14x14)

Quality and Safety Features

Brown-out Detection

On-chip Analog Digital Conversion for safety monitoring

Over-temperature shutdown for thermal safety

Compatibility

Compatible with AVR development tools

Supports JTAG for extensive development and debugging

TQFP package allows for easier integration with PCBs

Application Areas

Industrial control systems

Automation

IoT devices

Consumer electronics

Automotive systems

Product Lifecycle

Status: Active

Not currently flagged for discontinuation

Replacements/upgrades would be from the same AVR ATmega series with superior memory or speed specifications

Several Key Reasons to Choose This Product

Robust peripheral set enhances design flexibility

Wide voltage supply range enables applications from battery-operated to mains-supplied environments

High memory capacity is ideal for complex algorithm implementation

Rugged operating temperature range makes it suitable for harsh environments

Active product life status ensures long-term availability and support