ATMEGA8A-AUR

Product Overview

Category

ATMEGA8A-AUR belongs to the category of microcontrollers.

Use

It is commonly used in various electronic applications that require a microcontroller for processing and controlling functions.

Characteristics

• Low-power, high-performance 8-bit AVR microcontroller
• Operating voltage: 2.7V to 5.5V
• Flash memory: 8KB
• EEPROM: 512 bytes
• SRAM: 1KB
• Speed: Up to 16MHz
• Package: TQFP-32
• Essence: It combines advanced features with low power consumption, making it suitable for a wide range of applications.

Packaging/Quantity

ATMEGA8A-AUR is typically packaged in a TQFP-32 package. It is available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Architecture: AVR
• CPU Speed: Up to 16MHz
• Data Bus Width: 8-bit
• Program Memory Size: 8KB
• RAM Size: 1KB
• EEPROM Size: 512 bytes
• Number of I/O Pins: 23
• ADC Channels: 6
• USART: 1
• SPI: 1
• I2C: 1
• Timers: 3
• Operating Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATMEGA8A-AUR microcontroller has a total of 32 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | RESET | Reset | | 2 | VCC | Power Supply (2.7V to 5.5V) | | 3 | GND | Ground | | 4 | XTAL1 | Crystal Oscillator 1 Input | | 5 | XTAL2 | Crystal Oscillator 2 Output | | 6-13 | PORTB0-PORTB7 | General Purpose I/O Pins | | 14 | VCC | Power Supply (2.7V to 5.5V) | | 15 | GND | Ground | | 16-23 | PORTC0-PORTC7 | General Purpose I/O Pins | | 24 | VCC | Power Supply (2.7V to 5.5V) | | 25 | GND | Ground | | 26-32 | PORTD0-PORTD7 | General Purpose I/O Pins |

Functional Features

• High-performance, low-power AVR architecture
• Advanced RISC architecture with 131 powerful instructions
• Non-volatile program and data memories
• In-system programmable flash memory
• EEPROM for non-volatile storage
• Multiple communication interfaces (USART, SPI, I2C)
• Analog-to-Digital Converter (ADC) with 6 channels
• Timers for various timing and control applications
• Interrupt handling capability
• Wide operating voltage range for flexibility

Advantages and Disadvantages

Advantages

• Low power consumption
• High-performance processing capabilities
• In-system programmability
• Versatile communication interfaces
• Ample program and data memory
• Wide operating voltage range

Disadvantages

• Limited number of I/O pins compared to some other microcontrollers
• Relatively small amount of program memory compared to higher-end microcontrollers

Working Principles

ATMEGA8A-AUR operates based on the AVR architecture, which utilizes a RISC (Reduced Instruction Set Computer) design. It executes instructions from its flash memory and can be programmed in-system using various programming tools. The microcontroller interacts with external devices through its I/O pins and communication interfaces. It can perform tasks such as data processing, control functions, and interfacing with sensors and actuators.

Detailed Application Field Plans

ATMEGA8A-AUR finds applications in various fields, including but not limited to: - Home automation systems - Industrial control systems - Robotics - Automotive electronics - Consumer electronics - Internet of Things (IoT) devices - Medical devices - Educational projects

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ATMEGA8A-AUR are: - ATMEGA328P-AU - ATMEGA16A-AU - ATMEGA32U4-AU - PIC16F877A-I/P - STM32F103C8T6

These models provide comparable features and can be considered as alternatives depending on specific requirements