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Microchip Technology ATMEGA8A-AUR
- Part No.:
- ATMEGA8A-AUR
- Manufacturer:
- Microchip Technology
- Category:
- Microcontrollers
- Package:
- 32-TQFP
- Description:
- IC MCU 8BIT 8KB FLASH 32TQFP
- Quantity:
Unit Price:$1.46
Ext Price:$2920.00
- Payment:
- Shipping:
Product Details
ATMEGA8A-AUR - 8-bit AVR Microcontroller 8KB Flash 16MHz (TQFP-32)
ATMEGA8A-AUR is a low-power 8-bit AVR microcontroller originally developed by Atmel (now part of Microchip Technology), featuring 8KB Flash memory, EEPROM, and rich peripheral integration. It is widely used in embedded control, consumer electronics, and industrial automation systems.
This page is written for product identification and engineering selection guidance. Always verify final limits using the manufacturer's latest datasheet revision for design sign-off.
Overview
ATMEGA8A-AUR is a versatile 8-bit microcontroller based on the AVR RISC architecture, offering a balance between performance, power efficiency, and ease of development. It integrates essential peripherals such as timers, ADC, USART, SPI, and I²C (TWI), making it suitable for a wide range of embedded applications.
With a maximum clock frequency of up to 16MHz and low power consumption modes, this device is well suited for both real-time control systems and battery-powered applications. Its mature ecosystem and broad community support make it a reliable choice for engineers and developers.
Key Advantages
Stable and widely supported platform with extensive development tools and libraries.
Includes ADC, timers, communication interfaces, reducing need for external components.
Multiple sleep modes enable efficient energy usage in battery-powered systems.
Supported by common toolchains such as AVR-GCC and development platforms like Arduino.
Feature Summary
8KB programmable Flash for application code storage.
Includes on-chip SRAM and EEPROM for data storage and configuration.
Up to 16MHz operation for real-time processing tasks.
10-bit ADC for sensor interfacing and analog signal acquisition.
Package & Footprint
The ATMEGA8A-AUR is provided in a TQFP-32 surface-mount package, suitable for compact PCB designs and automated manufacturing processes.
- Ensure proper decoupling capacitors near VCC pins.
- Keep crystal oscillator traces short if using external clock.
- Follow grounding best practices for ADC accuracy.
Note: Refer to datasheet for exact footprint and layout recommendations.
Pin Functions
The ATMEGA8A-AUR provides multiple GPIOs and peripheral interfaces grouped into ports.
Always verify alternate pin functions and multiplexing in the datasheet.
Key Specifications
| Device Type | 8-bit AVR Microcontroller |
|---|---|
| Flash Memory | 8KB |
| SRAM | 1KB |
| EEPROM | 512B |
| Clock Speed | Up to 16MHz |
| ADC | 10-bit ADC |
| Interfaces | USART, SPI, I²C (TWI) |
| Package | TQFP-32 |
| Operating Voltage | 2.7V – 5.5V |
| Operating Temperature | -40°C to +85°C |
Equivalent
Common alternatives to ATMEGA8A-AUR include similar 8-bit and entry-level MCUs:
Engineering note: Alternatives may differ in architecture, toolchain, and peripheral configuration. Firmware migration and system validation are required before replacement.
Manufacturer Information
Atmel, now part of Microchip Technology, is a leading provider of microcontrollers and embedded solutions, known for the AVR architecture and strong developer ecosystem.
- Core strengths: Microcontrollers, embedded systems, IoT solutions
- Typical markets: Consumer electronics, industrial automation, IoT
- Engineering resources: Development tools, software libraries, reference designs
Applications
The ATMEGA8A-AUR is widely used in embedded control and automation systems:
Embedded Control Systems
Used for real-time control and automation tasks.
Consumer Electronics
Applied in household appliances and small electronic devices.
IoT Devices
Supports basic connectivity and sensor interfacing in IoT nodes.
Industrial Automation
Used in monitoring, control, and interface systems.
Quality & Authenticity
- Incoming inspection: marking and package verification
- Traceability: full supply chain tracking
- Anti-counterfeit: recommended for MCU components
FAQ
Is ATMEGA8A-AUR compatible with Arduino?
Can it replace ATMEGA328P?
Is it suitable for new designs?
Disclaimer
ATMEGA8A-AUR Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Package/Case:
- 32-TQFP
- Series:
- AVR® ATmega
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- AVR
- Core Size:
- 8-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 23
- Program Memory Size:
- 8KB (4K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 512 x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
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