When it comes to microcontrollers, the Microchip ATMEGA8A-AUR stands out for its reliable performance and versatile features. This 8-bit AVR RISC MCU is designed for a wide range of applications, offering 8KB of flash memory and 1KB of RAM, all packed into a convenient 32-pin TQFP package. In this comprehensive article, we'll delve into the intricacies of the ATMEGA8A-AUR, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
The ATMEGA8A-AUR is part of Microchip's ATmega family of microcontrollers. It's an 8-bit AVR RISC microcontroller that offers a high-performance computing solution for various embedded applications. Designed using CMOS process technology, the ATMEGA8A-AUR supports a maximum CPU frequency of 16 MHz, enabling quick computations and responsive processing for various tasks.
Let's delve into the standout features that make the ATMEGA8A-AUR a standout in the world of electronics:
· The ATMEGA8A-AUR offers 8KB Flash memory, providing enough space for small to medium-sized applications.
· It includes 1KB RAM, adequate for basic to moderate computing tasks.
· With a 16 MHz maximum CPU frequency, it provides sufficient speed for many embedded systems.
· The microcontroller comes with 23 I/O pins, enabling flexible connection to sensors, actuators, and other peripherals.
· Equipped with three timers (8-bit, 8-bit, and 16-bit resolution), it also supports three PWM channels for efficient signal processing.
· The microcontroller includes a single 10-bit ADC with 8 channels, ideal for interfacing with analog sensors.
· The ATMEGA8A-AUR supports SPI, TWI, and USART, providing robust communication capabilities for embedded systems.
· It includes a watchdog timer to prevent system failure due to software glitches.
Now, let's take a closer look at the technical specifications that define the capabilities of the ATMEGA8A-AUR:
Type | Parameter |
Family Name | ATmega |
Instruction Set Architecture | RISC |
Device Core | AVR |
Core Architecture | AVR |
Maximum CPU Frequency (MHz) | 16 |
Maximum Clock Rate (MHz) | 16 |
Data Bus Width (bit) | 8 |
Program Memory Type | Flash |
Program Memory Size | 8KB |
RAM Size | 1KB |
Maximum Expanded Memory Size | 64KB |
Programmability | Yes |
Process Technology | CMOS |
Interface Type | SPI/TWI/USART |
Number of I/Os | 23 |
No. of Timers | 3 |
Timers Resolution (bit) | 8/8/16 |
PWM | 3 |
Number of ADCs | Single |
ADC Channels | 8 |
ADC Resolution (bit) | 10 |
USART | 1 |
UART | 0 |
USB | 0 |
SPI | 1 |
I2C | 0 |
I2S | 0 |
CAN | 0 |
Ethernet | 0 |
Watchdog | 1 |
Analog Comparators | 1 |
Parallel Master Port | No |
Real Time Clock | No |
Minimum Operating Supply Voltage (V) | 2.7 |
Typical Operating Supply Voltage (V) | 3.3|5 |
Maximum Operating Supply Voltage (V) | 5.5 |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 85 |
Supplier Temperature Grade | Industrial |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 1.05(Max) |
Package Width | 7 |
Package Length | 7 |
PCB changed | 32 |
Standard Package Name | QFP |
Supplier Package | TQFP |
Pin Count | 32 |
Lead Shape | Gull-wing |
The versatility of the ATMEGA8A-AUR allows it to be used in a wide range of electronics applications, including:
· Consumer Electronics: Ideal for small home appliances, toys, and gadgets where a low-power, reliable MCU is needed.
· Industrial Control Systems: Its industrial-grade temperature tolerance makes it perfect for controlling sensors, actuators, and other devices in harsh environments.
· Robotics: With multiple I/O pins, PWM channels, and ADC capabilities, it's a great choice for embedded robotic control systems.
· Automated Systems: The ATMEGA8A-AUR can be used in automation projects like motor controllers, lighting systems, and more.
· Prototyping: It's an excellent choice for engineers and hobbyists developing prototypes due to its ease of use and flexible features.
Microchip Technology, a global leader in the semiconductor industry, stands at the forefront of innovation, consistently pushing the boundaries of technology to create solutions that power the interconnected world. With a rich history dating back to 1989, Microchip has become synonymous with cutting-edge microcontroller and analog products. Renowned for its commitment to quality, reliability, and customer satisfaction, the company offers a comprehensive portfolio of integrated circuits and embedded solutions. Microchip's diverse range of products caters to a wide array of industries, including automotive, industrial, consumer electronics, and healthcare.
In conclusion, the ATMEGA8A-AUR is a powerful and versatile 8-bit microcontroller that offers an ideal combination of speed, power, and flexibility. With its 8KB Flash memory, 1KB RAM, and robust communication capabilities, it can be used in a variety of applications, ranging from consumer electronics to industrial systems.