ATMEGA128A-AU

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ATMEGA128A-AU

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ATMEGA128A - AVR RISC MICROCONTR

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Specifications

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Overview

Description

The ATmega128A-AU is an 8-bit microcontroller from Microchip Technology, based on the AVR enhanced RISC architecture. It is part of the ATmega series and is designed for high performance with low power consumption. The microcontroller operates at a maximum clock speed of 16 MHz and features 128 KB of in-system programmable flash memory, 4 KB EEPROM, and 4 KB SRAM.
It includes a rich set of peripherals, such as two 8-bit and two 16-bit timers, a Real-Time Counter (RTC), a Watchdog Timer, multiple USARTs, an SPI interface, a two-wire serial interface (I2C), and an ADC with 8 or 10-bit resolution. The device supports various power-saving modes, making it suitable for battery-powered applications.
The microcontroller is housed in a 64-pin TQFP package and is widely used in embedded systems for applications such as consumer electronics, industrial automation, and robotics. Its compatibility with the AVR programming environment and broad community support makes it a popular choice among developers and hobbyists.

Equivalent

The ATMEGA128A-AU is an 8-bit microcontroller from Microchip Technology (formerly Atmel). Equivalent products can include other AVR series microcontrollers with similar features and pin configurations, such as the ATMEGA128L, ATMEGA644, and ATMEGA1284. Additionally, microcontrollers from other brands with similar specs can be considered, like the PIC18 series from Microchip or the MSP430 series from Texas Instruments. However, ensure compatibility with your specific application requirements before substituting.

Features

The ATMEGA128A-AU is an 8-bit microcontroller from Microchip Technology, based on the AVR RISC architecture. It features 128KB of in-system programmable flash memory, 4KB of EEPROM, and 4KB of SRAM. The microcontroller operates at a maximum clock speed of 16 MHz. It offers 53 general-purpose I/O pins, allowing for versatile interfacing with external components.
The device supports multiple communication protocols, including USART, SPI, and I2C, enhancing connectivity options. It also includes timers/counters, both 8-bit and 16-bit, which assist in precise timing operations. With a built-in analog comparator and a 10-bit ADC (Analog to Digital Converter) with up to 8 channels, the ATMEGA128A-AU is suitable for applications requiring analog signal processing.
Additional features include power-saving modes, a JTAG interface for debugging, and a watchdog timer to enhance reliability. The microcontroller operates over a voltage range of 2.7V to 5.5V, making it compatible with various power supply configurations, and is available in a TQFP-64 package. These features make it ideal for embedded systems requiring robust performance and flexibility.

Pinout

The ATmega128A-AU is a microcontroller from the AVR family, produced by Microchip Technology. It comes in a 64-pin TQFP (Thin Quad Flat Pack) package. This microcontroller features a wide range of functionalities, suitable for various embedded applications. Key features include:
1. Pin Count: 64 pins.
2. Memory: 128KB of Flash memory, 4KB of EEPROM, and 4KB of SRAM.
3. I/O Ports: 53 programmable I/O lines, providing flexibility in connecting to other devices or components.
4. Timers: Six PWM channels, four 16-bit timers/counters, and two 8-bit timers/counters.
5. Communication Interfaces: Two USARTs, an SPI port, and a TWI (compatible with I2C) interface for serial communication.
6. ADC: An 8-channel, 10-bit analog-to-digital converter.
7. Interrupts: External and pin change interrupts.
8. Operating Voltage: 2.7V to 5.5V.
9. Operating Frequency: Up to 16 MHz.
These features make the ATmega128A-AU suitable for a variety of applications, including industrial control systems, consumer electronics, and data logging systems.

Manufacturer

The ATMEGA128A-AU is manufactured by Microchip Technology Inc. This company is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Microchip Technology specializes in producing a wide range of semiconductor products that cater to various industries, including automotive, industrial, consumer, aerospace, and telecommunications, among others. The company has a reputation for delivering reliable and high-performance integrated circuits and embedded control solutions, often utilized in the development of electronic applications and systems.

Application

The ATMEGA128A-AU is a versatile microcontroller used in various applications due to its robust features. Key application areas include:
1. Embedded Systems: Utilized in consumer electronics and industrial controls for managing tasks efficiently.
2. Automotive: Used for engine controls, infotainment systems, and other automotive electronics.
3. IoT Devices: Powers smart devices and sensors for data acquisition and processing.
4. Robotics: Serves as the brain for robotic applications requiring real-time processing.
5. Home Automation: Controls and automates appliances and lighting systems.
6. Medical Devices: Used in portable medical equipment for monitoring and diagnostics.
7. Educational Projects: Popular in academic settings for teaching microcontroller programming.
The ATMEGA128A-AU's flexibility and performance make it suitable for a wide range of applications.

Package

The ATMEGA128A-AU is a microcontroller from Microchip Technology, housed in a TQFP (Thin Quad Flat Pack) package. Specifically, it is a 64-pin TQFP, which is compact and suitable for surface-mount technology applications.

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