ATMEGA168PA

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ATMEGA168PA

8-bit Microcontrollers - MCU Root Part:AVR, 16KB FLASH, 512B EE, 1KB

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Description

The ATmega168PA is a popular 8-bit microcontroller from Microchip Technology, part of the AVR family. It features a 16 MHz clock speed, 16 KB of Flash memory, 1 KB of SRAM, and 512 bytes of EEPROM, making it suitable for a wide range of applications, from simple projects to more complex tasks.
This microcontroller has 23 general-purpose I/O pins, which can be configured for various functions, including analog inputs (with an integrated 10-bit ADC), timers, and communication interfaces such as USART, SPI, and I2C. The ATmega168PA is relatively power-efficient, with several sleep modes, making it ideal for battery-operated devices.
Programming the ATmega168PA can be done in C or assembly using the Arduino platform or Atmel Studio. Its compactness, programmability, and ease of use have made it a favorite among hobbyists and professionals for developing embedded systems, robotics, and IoT applications. Overall, the ATmega168PA offers a robust combination of features and performance for diverse electronics projects.

Features

The ATmega168PA is a low-power, 8-bit microcontroller from the AVR family, featuring:
- Flash Memory: 16 KB for program storage.
- SRAM: 1 KB for data storage.
- EEPROM: 512 bytes for non-volatile data storage.
- Operating Frequency: Up to 20 MHz.
- I/O Pins: 23 general-purpose I/O pins.
- Timers: Two 8-bit and one 16-bit timer/counter.
- ADC: 10-bit analog-to-digital converter with 8 channels.
- Communication Interfaces: UART, SPI, and I2C (TWI).
- Interrupts: External and internal interrupt capabilities.
- Power Consumption: Low power modes for energy-efficient applications.
- Operating Voltage: 1.8V to 5.5V.
The ATmega168PA is well-suited for a variety of applications, including embedded systems, robotics, and sensor monitoring, making it a popular choice for hobbyists and professionals alike.

Package

The ATmega168PA is commonly available in several package types, including 28-pin dual in-line package (DIP), 32-pin thin quad flat package (TQFP), and 32-pin quad flat no-lead package (QFN). These options provide flexibility for different application requirements in terms of space and mounting techniques.

Pinout

The ATmega168PA is an 8-bit microcontroller from Atmel (now part of Microchip Technology) with a total of 28 pins. Here’s a concise breakdown of its pin configuration and functions:
1. Power Supply: Pins VCC (power) and GND (ground).
2. Digital I/O: 14 I/O pins (PB0-PB7, PD0-PD6) that can be configured as input or output.
3. Analog Inputs: 6 pins (ADC0-ADC5) that function as analog-to-digital converter inputs.
4. Reset: One reset pin (RESET) for hardware reset.
5. Crystal Oscillator: Pins XTAL1 and XTAL2 for connecting an external crystal oscillator.
6. Communication Interfaces:
- One USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter).
- One SPI (Serial Peripheral Interface).
- I²C (TWI) capability available through designated pins.
The ATmega168PA is widely used in embedded systems for its versatility and ease of integration.

Manufacturer

The ATmega168PA is manufactured by Microchip Technology Inc., an American public semiconductor company. Microchip specializes in embedded control solutions, particularly microcontrollers and microprocessors, as well as analog semiconductors. Founded in 1989, the company focuses on providing innovative products and services for various industries, including automotive, industrial, consumer electronics, and more. The ATmega168PA is part of the AVR microcontroller family, widely used in applications such as robotics, automation, and IoT devices due to its versatility and ease of use in development. Microchip is known for its commitment to quality and customer support within the semiconductor industry.

Application

The ATmega168PA microcontroller is widely used in various applications, including embedded systems, robotics, home automation, sensor interfacing, and IoT devices. It is suitable for projects requiring precise control and data processing, such as motor controllers, LED displays, and environmental monitoring systems. Additionally, it finds use in educational platforms for learning programming and electronics.

Equivalent

Equivalent products to the ATmega168PA include the ATmega168, ATmega328P, and ATmega88PA. These microcontrollers share similar architectures and features, such as 8-bit AVR architecture and comparable pin counts. The ATmega328P is notably found in Arduino Uno, offering enhanced functionality and memory options.

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