ATMEGA168A-AU

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ATMEGA168A-AU

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IC MCU 8BIT 16KB FLASH 32TQFP

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Specifications

Attribute Value
Package Bulk
Series AVR® ATmega
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 20MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 23
ProgramMemorySize 16KB (8K x 16)
ProgramMemoryType FLASH
EEPROMSize 512 x 8
RAMSize 1K x 8
Voltage-Supply(Vcc/Vdd) 1.8V ~ 5.5V
DataConverters A/D 8x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 32-TQFP

Overview

Description

The ATMEGA168A-AU is a microcontroller from the AVR family developed by Microchip Technology (formerly Atmel). It is an 8-bit processor based on the AVR architecture, featuring RISC (Reduced Instruction Set Computing) design for efficient processing. The chip is housed in a 32-pin TQFP package, making it suitable for compact applications.
Key features include 16KB of flash memory for code storage, 1KB of SRAM for data processing, and 512 bytes of EEPROM for non-volatile data storage. It operates at frequencies up to 20MHz with a supply voltage range from 1.8V to 5.5V, allowing flexibility in power consumption and speed.
The ATMEGA168A-AU offers a wide range of peripherals, including timers, USART, SPI, I2C interfaces, and an ADC, which make it ideal for embedded system applications. Its I/O pins are versatile, supporting digital, analog, and PWM functions.
Popular for its balance of performance and low power consumption, it is commonly used in consumer electronics, automotive applications, and DIY projects like Arduino, making it a versatile choice for engineers and hobbyists alike.

Equivalent

Equivalent products to the ATMEGA168A-AU chip include microcontrollers such as the ATMEGA328P-AUATMEGA88A-AU and PIC16F877A. These alternatives generally have similar features and capabilities, with variations in memory size, power consumption, and additional peripherals. When choosing an equivalent, consider your specific application requirements such as program memory, I/O pins, and performance needs.

Features

The ATMEGA168A-AU is an 8-bit microcontroller from the AVR family, designed by Microchip Technology. It features a RISC architecture that allows for fast operation with a clock speed of up to 20 MHz. The microcontroller is equipped with 16 KB of Flash memory, 1 KB of SRAM, and 512 bytes of EEPROM, providing substantial space for code and data storage. It supports various interfaces including I2C, SPI, and USART for versatile communication options. The device includes 23 I/O pins, which can be used for digital input/output functions. It also features six PWM channels and an 8-channel 10-bit ADC for analog input. The ATMEGA168A-AU supports a wide voltage range from 1.8V to 5.5V, making it suitable for low-power applications. Additional features include a watchdog timer, power-on reset, and brown-out detection, enhancing the reliability of embedded systems. Its compact TQFP-32 package makes it ideal for space-constrained applications. The ATMEGA168A-AU is well-suited for a variety of applications, including consumer electronics, industrial automation, and home automation systems.

Pinout

The ATMEGA168A-AU is a microcontroller from the Atmel AVR family, housed in a TQFP (Thin Quad Flat Package) with 32 pins. It is an 8-bit microcontroller with the following key features:
1. Pin Count: 32 pins.
2. Core: AVR 8-bit RISC architecture.
3. Flash Memory: 16KB, In-System Programmable Flash.
4. SRAM: 1KB.
5. EEPROM: 512 bytes.
6. Clock Speed: Up to 20 MHz.
7. I/O Pins: 23 general-purpose I/O pins.
8. Peripherals:
- 1x 16-bit Timer/Counter.
- 2x 8-bit Timer/Counters.
- 6-channel 10-bit ADC.
- USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter).
- SPI (Serial Peripheral Interface).
- I2C compatible 2-wire serial interface.
- PWM (Pulse Width Modulation).
- Watchdog Timer with separate on-chip oscillator.
- Analog Comparator.
9. Power Supply: 1.8V to 5.5V.
The ATMEGA168A-AU is suitable for a wide range of applications including consumer electronics, industrial automation, and embedded systems due to its versatility and efficient power management.

Manufacturer

The ATMEGA168A-AU is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company specializes in developing and producing semiconductors and integrated circuits for use in a wide range of applications, including automotive, consumer electronics, industrial equipment, and communications. Microchip is known for its focus on innovation, quality, and support, providing solutions that enable secure and reliable electronic products.

Application

The ATMEGA168A-AU microcontroller is used in a variety of applications due to its flexibility and performance. Common application areas include embedded systems, consumer electronics, automotive applications, and home automation. It's frequently utilized in Arduino projects, providing a robust platform for hobbyists and prototypers. The microcontroller is also found in industrial automation systems, where it helps manage sensors and controls. Additionally, it's used in smart devices, medical equipment, and communication systems. Its low power consumption and compact size make it suitable for battery-powered and space-constrained applications.

Package

The ATMEGA168A-AU is a microcontroller from Microchip's AVR family, packaged in a 32-pin TQFP (Thin Quad Flat Pack) form. This surface-mount package is compact, making it suitable for applications requiring high-density board layouts.

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