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ATMEGA329PA-AU

Name: ATMEGA329PA-AU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 64TQFP

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包 TQFP-64
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規格

Package	Tray
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	20MHz
Connectivity	SPI, UART/USART, USI
Peripherals	Brown-out Detect/Reset, LCD, POR, PWM, WDT
NumberofI/O	54
ProgramMemorySize	32KB (16K x 16)
ProgramMemoryType	FLASH
EEPROMSize	1K x 8
RAMSize	2K 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	64-TQFP

概述

Description

The ATmega329PA-AU is a low-power, 8-bit microcontroller from the Atmel (now part of Microchip Technology) AVR family. It features a 32KB Flash memory, 2KB SRAM, and 1KB EEPROM, making it suitable for a variety of embedded applications. The device operates at a maximum clock speed of 20 MHz and has a 10-bit ADC, which allows for precise analog-to-digital conversions.
It is equipped with multiple I/O ports, timers, and communication interfaces, including USART, SPI, and I2C, facilitating easy integration into various projects. The ATmega329PA-AU also supports various power-saving modes, extending battery life in portable applications.
The microcontroller is available in a 32-pin TQFP package, ideal for compact designs. Its flexibility and robust features make it a popular choice for hobbyists and professionals alike, particularly in automation, robotics, and sensor applications. Programming can be accomplished using C or assembly language, and it is compatible with the AVR programming tools.

Features

The ATmega329PA-AU is an 8-bit AVR microcontroller from Microchip Technology, featuring:
- Memory: 32 KB of Flash memory, 2 KB SRAM, and 1 KB EEPROM for data storage.
- Speed: Operates at a maximum clock speed of 20 MHz.
- I/O Ports: 32 general-purpose I/O pins, configurable for various functions.
- Timers: Three 16-bit timers/counters for precise timing and waveform generation.
- Analog: 10-bit ADC with up to 8 channels for analog signal processing.
- Communication: Supports USART, SPI, and I2C interfaces for serial communication.
- Low Power: Various power-saving modes for energy efficiency.
- Operating Voltage: 1.8V to 5.5V, making it suitable for battery-powered applications.
- Programmability: Supports in-system programming (ISP) and has a UART interface for debugging.
- Operating Temperature: Ranges from -40°C to +85°C.
This microcontroller is ideal for various applications, including embedded systems, consumer electronics, and automation projects.

Package

The ATmega329PA-AU microcontroller is available in a TQFP (Thin Quad Flat Package) with 32 pins. This package type offers a compact design suitable for surface mounting in various electronic applications.

Pinout

The ATmega329PA-AU is a microcontroller from Microchip's ATmega series, featuring a 32-pin TQFP package. It includes various functionalities such as:
- Digital I/O Pins: 23 programmable I/O pins.
- Analog Inputs: 8-channel 10-bit ADC.
- Timers: 3 Timer/Counters (2 with PWM capability).
- Communication Interfaces:
- 1 USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter).
- 1 SPI (Serial Peripheral Interface).
- 1 I2C (TWI - Two Wire Interface).
- External Interrupts: 5 external interrupt sources.
- Flash Memory: 32 KB for program storage.
- EEPROM: 2 KB for non-volatile data storage.
- SRAM: 2 KB for data storage.
- Operating Voltage: 1.8V to 5.5V.
This versatile microcontroller is suitable for various embedded applications, combining processing power with multiple I/O options.

Manufacturer

The ATMEGA329PA-AU is manufactured by Microchip Technology Inc., a leading semiconductor company. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in developing microcontrollers, mixed-signal, analog, and flash-IP solutions for various applications. The company is known for its extensive portfolio of microcontrollers, including the popular PIC and AVR families, which are widely used in embedded systems, industrial automation, automotive applications, and consumer electronics. Microchip emphasizes innovation and offers a range of development tools and support services to assist engineers in designing and implementing their products.

Application

The ATmega329PA-AU microcontroller is commonly used in embedded systems for applications such as:
1. Industrial Automation: Control systems and monitoring devices.
2. Home Automation: Smart home devices and sensors.
3. Consumer Electronics: Remote controls and wearable devices.
4. Data Acquisition: Sensors and data logging systems.
5. Motor Control: Robotics and automation equipment.
6. Medical Devices: Monitoring and control systems in healthcare.

Its versatility and low power consumption make it suitable for diverse applications.

Equivalent

The ATMEGA329PA-AU is part of the AVR microcontroller family. Equivalent products include the ATMEGA329P, ATMEGA2560, and ATMEGA1284P, which share similar features and architectures. Additionally, ATMEGA32U4 and ATMEGA48P may be considered based on specific application needs, though they differ in I/O and memory configurations. Always check specific datasheets for compatibility in pin configuration and features.