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ATMEGA328P-PU

Name: ATMEGA328P-PU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 28DIP

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Mfr。パート #ATMEGA328P-PU
パッケージ DIP-28
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仕様

Package	Tube
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	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 6x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Through Hole
Package/Case	28-DIP (0.300, 7.62mm)

概要

Description

The ATmega328P-PU is an 8-bit microcontroller from Atmel's AVR family, commonly used in hobbyist and professional applications, notably as the core of Arduino Uno boards. It features a 16 MHz clock speed, 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM, making it suitable for a variety of embedded projects.
Key features include 23 general-purpose I/O pins, six 10-bit ADC channels, three timers, and USART for serial communication. It supports various operating modes, including sleep modes for power-saving. The microcontroller is programmed using the Arduino IDE, which simplifies development with a rich library ecosystem.
The ATmega328P-PU operates at a voltage range of 1.8V to 5.5V, making it versatile for low-power applications. Its compact size and robust features make it ideal for DIY electronics, robotics, and IoT projects. The device's popularity is bolstered by a strong community and ample resources for beginners.

Features

The ATmega328P-PU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) based on the AVR architecture. Key features include:
- CPU Speed: Operates at up to 20 MHz.
- Flash Memory: 32 KB of in-system programmable flash memory.
- SRAM: 2 KB of SRAM.
- EEPROM: 1 KB of EEPROM for non-volatile storage.
- I/O Ports: 23 programmable I/O lines.
- Timers: Three timers (two 8-bit and one 16-bit) for various timing functions.
- ADC: 10-bit analog-to-digital converter with 6 channels.
- Communication Interfaces: Supports UART, SPI, and I2C for serial communication.
- Interrupts: external and internal interrupts for responsive control.
- Operating Voltage: 1.8V to 5.5V.
- Power Consumption: Low power consumption in sleep modes.
- Package: Available in a DIP (Dual In-line Package) format for easy prototyping.
The ATmega328P-PU is widely used in Arduino projects and embedded systems due to its versatility and ease of use.

Package

The ATMEGA328P-PU is packaged in a 28-pin Dual In-line Package (DIP). This through-hole package type is designed for easy integration into breadboards and circuit boards, making it suitable for prototyping and educational purposes.

Pinout

The ATmega328P-PU is an 8-bit microcontroller from the AVR family, featuring a 28-pin Dual In-line Package (DIP).
Pin Count: 28 pins
Key Functions:
- Digital I/O: 23 general-purpose I/O pins (some can serve as PWM outputs).
- Analog Inputs: 6 channels of 10-bit ADC (Analog-to-Digital Converter).
- Timers: 3 timers (two 8-bit and one 16-bit) for generating PWM and managing time.
- Communication: SPI, I2C (TWI), and USART for serial communication.
- Reset: One reset pin for hardware reset.
- Power Supply: Operates with a voltage range of 1.8V to 5.5V.
The ATmega328P-PU is widely used in applications like Arduino boards and is favored for its ease of use, low power consumption, and versatility in embedded systems.

Manufacturer

The ATmega328P-PU is manufactured by Microchip Technology Inc., a leading semiconductor company headquartered in Chandler, Arizona, USA. Microchip specializes in designing and manufacturing a wide range of microcontrollers, analog semiconductors, and memory products. They cater to various industries, including automotive, industrial, consumer, and communications. Microchip is well-known for its efficient and user-friendly microcontroller solutions, particularly the PIC and AVR families, which are popular among hobbyists and professionals alike. The ATmega328P-PU is notably used in Arduino boards, making it a widely recognized component in the maker and electronics communities.

Application

The ATmega328P-PU is commonly used in embedded systems for applications such as Arduino projects, robotics, home automation, sensor interfacing, and wearable devices. Its low power consumption and versatility make it suitable for remote monitoring, data logging, motor control, and educational purposes in electronics and programming.

Equivalent

Equivalent products to the ATmega328P-PU include the ATmega168P, ATmega88P, and ATmega32U4. Additionally, other microcontrollers like the PIC16F877A from Microchip and the STM32F031K6 from STMicroelectronics can serve similar functions, although they may have different architectures and peripherals. Be sure to check compatibility in terms of pin layout, memory, and functionalities for specific applications.