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ATMEGA328P-MUR

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

IC MCU 8BIT 32KB FLASH 32VQFN

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Mfr。パート #ATMEGA328P-MUR
パッケージ VQFN-32
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
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 8x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	32-VFQFN Exposed Pad

概要

Description

The ATmega328P-MUR is an 8-bit microcontroller from Atmel, now part of Microchip Technology. It belongs to the AVR family and is widely used in embedded systems, notably in Arduino boards. The chip features 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM, making it suitable for various applications, including robotics, home automation, and sensor management.
Operating at a maximum clock speed of 20 MHz, it has 23 programmable I/O lines, six analog inputs, and several communication interfaces such as UART, SPI, and I2C. The ATmega328P-MUR is known for its low power consumption, making it ideal for battery-operated devices.
It supports various power-saving modes, ensuring efficient energy management. Its simplicity, coupled with extensive community support and availability of development platforms like Arduino, makes the ATmega328P-MUR a popular choice for both beginners and experienced developers in the field of electronics and programming.

Features

The ATmega328P-MUR is an 8-bit AVR microcontroller from Microchip Technology, widely used in embedded applications. Key features include:
1. Architecture: 8-bit AVR RISC architecture with a 32x8 general-purpose working register file.
2. Memory: 32 KB Flash memory for program storage, 2 KB SRAM, and 1 KB EEPROM.
3. Clock Speed: Operates at a maximum clock speed of 20 MHz.
4. I/O Pins: 23 programmable I/O lines.
5. Timers: Three 16-bit timers/counters for precise timing operations.
6. ADC: 10-bit ADC with up to 8 channels for analog signal processing.
7. Communication: Supports UART, SPI, and I2C interfaces for serial communication.
8. Low Power Modes: Multiple low-power modes for energy-efficient applications.
9. Package: Available in 28-pin PDIP, TQFP, and MLF packages.
These features make the ATmega328P-MUR suitable for a variety of applications, including hobbyist projects and commercial products.

Package

The ATMEGA328P-MUR is typically available in a 32-pin TQFP (Thin Quad Flat Package) or a 28-pin PDIP (Plastic Dual In-line Package). The specific package may vary based on the variant, so it's essential to verify the product details for the exact package type.

Pinout

The ATmega328P-MUR is an 8-bit microcontroller from Microchip Technology, featuring 32 pins in a 32-pin TQFP or 28-pin DIP package. Here are the main pin functions:
1. Digital I/O: Pins 0-13 are configurable as digital input/output.
2. Analog Inputs: Pins A0-A5 (ADC0-ADC5) serve as analog inputs for the 10-bit ADC.
3. Power: Vcc (Power supply) and GND (Ground) pins.
4. Reset: A dedicated Reset pin to initialize the microcontroller.
5. Communication Interfaces: UART (TX/RX), SPI (MISO/MOSI/SCK), and I²C (SDA/SCL) capabilities.
6. Timer/Counters: PWM outputs from certain digital pins.
7. Crystal Oscillator: Connects an external oscillator or resonator.
8. ISP Interface: For programming the microcontroller in-circuit.
The ATmega328P-MUR is commonly used in applications like Arduino boards, making it popular for hobbyists and embedded systems.

Manufacturer

The ATmega328P-MUR is manufactured by Microchip Technology Inc., an American semiconductor company. Microchip specializes in the design and production of microcontroller and microprocessor solutions, as well as a wide range of analog and interface products. They are known for their development tools, software, and embedded solutions, catering to various sectors including automotive, industrial, consumer electronics, and communications. Microchip’s products are widely used in embedded systems, with the ATmega328P being particularly popular in hobbyist and educational projects, notably in Arduino boards. The company focuses on providing innovative, high-performance, and cost-effective solutions for embedded applications.

Application

The ATmega328P-MUR microcontroller is widely used in embedded systems for applications such as home automation, robotics, wearable devices, sensor monitoring, and communication systems. Its versatility makes it suitable for DIY projects, educational purposes, and prototyping due to its low power consumption, ease of programming, and compatibility with the Arduino platform. It is also used in consumer electronics, data logging, and control systems.

Equivalent

Equivalent products to the ATmega328P-MUR include the Microchip ATmega168, ATmega32U4, and ATtiny85. Other alternatives are the Silicon Labs EFM8 series and NXP LPC810. For specific applications, consider the STM32F0 series or PIC16F series from Microchip. Always check pin compatibility and features to ensure suitability for your project.