ATMEGA328P-MN

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ATMEGA328P-MN

IC MCU 8BIT 32KB FLASH 32VQFN

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Thông số kỹ thuật

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 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 ~ 105°C (TA)
MountingType Surface Mount
Package/Case 32-VFQFN Exposed Pad

Tổng quan

Description

The ATmega328P-MN is an 8-bit microcontroller from Microchip Technology, widely used in embedded systems and hobbyist projects, notably in Arduino boards. It features a 16 MHz clock speed, 32 KB of Flash memory for program storage, 2 KB of SRAM, and 1 KB of EEPROM for non-volatile data storage. The ATmega328P-MN has 23 programmable I/O pins, which can be used for digital input and output, as well as analog-to-digital conversion (with 6 ADC channels).
Additionally, it includes a variety of integrated peripherals such as timers, USART, SPI, and I2C interfaces, enhancing its versatility for various applications. The microcontroller operates at a voltage range of 1.8V to 5.5V, making it suitable for low-power designs. Its compact form factor and ease of use have made it a popular choice for prototyping and educational purposes. With a rich ecosystem of libraries and community support, the ATmega328P-MN is an excellent starting point for both beginners and experienced developers in the world of microcontrollers.

Features

The ATmega328P-MN is a low-power 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring the following key specifications:
- Architecture: AVR 8-bit RISC
- Operating Voltage: 1.8V to 5.5V
- Flash Memory: 32 KB (with 1 KB bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Clock Speed: Up to 20 MHz
- I/O Pins: 23 digital I/O pins (of which 6 can be used as PWM outputs)
- ADC: 10-bit, 6-channel Analog-to-Digital Converter
- Timers: 3 timers (1 x 16-bit, 2 x 8-bit)
- Communication Interfaces: SPI, I2C (TWI), and UART
- Interrupts: 24 external interrupts
- Power Management: Various sleep modes
- Package Type: PDIP (Dual In-line Package), 28-pin
The ATmega328P-MN is widely used in applications requiring a compact and efficient microcontroller, such as in Arduino boards. It supports various programming languages and development tools, making it accessible for hobbyists and professionals alike.

Package

The ATmega328P-MN is a microcontroller packaged in a 28-pin DIP (Dual In-line Package) format. This package type allows for easy prototyping and soldering onto breadboards or PCB designs.

Pinout

The ATmega328P-MN is an 8-bit microcontroller from Microchip Technology, featuring 28 pins. Here are the key pin functions:
1. Digital I/O Pins (0-13): Configurable as input or output for general-purpose digital interfacing.
2. Analog Input Pins (A0-A5): Used for analog-to-digital conversion (ADC).
3. Power Pins:
- VCC: Supply voltage.
- GND: Ground.
- AVCC: Supply voltage for the analog part (typically connected to VCC).
- AREF: Reference voltage for analog measurements.
4. Reset Pin: External reset input.
5. Serial Communication:
- TX (Pin 1) and RX (Pin 0): Used for UART communication.
6. SPI Pins:
- MISO (Pin 18), MOSI (Pin 17), SCK (Pin 19): For SPI communication.
7. I2C Pins:
- SDA (Pin 20) and SCL (Pin 21) for I2C communication.
This microcontroller is widely used in embedded systems and projects, such as Arduino.

Manufacturer

The ATmega328P-MN is manufactured by Microchip Technology Inc., a prominent semiconductor company based in Chandler, Arizona, USA. Founded in 1989, Microchip specializes in microcontrollers, memory products, and analog semiconductors. The company is well-known for its extensive range of microcontroller products, particularly in the embedded systems market, and is recognized for its AVR architecture, which includes the ATmega series. Microchip serves various industries, including automotive, industrial, consumer, and communications, providing solutions for a wide array of applications, from simple embedded systems to complex computing tasks.

Application

The ATMEGA328P-MN is widely used in various application areas including:
1. Embedded Systems: Microcontroller projects for automation and control.
2. Consumer Electronics: Toys, gadgets, and home appliances.
3. Robotics: Motor control and sensor integration.
4. IoT Devices: Data collection and communication in smart devices.
5. Wearable Technology: Fitness trackers and health monitoring.
6. Prototyping: Rapid development of electronic designs using platforms like Arduino.

Equivalent

Equivalent products to the ATmega328P-MN include the ATmega168, ATmega32U4, and the ATmega88. These microcontrollers share similar architectures, features, and pin configurations, making them suitable alternatives depending on the specific application requirements, such as available memory and peripherals. Always check the datasheets for compatibility.

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