ATMEGA328P-PU

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ATMEGA328P-PU

+Nomenclature

IC MCU 8BIT 32KB FLASH 28DIP

  • FabricantTechnologie de micropuce

  • Pièce fabricant #ATMEGA328P-PU

  • Package DIP-28

  • En stock4204

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Spécifications

Attribut Valeur
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)

Présentation

Description

The ATMEGA328P-PU is an 8-bit microcontroller from Microchip Technology, widely used in embedded systems and hobbyist projects such as Arduino. It features a low power CMOS 8-bit AVR RISC architecture, which provides a balance between performance and power efficiency. The microcontroller operates at a maximum clock speed of 20 MHz and includes 32KB of Flash memory for program storage, 2KB of SRAM for data, and 1KB of EEPROM for non-volatile data retention.
Key features include 23 programmable I/O lines, 6-channel 10-bit ADC, timers, PWM, USART, SPI, and I2C interfaces. It supports a wide voltage range (1.8V to 5.5V), making it versatile for different applications. It also includes a range of power-saving modes and a watchdog timer for improved reliability.
The ATMEGA328P-PU is the core of popular development boards like the Arduino Uno, making it a favorite among hobbyists and educators for its ease of use and comprehensive community support. Its balance of features and performance makes it suitable for a wide range of applications, from simple DIY projects to more complex embedded systems.

Equivalent

Equivalent products to the ATMEGA328P-PU microcontroller include the Microchip ATMEGA328PB, NXP LPC1114FN28, STMicroelectronics STM32F030F4P6, and Cypress CY8C4245PVI-482. These alternatives offer similar features in terms of processing power, memory, and I/O capabilities, though specific peripheral differences may exist. Always verify compatibility with your specific application requirements before choosing a substitute.

Features

The ATmega328P-PU is a microcontroller from Microchip Technology, popular for use in Arduino boards. Key features include:
1. Microcontroller Core: 8-bit AVR RISC architecture.
2. Operating Voltage: 1.8V to 5.5V.
3. Performance: 20 MIPS at 20 MHz.
4. Flash Memory: 32KB with read-while-write capabilities.
5. SRAM: 2KB.
6. EEPROM: 1KB.
7. I/O Pins: 23 general-purpose I/O pins.
8. Timers: Three timer/counters (two 8-bit and one 16-bit).
9. ADC: 10-bit, 6-channel ADC.
10. PWM: 6 PWM channels.
11. Communication Interfaces: USART, SPI, and I²C (TWI).
12. Watchdog Timer: Programmable with an internal oscillator.
13. Interrupts: External and pin change interrupts.
14. Sleep Modes: Multiple power-saving modes.
15. Package: 28-pin PDIP.
The ATmega328P-PU is valued for its versatility and ease of use, especially in hobbyist projects and educational settings. Its compatibility with the Arduino platform makes it a preferred choice for prototyping and development.

Pinout

The ATmega328P-PU is a microcontroller from Microchip Technology with a 28-pin dual in-line package (DIP). This microcontroller is based on the AVR architecture and is commonly used in Arduino boards, specifically the Arduino Uno.
Key functions and pin configurations include:
1. Digital I/O Pins (14): Used for digital input and output operations, numbered D0 to D13.
2. Analog Input Pins (6): Used for analog input, numbered A0 to A5.
3. PWM Outputs (6): Digital pins D3, D5, D6, D9, D10, D11 can be used for Pulse Width Modulation.
4. UART (1): Used for serial communication, primarily on pins D0 (RX) and D1 (TX).
5. SPI Interface (1): Provides high-speed synchronous data transfer, using pins D10 (SS), D11 (MOSI), D12 (MISO), and D13 (SCK).
6. I2C Interface (1): For communication with other I2C devices via pins A4 (SDA) and A5 (SCL).
7. Power Pins: VCC, GND, AVCC (for analog supply voltage), and AREF (analog reference voltage).
8. Reset Pin (1): Used to reset the microcontroller.
The ATmega328P-PU is popular due to its versatility, ease of use, and robust feature set for embedded applications.

Manufacturer

The ATMEGA328P-PU is manufactured by Microchip Technology Inc. Microchip Technology is a public American corporation that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. The company is a prominent player in the semiconductor industry and provides a wide range of embedded control solutions. Originally, the ATMEGA328P was developed by Atmel Corporation, which was acquired by Microchip Technology in 2016. This acquisition expanded Microchip's portfolio and strengthened its position in the microcontroller market. Microchip's products are widely used in various applications, including automotive, industrial, consumer electronics, and communications.

Application

The ATMEGA328P-PU is a versatile microcontroller commonly used in various applications. It's popular in DIY electronics and education, often found in Arduino boards. Its applications include embedded systems, IoT devices, and home automation. It's used in sensor data acquisition, motor control, and robotics due to its efficient processing and I/O capabilities. Additionally, it's employed in consumer electronics for managing simple control tasks, like LED management and basic interface controls. Its low power consumption makes it suitable for battery-operated devices. Overall, the ATMEGA328P-PU is a robust choice for projects requiring a reliable and cost-effective microcontroller.

Package

The ATMEGA328P-PU is a microcontroller in a 28-pin Dual In-line Package (DIP), commonly used for through-hole mounting. This package type is suitable for prototyping and educational purposes due to its ease of use with breadboards and socketed PCBs.

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