ATMEGA328P-MU

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ATMEGA328P-MU

IC MCU 8BIT 32KB FLASH 32VQFN

  • Manufacturer
  • Mfr. Part #ATMEGA328P-MU
  • Package VQFN-32
  • Datasheet
  • In Stock6076

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Specifications

Package Tray
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

Overview

Description

The ATmega328P-MU is a microcontroller from Atmel (now part of Microchip Technology) that belongs to the AVR family. It features a 8-bit AVR RISC architecture, operating at a maximum clock speed of 20 MHz. The ATmega328P-MU includes 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM, making it suitable for a variety of embedded applications.
This microcontroller has 23 programmable I/O pins, supports various communication protocols including UART, SPI, and I2C, and offers several built-in peripherals like timers, an analog-to-digital converter (ADC), and interrupts. Its low power consumption and flexible power management features make it ideal for battery-operated devices.
The ATmega328P-MU is widely utilized in hobbyist projects, particularly in Arduino boards like the Arduino Uno, due to its ease of use and extensive community support. Its versatility allows it to be employed in diverse applications ranging from simple sensor-based projects to complex control systems.

Features

The ATmega328P-MU is a low-power 8-bit microcontroller from the AVR family, commonly used in embedded systems and Arduino projects. Key features include:
- Architecture: 8-bit RISC architecture with 32 general-purpose registers.
- Memory: 32 KB of Flash memory for program storage, 2 KB of SRAM, and 1 KB of EEPROM.
- Clock Speed: Operates at up to 20 MHz.
- I/O Ports: 23 programmable I/O lines.
- ADC: 10-bit resolution Analog-to-Digital Converter with 6 channels.
- Timers: Three timers/counters; two 8-bit and one 16-bit.
- Communication: Supports SPI, I2C, and USART for serial communication.
- Interrupts: External and internal interrupt capabilities.
- Operating Voltage: 1.8V to 5.5V.
- Low Power Modes: Multiple sleep modes for power efficiency.
These features make the ATmega328P-MU suitable for applications in robotics, automation, and various consumer electronics.

Package

The ATmega328P-MU is packaged in a 32-lead QFN (Quad Flat No-lead) package, which is a compact surface-mount form factor. This package type allows for efficient heat dissipation and a smaller footprint on PCBs, making it suitable for space-constrained applications.

Pinout

The ATmega328P-MU is a microcontroller from the Atmel (now part of Microchip Technology) AVR family. It features a 32-pin QFN package with a pin count of 32.
Key functions of the pins include:
- Digital I/O: 23 general-purpose I/O pins.
- Analog Input: 6 channels of 10-bit ADC.
- Communication:
- 1 UART (TX, RX)
- 1 SPI (MOSI, MISO, SCK)
- 1 I2C (SDA, SCL)
- Timers/Counters:
- 3 Timer/Counters (two 8-bit and one 16-bit).
- Reset: 1 pin for external reset.
- Power Supply: VCC and GND pins.
The ATmega328P-MU operates at a maximum clock speed of 20 MHz and has 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM. It is widely used in various applications, including Arduino boards.

Manufacturer

The ATmega328P-MU is manufactured by Microchip Technology Inc., a leading semiconductor company. Founded in 1989, Microchip specializes in microcontrollers, memory, and analog semiconductors. The company is known for providing a wide range of embedded control solutions, primarily targeting the automotive, industrial, and consumer markets. The ATmega328P-MU is particularly popular in the maker and hobbyist communities due to its use in platforms like Arduino, which facilitates easy prototyping and development in various electronic projects. Microchip's commitment to innovation and customer support has established it as a significant player in the semiconductor industry.

Application

The ATmega328P-MU is commonly used in applications such as embedded systems, microcontroller-based projects, robotics, home automation, and Internet of Things (IoT) devices. It is popular in Arduino boards, enabling educational projects, prototyping, and hobbyist applications. Additionally, it is suitable for sensor interfacing, data logging, and control systems in various industries, including automotive and consumer electronics.

Equivalent

Equivalent products to the ATmega328P-MU include the ATmega168, ATmega32U4, and ATmega8. Other alternatives are low-power microcontrollers like the PIC16F84A from Microchip and theSTM32F030 from STMicroelectronics. For specific applications, consider the ESP8266 or ESP32 for added Wi-Fi capabilities. Always check specifications for pin compatibility and feature sets before substitution.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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