ATMEGA328P-MMHR

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ATMEGA328P-MMHR

IC MCU 8BIT 32KB FLASH 28VQFN

  • Manufacturer
  • Mfr. Part #ATMEGA328P-MMHR
  • Package VQFN-28
  • Datasheet
  • In Stock4030

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Specifications

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 28-VFQFN Exposed Pad

Overview

Description

The ATmega328P-MMHR is a microcontroller from Microchip Technology, part of the AVR family, widely known for its use in Arduino boards, particularly the Arduino Uno. This 8-bit microcontroller features 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM, making it suitable for various embedded applications. It operates at a maximum clock speed of 20 MHz and offers 23 general-purpose I/O pins, 6 analog inputs, and multiple communication interfaces, including SPI, USART, and I2C.
The ATmega328P is known for its low power consumption and versatile programming options, supporting both in-system programming (ISP) and bootloading. Its robust architecture and extensive community support make it a popular choice for hobbyists and professionals alike in projects ranging from simple sensors to complex automation systems. The device also includes various timers, PWM outputs, and an internal watchdog timer, enhancing its functionality for real-time applications.

Features

The ATmega328P-MMHR is a high-performance 8-bit microcontroller from the AVR family, widely used in embedded systems. Key features include:
1. Architecture: 8-bit AVR RISC architecture with 32 general-purpose registers.
2. Clock Speed: Operates at up to 20 MHz.
3. Memory:
- 32 KB of Flash memory for program storage.
- 2 KB of SRAM for data.
- 1 KB of EEPROM for non-volatile data storage.
4. I/O Ports: 23 programmable I/O lines.
5. Analog Features: 6-channel 10-bit ADC, one 8-bit and one 16-bit Timer/Counters.
6. Communication Interfaces:
- USART for serial communication.
- SPI and I2C interfaces.
7. Interrupts: Supports external and internal interrupts.
8. Power Management: Low power consumption with several sleep modes.
9. Operating Voltage: 1.8V to 5.5V.
This microcontroller is popular for applications like automation, robotics, and Arduino projects due to its versatility and ease of use.

Package

The ATmega328P-MMHR is packaged in a 32-pin TQFP (Thin Quad Flat Package) format. This surface-mount package type is designed for compact applications, allowing for efficient use of PCB space while maintaining accessibility for soldering and heat dissipation.

Pinout

The ATmega328P-MMHR is an 8-bit microcontroller from Atmel (now part of Microchip Technology) with a total of 28 pins. The pin functions include:
- Digital I/O Pins: 14 pins (D0-D13) can be configured as input or output.
- Analog Inputs: 6 pins (A0-A5) can be used for analog-to-digital conversion (ADC).
- Power Supply: Includes VCC (power supply) and GND (ground) pins.
- Reset Pin: A dedicated reset pin to restart the microcontroller.
- Communication Interfaces: Supports UART (TX/RX), SPI, and I2C through specific pins.
- PWM Outputs: Certain digital pins can provide PWM output functionality.
The ATmega328P is widely used in applications like Arduino, enabling robust control and interfacing capabilities in compact designs.

Manufacturer

The manufacturer of the ATmega328P-MMHR is Microchip Technology Inc. Microchip is a publicly traded company based in the United States, specializing in the design and manufacturing of microcontrollers, memory, and other semiconductor products. Founded in 1989, Microchip serves a wide range of industries, including automotive, industrial, consumer, and communications. The ATmega328P is widely known for its use in Arduino boards, making it popular among hobbyists and engineers for prototyping and embedded systems development. The company focuses on providing high-quality solutions for embedded control applications and has a strong commitment to innovation and customer support.

Application

The ATmega328P-MMHR is commonly used in various applications such as microcontroller boards (e.g., Arduino Uno), embedded systems, robotics, home automation, sensor interfacing, and IoT devices. Its versatility makes it suitable for controlling motors, reading sensors, managing displays, and implementing communication protocols. Additionally, it is ideal for educational purposes and prototyping due to its ease of use and extensive community support.

Equivalent

Equivalent products to the ATmega328P-MMHR include the ATmega168, ATmega32U4, and PIC16F887. These microcontrollers offer similar features such as 8-bit architecture, GPIO, and various peripherals. Additionally, the ESP8266 can serve as an alternative for projects requiring Wi-Fi connectivity. Always check specific requirements like memory size and peripheral support before selection.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

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.

Payments

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