Microchip Technology
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ATMEGA328-MMHR
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ATMEGA328-MMHR

Product Overview

Category

The ATMEGA328-MMHR belongs to the category of microcontrollers.

Use

It is commonly used in embedded systems and DIY electronics projects.

Characteristics

  • Low power consumption
  • High performance
  • Versatile I/O capabilities

Package

The ATMEGA328-MMHR is available in a compact surface-mount package.

Essence

This microcontroller is essential for creating custom electronic devices and prototypes.

Packaging/Quantity

It is typically sold in reels containing multiple units, with quantities varying based on supplier and order size.

Specifications

  • Architecture: 8-bit AVR
  • Flash Memory: 32 KB
  • SRAM: 2 KB
  • EEPROM: 1 KB
  • Operating Voltage: 1.8V - 5.5V
  • Max CPU Speed: 20 MHz
  • I/O Pins: 23
  • Communication Interfaces: UART, SPI, I2C

Detailed Pin Configuration

The ATMEGA328-MMHR features a total of 32 pins, including digital I/O, analog input, power, and communication interface pins. The pinout configuration can be found in the official datasheet provided by the manufacturer.

Functional Features

  • Analog-to-Digital Conversion: Integrated ADC for precise analog sensor interfacing.
  • PWM Output: Multiple PWM channels for controlling motors and other actuators.
  • Interrupt Handling: Supports external interrupts for responsive event-driven programming.
  • Timers and Counters: Built-in timers for accurate timekeeping and interval measurement.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range
  • Extensive community support and documentation
  • Compatibility with Arduino development environment

Disadvantages

  • Limited RAM capacity for complex applications
  • Relatively low clock speed compared to higher-end microcontrollers

Working Principles

The ATMEGA328-MMHR operates based on the Harvard architecture, featuring a separate program and data memory. It executes instructions fetched from its flash memory, utilizing its versatile I/O capabilities to interact with external components and sensors.

Detailed Application Field Plans

The ATMEGA328-MMHR finds extensive use in various application fields, including: - IoT Devices: Power-efficient microcontroller suitable for IoT sensor nodes and edge devices. - Robotics: Control unit for small-scale robotic platforms and automation projects. - Consumer Electronics: Embedded control for custom gadgets and interactive displays.

Detailed and Complete Alternative Models

  • ATMEGA168: A lower-memory variant suitable for simpler applications.
  • ATMEGA328P: Enhanced version with additional features and compatibility with Arduino Uno.

In conclusion, the ATMEGA328-MMHR serves as a versatile and widely-used microcontroller, offering a balance of performance and power efficiency for diverse embedded system applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ATMEGA328-MMHR in technische oplossingen

  1. What is the ATMEGA328-MMHR?

    • The ATMEGA328-MMHR is a microcontroller from Atmel (now Microchip) that is commonly used in embedded systems and technical solutions.

  2. What are the key features of the ATMEGA328-MMHR?

    • The ATMEGA328-MMHR features 32KB of flash memory, 2KB of SRAM, 1KB of EEPROM, 23 general-purpose I/O lines, and more, making it suitable for a wide range of applications.

  3. How can I program the ATMEGA328-MMHR?

    • The ATMEGA328-MMHR can be programmed using various development tools such as Arduino IDE, Atmel Studio, or other compatible programming environments.

  4. What are some common applications of the ATMEGA328-MMHR?

    • Common applications include IoT devices, robotics, consumer electronics, industrial control systems, and more.

  5. What communication interfaces does the ATMEGA328-MMHR support?

    • The ATMEGA328-MMHR supports SPI, I2C, UART, and other communication interfaces, enabling seamless integration with various peripherals and sensors.

  6. Can the ATMEGA328-MMHR be used in low-power applications?

    • Yes, the ATMEGA328-MMHR offers low-power consumption modes, making it suitable for battery-powered and energy-efficient designs.

  7. What voltage levels does the ATMEGA328-MMHR support?

    • The ATMEGA328-MMHR operates at 1.8V to 5.5V, providing flexibility in interfacing with different components and power sources.

  8. Are there any development boards available for prototyping with the ATMEGA328-MMHR?

    • Yes, there are several development boards such as Arduino Uno, Adafruit Metro, and others that feature the ATMEGA328-MMHR for rapid prototyping.

  9. Does the ATMEGA328-MMHR have built-in analog-to-digital converters (ADC)?

    • Yes, the ATMEGA328-MMHR has a 10-bit ADC with multiple channels, allowing for analog sensor interfacing and data acquisition.

  10. Where can I find detailed technical documentation for the ATMEGA328-MMHR?

    • Detailed technical documentation, including datasheets, application notes, and reference manuals, can be found on the official Microchip website and other reputable sources.