Microchip Technology
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
ATMEGA48-20MJ
詳細を表示 DataSheets

ATMEGA48-20MJ

Product Overview

Category

ATMEGA48-20MJ belongs to the category of microcontrollers.

Use

It is commonly used in various electronic applications that require a microcontroller for processing and controlling functions.

Characteristics

  • High-performance microcontroller with advanced features
  • Low power consumption
  • Wide operating voltage range
  • Robust and reliable design
  • Suitable for both industrial and consumer applications

Package

ATMEGA48-20MJ is available in a compact and durable package, ensuring easy integration into electronic circuits.

Essence

The essence of ATMEGA48-20MJ lies in its ability to provide efficient and precise control over various electronic systems.

Packaging/Quantity

ATMEGA48-20MJ is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

  • Microcontroller architecture: AVR
  • Operating voltage: 1.8V - 5.5V
  • Clock frequency: 20MHz
  • Flash memory: 4KB
  • RAM: 512 bytes
  • EEPROM: 256 bytes
  • Number of I/O pins: 23
  • Communication interfaces: UART, SPI, I2C
  • Analog-to-Digital Converter (ADC): 10-bit resolution, 8 channels
  • Timers/Counters: 3 timers/counters

Detailed Pin Configuration

  1. VCC - Power supply voltage
  2. GND - Ground
  3. Port B0 - General-purpose I/O pin
  4. Port B1 - General-purpose I/O pin
  5. Port B2 - General-purpose I/O pin
  6. Port B3 - General-purpose I/O pin
  7. Port B4 - General-purpose I/O pin
  8. Port B5 - General-purpose I/O pin
  9. Port B6 - General-purpose I/O pin
  10. Port B7 - General-purpose I/O pin
  11. RESET - Reset pin
  12. VCC - Power supply voltage
  13. GND - Ground
  14. XTAL1 - Crystal oscillator input
  15. XTAL2 - Crystal oscillator output
  16. Port D0 - General-purpose I/O pin
  17. Port D1 - General-purpose I/O pin
  18. Port D2 - General-purpose I/O pin
  19. Port D3 - General-purpose I/O pin
  20. Port D4 - General-purpose I/O pin
  21. Port D5 - General-purpose I/O pin
  22. Port D6 - General-purpose I/O pin
  23. Port D7 - General-purpose I/O pin

Functional Features

  • High-speed processing capabilities
  • Multiple communication interfaces for data exchange
  • Flexible I/O pins for interfacing with external devices
  • Built-in analog-to-digital converter for sensor integration
  • Timers/counters for precise timing and event management
  • Low power consumption modes for energy efficiency

Advantages and Disadvantages

Advantages

  • Versatile microcontroller suitable for a wide range of applications
  • Robust design ensures reliability in harsh environments
  • Low power consumption extends battery life
  • Ample memory for program storage and data handling
  • Extensive peripheral support for enhanced functionality

Disadvantages

  • Limited number of I/O pins may restrict the number of external devices that can be connected simultaneously
  • Relatively small amount of flash memory compared to some other microcontrollers

Working Principles

ATMEGA48-20MJ operates based on the AVR architecture, utilizing a combination of hardware and software to execute instructions and control external devices. It follows a sequential execution model, where instructions are fetched from memory, decoded, and executed one by one. The microcontroller interacts with the external world through its I/O pins, communication interfaces, and various peripherals.

Detailed Application Field Plans

ATMEGA48-20MJ finds applications in a wide range of fields, including but not limited to: - Industrial automation - Home automation - Consumer electronics - Internet of Things (IoT) devices - Robotics - Automotive systems - Medical devices

Detailed and Complete Alternative Models

  1. ATMEGA88-20MJ: Similar to ATMEGA48-20MJ but with higher flash memory capacity (8KB)
  2. ATMEGA168-20MJ: Similar to ATMEGA48-20MJ but with higher flash memory capacity (16KB) and more I/O pins
  3. ATMEGA328-20MJ: Similar to ATMEGA48-20MJ but with higher flash memory capacity (32KB) and more I/O pins

These alternative models offer increased resources and capabilities for applications that require additional memory or I/O flexibility.

In conclusion, ATMEGA48-20MJ is a high-performance microcontroller with advanced features, suitable for a wide range of electronic applications.

技術ソリューションにおける ATMEGA48-20MJ の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of ATMEGA48-20MJ in technical solutions:

  1. Q: What is the ATMEGA48-20MJ microcontroller used for? A: The ATMEGA48-20MJ is a microcontroller commonly used in various technical solutions, such as embedded systems, robotics, automation, and IoT devices.

  2. Q: What is the operating voltage range of the ATMEGA48-20MJ? A: The ATMEGA48-20MJ operates within a voltage range of 2.7V to 5.5V.

  3. Q: How much flash memory does the ATMEGA48-20MJ have? A: The ATMEGA48-20MJ has 4KB of flash memory, which can be used for storing program code.

  4. Q: Can I use the ATMEGA48-20MJ for analog signal processing? A: Yes, the ATMEGA48-20MJ has an integrated 10-bit ADC (Analog-to-Digital Converter) that allows you to process analog signals.

  5. Q: What communication interfaces are available on the ATMEGA48-20MJ? A: The ATMEGA48-20MJ supports several communication interfaces, including SPI (Serial Peripheral Interface), I2C (Inter-Integrated Circuit), and USART (Universal Synchronous/Asynchronous Receiver/Transmitter).

  6. Q: How many GPIO (General Purpose Input/Output) pins does the ATMEGA48-20MJ have? A: The ATMEGA48-20MJ has a total of 23 GPIO pins, which can be configured as inputs or outputs.

  7. Q: Can I use the ATMEGA48-20MJ with Arduino IDE? A: Yes, the ATMEGA48-20MJ is compatible with Arduino IDE. You can program it using the Arduino framework.

  8. Q: What is the maximum clock frequency of the ATMEGA48-20MJ? A: The ATMEGA48-20MJ can operate at a maximum clock frequency of 20MHz.

  9. Q: Does the ATMEGA48-20MJ have any built-in timers/counters? A: Yes, the ATMEGA48-20MJ has three 16-bit timers/counters that can be used for various timing and counting applications.

  10. Q: Can I use the ATMEGA48-20MJ in battery-powered applications? A: Yes, the ATMEGA48-20MJ is designed to be power-efficient and can be used in battery-powered applications. It has low-power sleep modes and features to conserve energy.

Please note that these answers are general and may vary depending on specific implementation details and requirements.