ATMEGA48P-20MMUR

Product Overview

Category

ATMEGA48P-20MMUR belongs to the category of microcontrollers.

Use

This product is commonly used in various electronic devices and systems that require a microcontroller for processing and controlling functions.

Characteristics

• High-performance 8-bit AVR microcontroller
• Low power consumption
• Wide operating voltage range
• Flash memory for program storage
• EEPROM for data storage
• Multiple communication interfaces
• Analog-to-digital converter (ADC)
• Timers and counters

Package

ATMEGA48P-20MMUR is available in a surface-mount package, specifically the 32-pin QFN (Quad Flat No-Lead) package.

Essence

The essence of ATMEGA48P-20MMUR lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ATMEGA48P-20MMUR microcontrollers.

Specifications

• Microcontroller Architecture: AVR
• CPU Speed: 20 MHz
• Flash Memory: 4 KB
• RAM: 512 bytes
• EEPROM: 256 bytes
• Operating Voltage: 1.8V - 5.5V
• Digital I/O Pins: 23
• Analog Input Pins: 6
• Communication Interfaces: UART, SPI, I2C
• ADC Resolution: 10-bit
• Timers/Counters: 3
• PWM Channels: 6
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATMEGA48P-20MMUR microcontroller has a total of 32 pins. The pin configuration is as follows:

• Pin 1: Reset (RESET)
• Pin 2-9: Digital I/O Pins (PORTB0 - PORTB7)
• Pin 10-17: Digital I/O Pins (PORTC0 - PORTC7)
• Pin 18-25: Digital I/O Pins (PORTD0 - PORTD7)
• Pin 26: Ground (GND)
• Pin 27: Analog Reference (AREF)
• Pin 28: AVCC (Power Supply for ADC)
• Pin 29: VCC (Power Supply)
• Pin 30: Crystal Oscillator (XTAL1)
• Pin 31: Crystal Oscillator (XTAL2)
• Pin 32: Digital I/O Pin (PORTB8)

Functional Features

ATMEGA48P-20MMUR offers several functional features that enhance its performance and usability:

1. High-Speed Processing: The microcontroller operates at a maximum speed of 20 MHz, allowing for efficient execution of instructions.
2. Low Power Consumption: The ATMEGA48P-20MMUR is designed to minimize power consumption, making it suitable for battery-powered applications.
3. Flexible I/O Configuration: The digital I/O pins can be configured as inputs or outputs, providing versatility in interfacing with external devices.
4. Communication Interfaces: The microcontroller supports UART, SPI, and I2C interfaces, enabling seamless communication with other devices.
5. Analog-to-Digital Conversion: The built-in ADC allows for accurate conversion of analog signals into digital values, expanding the range of applications.
6. Timers and Counters: The presence of timers and counters facilitates precise timing and event counting operations.

Advantages and Disadvantages

Advantages

• Compact form factor
• Wide operating voltage range
• Low power consumption
• Multiple communication interfaces
• Built-in analog-to-digital converter
• Timers and counters for precise timing operations

Disadvantages

• Limited program and data memory compared to higher-end microcontrollers
• Relatively fewer I/O pins for complex applications

Working Principles

ATMEGA48P-20MMUR operates based on the AVR architecture. It executes instructions stored in its flash memory, processes input signals, and generates output signals accordingly. The microcontroller communicates with external devices through its various interfaces, performs analog-to-digital conversions, and utilizes timers and counters for accurate timing operations.

Detailed Application Field Plans

ATMEGA48P-20MMUR finds applications in a wide range of fields, including but not limited to:

1. Home Automation Systems: Controlling and monitoring various home appliances and systems.
2. Industrial Automation: Process control, monitoring, and data acquisition in industrial environments.
3. Consumer Electronics: Remote controls, smart devices, and wearable technology.
4. Automotive Electronics: Engine management, dashboard displays, and vehicle control systems.
5. Internet of Things (IoT): Connecting and controlling IoT devices and sensors.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ATMEGA48P