ATMEGA48-20MMU

Product Overview

Category

ATMEGA48-20MMU belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and embedded systems for controlling and processing data.

Characteristics

• Low power consumption
• High-performance 8-bit AVR microcontroller
• Advanced RISC architecture
• In-system programmable flash memory
• EEPROM and SRAM for data storage
• Wide operating voltage range
• Multiple communication interfaces (UART, SPI, I2C)
• Analog-to-digital converter (ADC)
• Timers and PWM channels for precise timing control

Package

ATMEGA48-20MMU is available in a compact surface-mount package.

Essence

The essence of ATMEGA48-20MMU lies in its ability to provide efficient and reliable control and processing capabilities in a wide range of applications.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

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

Detailed Pin Configuration

The ATMEGA48-20MMU microcontroller has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

• Pins 1-8: Port B (PB0-PB7)
• Pins 9-16: Port C (PC0-PC7)
• Pins 17-24: Port D (PD0-PD7)
• Pins 25-28: VCC, GND, AVCC, AREF
• Pins 29-32: Reset (RESET), Crystal Oscillator (XTAL1, XTAL2)

Functional Features

1. Advanced RISC Architecture

The ATMEGA48-20MMU utilizes an advanced Reduced Instruction Set Computing (RISC) architecture, which allows for efficient execution of instructions and optimized power consumption.

2. In-System Programmable Flash Memory

With its in-system programmable flash memory, the microcontroller can be easily updated or reprogrammed without the need for external programming equipment.

3. Communication Interfaces

The UART, SPI, and I2C interfaces enable seamless communication with other devices, making it suitable for applications requiring data exchange.

4. Timers and PWM Channels

The built-in timers and PWM channels provide precise timing control and enable the generation of analog-like signals, allowing for various applications such as motor control and audio synthesis.

5. Analog-to-Digital Converter (ADC)

The integrated 10-bit ADC allows for accurate conversion of analog signals into digital values, enabling measurement and monitoring of real-world parameters.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range provides flexibility in different power supply scenarios.
• Compact package size allows for space-efficient designs.
• In-system programmability simplifies firmware updates and debugging processes.
• Multiple communication interfaces enhance connectivity options.

Disadvantages

• Limited flash memory capacity may restrict the complexity of programs that can be stored.
• Relatively low number of I/O pins may limit the number of external devices that can be connected directly.

Working Principles

ATMEGA48-20MMU operates based on the principles of digital logic and microcontroller architecture. It executes instructions stored in its flash memory, interacts with external devices through various communication interfaces, and performs tasks according to the program it runs.

Detailed Application Field Plans

ATMEGA48-20MMU finds applications in a wide range of fields, including but not limited to: - Home automation systems - Industrial control systems - Robotics - Automotive electronics - Medical devices - Consumer electronics

Its versatility and performance make it suitable for projects requiring precise control, data processing, and connectivity.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ATMEGA48-20MMU include: - ATMEGA88-20MMU - ATMEGA168-20MMU - ATMEGA328-20MMU

These microcontrollers share many features and specifications with ATMEGA48-20MMU, providing options for different memory capacities and pin configurations while maintaining compatibility with existing designs.

In conclusion, ATMEGA48-20MMU is a high-performance