ATTINY261-20MUR

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, IoT devices, consumer electronics
• Characteristics:
  • Low power consumption
  • High performance
  • Small form factor
• Package: QFN (Quad Flat No-Lead)
• Essence: A high-performance microcontroller designed for low-power applications
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Architecture: AVR
• Flash Memory: 2KB
• RAM: 128 bytes
• Operating Voltage: 1.8V - 5.5V
• Clock Speed: 20MHz
• Digital I/O Pins: 18
• Analog Input Pins: 8
• PWM Channels: 6
• Communication Interfaces: SPI, I2C, UART
• Timers/Counters: 3
• ADC Resolution: 10-bit
• EEPROM: 128 bytes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATTINY261-20MUR has a total of 32 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | RESET | Reset | | 2 | PB5 | GPIO | | 3 | PB3 | GPIO | | 4 | PB4 | GPIO | | 5 | GND | Ground | | 6 | VCC | Power | | 7 | PB2 | GPIO | | 8 | PB1 | GPIO | | ... | ... | ... | | 32 | PC6 | GPIO |

Functional Features

• Low power consumption: The ATTINY261-20MUR is designed to operate efficiently in low-power applications, making it suitable for battery-powered devices.
• High performance: Despite its small size, this microcontroller offers high processing power and can handle complex tasks.
• Versatile I/O capabilities: With a wide range of digital and analog pins, the ATTINY261-20MUR can interface with various sensors and actuators.
• Communication interfaces: It supports popular communication protocols like SPI, I2C, and UART, enabling seamless integration with other devices.
• Timers and counters: The built-in timers and counters provide precise timing and event control functionality.

Advantages

• Small form factor allows for compact designs.
• Low power consumption extends battery life.
• High-performance capabilities enable efficient processing.
• Versatile I/O capabilities facilitate interfacing with external components.
• Wide operating voltage range enhances compatibility.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• Lack of integrated peripherals may require additional external components for certain functionalities.

Working Principles

The ATTINY261-20MUR operates based on the AVR architecture. It executes instructions stored in its flash memory, utilizing its internal registers and peripherals to perform various tasks. The microcontroller communicates with external devices through its I/O pins and interfaces, while timers and counters provide precise timing and event control.

Detailed Application Field Plans

The ATTINY261-20MUR finds applications in various fields, including: 1. Embedded systems: Used in industrial automation, home automation, and automotive systems. 2. IoT devices: Enables connectivity and control in smart home devices, wearables, and environmental monitoring systems. 3. Consumer electronics: Powers small-scale electronic devices like remote controls, toys, and portable gadgets.

Detailed and Complete Alternative Models

1. ATTINY85-20PU: Similar specifications but with 8KB flash memory and 512 bytes of RAM.
2. ATTINY4313-20PU: Offers more I/O pins and 4KB flash memory, suitable for larger-scale projects.
3. ATTINY24A-SSU: Lower power consumption and smaller package size, ideal for battery-powered applications.

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