ATTINY85-20PU

Product Overview

Category: Microcontroller

Use: ATTINY85-20PU is a versatile microcontroller designed for various embedded applications. It offers a compact and cost-effective solution for projects requiring low-power consumption and limited I/O capabilities.

Characteristics: - Low power consumption - Small form factor - Limited I/O pins - High-performance 8-bit AVR microcontroller

Package: DIP-8 (Dual In-line Package)

Essence: ATTINY85-20PU is based on the AVR RISC architecture and incorporates Flash memory, EEPROM, and SRAM. It operates at a clock frequency of up to 20 MHz.

Packaging/Quantity: ATTINY85-20PU is typically sold in tubes containing 25 units.

Specifications

• Microcontroller Family: AVR
• CPU Speed: Up to 20 MHz
• Flash Memory: 8 KB
• EEPROM: 512 bytes
• SRAM: 512 bytes
• I/O Pins: 6 (including 2 PWM outputs)
• Analog Inputs: 4
• Operating Voltage: 2.7V - 5.5V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

1. PB5 (RESET)
2. PB3 (PWM)
3. PB4 (PWM)
4. GND
5. PB0 (Analog Input)
6. PB1 (Analog Input)
7. PB2 (Analog Input)
8. VCC

Functional Features

• Low power consumption makes it suitable for battery-powered applications.
• Compact size allows for integration into space-constrained designs.
• Supports a wide range of communication protocols, including SPI and I2C.
• Built-in analog-to-digital converter (ADC) for sensor interfacing.
• Flexible PWM outputs for controlling motors and other devices.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life. - Compact size enables integration into small-scale projects. - Cost-effective solution for simple applications. - Wide operating voltage range allows for flexibility in power supply options.

Disadvantages: - Limited number of I/O pins restricts the complexity of projects. - Lack of built-in peripherals may require additional external components. - Not suitable for high-performance applications requiring extensive computational capabilities.

Working Principles

ATTINY85-20PU operates based on the AVR RISC architecture. It executes instructions stored in its Flash memory, utilizing its CPU to perform various tasks. The microcontroller communicates with external devices through its I/O pins, enabling data exchange and control.

Detailed Application Field Plans

ATTINY85-20PU finds applications in various fields, including but not limited to: 1. Home automation systems 2. Wearable devices 3. Internet of Things (IoT) projects 4. Sensor networks 5. Robotics 6. Embedded systems prototyping

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ATTINY85-20PU include: 1. ATmega328P 2. PIC12F675 3. STM32F030F4P6 4. MSP430G2553

These alternatives provide different features and specifications, allowing developers to choose the most suitable microcontroller for their specific requirements.

In conclusion, ATTINY85-20PU is a versatile microcontroller offering low power consumption, compact size, and limited I/O capabilities. It is widely used in various embedded applications, particularly those requiring simplicity and cost-effectiveness.