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。
ATTINY85-20SH
詳細を表示 DataSheets

ATTINY85-20SH

Product Overview

Category: Microcontroller
Use: Embedded Systems
Characteristics: Low-power, High-performance
Package: 8-pin SOIC
Essence: Small-sized microcontroller with advanced features
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Operating Voltage: 2.7V - 5.5V
  • Flash Memory: 8KB
  • RAM: 512B
  • EEPROM: 512B
  • Clock Speed: 20MHz
  • Digital I/O Pins: 6
  • Analog Input Pins: 4
  • PWM Channels: 3
  • Communication Interfaces: SPI, I2C, UART

Pin Configuration

The ATTINY85-20SH microcontroller has a total of 8 pins, each serving a specific purpose:

  1. VCC: Power supply voltage input
  2. PB3 / MISO / DI: Master In Slave Out (SPI) / Data Input (I2C)
  3. PB4 / MOSI / DO: Master Out Slave In (SPI) / Data Output (I2C)
  4. PB0 / SCK / USCK: Serial Clock (SPI) / Universal Serial Clock (UART)
  5. PB1 / OC0B / ADC1: Output Compare B (PWM) / Analog-to-Digital Converter (ADC)
  6. PB2 / OC0A / ADC2: Output Compare A (PWM) / Analog-to-Digital Converter (ADC)
  7. RESET: Reset pin for resetting the microcontroller
  8. GND: Ground reference

Functional Features

  • Low power consumption, making it suitable for battery-powered applications
  • High-performance processing capabilities for embedded systems
  • Wide operating voltage range allows for flexibility in power supply options
  • Ample flash memory and RAM for storing program code and data
  • Multiple communication interfaces enable seamless integration with other devices
  • Built-in analog-to-digital converter for reading analog sensor inputs
  • Pulse Width Modulation (PWM) channels for generating precise analog signals

Advantages and Disadvantages

Advantages: - Small form factor enables compact designs - Low power consumption extends battery life - Versatile communication interfaces enhance connectivity options - Ample memory for storing program code and data - PWM channels provide accurate control of analog signals

Disadvantages: - Limited number of I/O pins may restrict the number of connected peripherals - Lack of built-in hardware features for specific applications may require additional external components

Working Principles

The ATTINY85-20SH microcontroller operates based on the principles of digital logic and microprocessor architecture. It executes instructions stored in its flash memory, processes data, and interacts with external devices through its I/O pins and communication interfaces. The clock speed determines the rate at which instructions are executed, while the voltage supply ensures proper functioning of the microcontroller.

Detailed Application Field Plans

The ATTINY85-20SH microcontroller finds applications in various fields, including but not limited to:

  1. Internet of Things (IoT) devices
  2. Home automation systems
  3. Wearable technology
  4. Sensor networks
  5. Robotics
  6. Industrial automation
  7. Consumer electronics

Detailed and Complete Alternative Models

  1. ATmega328P: A more powerful microcontroller with higher memory and more I/O pins.
  2. PIC16F877A: A microcontroller from Microchip with similar capabilities and a different architecture.
  3. STM32F103C8T6: An ARM-based microcontroller with advanced features and a larger memory capacity.

These alternative models offer different specifications and features, allowing developers to choose the most suitable microcontroller for their specific application requirements.

Word count: 498 words

技術ソリューションにおける ATTINY85-20SH 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 ATTINY85-20SH in technical solutions:

  1. Q: What is ATTINY85-20SH? A: ATTINY85-20SH is a microcontroller from the AVR family, manufactured by Atmel. It has 8KB of flash memory, 512 bytes of SRAM, and operates at a clock frequency of 20MHz.

  2. Q: What are some common applications of ATTINY85-20SH? A: ATTINY85-20SH is commonly used in small-scale projects that require low power consumption, such as wearable devices, sensor nodes, home automation systems, and IoT applications.

  3. Q: How many I/O pins does ATTINY85-20SH have? A: ATTINY85-20SH has a total of 6 I/O pins, which can be configured as digital input/output or analog input.

  4. Q: Can ATTINY85-20SH be programmed using the Arduino IDE? A: Yes, ATTINY85-20SH can be programmed using the Arduino IDE with the help of the "TinyAVR" core library.

  5. Q: What is the maximum voltage that ATTINY85-20SH can handle? A: ATTINY85-20SH can handle a maximum voltage of 5.5V.

  6. Q: Does ATTINY85-20SH have built-in ADC (Analog-to-Digital Converter)? A: Yes, ATTINY85-20SH has a built-in 10-bit ADC, which allows it to read analog signals from sensors.

  7. Q: Can ATTINY85-20SH communicate with other devices using serial communication? A: Yes, ATTINY85-20SH supports serial communication protocols like I2C and SPI, which allows it to communicate with other devices such as sensors, displays, and external memory.

  8. Q: What is the power consumption of ATTINY85-20SH? A: The power consumption of ATTINY85-20SH depends on the specific application and usage, but it is generally known for its low power consumption, making it suitable for battery-powered projects.

  9. Q: Can ATTINY85-20SH be used in standalone mode without an external microcontroller? A: Yes, ATTINY85-20SH can be used in standalone mode, where it can run a program independently without the need for an external microcontroller.

  10. Q: Is ATTINY85-20SH compatible with 5V logic levels? A: No, ATTINY85-20SH operates at 3.3V logic levels, so it is not directly compatible with 5V logic. However, level shifters or voltage dividers can be used to interface it with 5V devices.

I hope these questions and answers provide you with useful information about the application of ATTINY85-20SH in technical solutions!