ATTINY20-MMHR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: Low-power, high-performance, compact size
• Package: 20-pin QFN (Quad Flat No-Lead)
• Essence: A versatile microcontroller designed for small-scale applications requiring low power consumption and high performance.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Architecture: AVR
• Flash Memory: 2KB
• RAM: 128 bytes
• Operating Voltage: 1.8V - 5.5V
• Clock Speed: Up to 20 MHz
• Digital I/O Pins: 17
• Analog Input Pins: 12
• Communication Interfaces: SPI, I2C, UART
• Timers/Counters: 2
• ADC Channels: 8
• PWM Channels: 4
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ATTINY20-MMHR features a 20-pin QFN package with the following pin configuration:

```

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| | --|VCC GND|-- --|PB3 PB2|-- --|PB4 PB1|-- --|PB5 PA7|-- --|PA6 PA5|-- --|PA4 PA3|-- --|PA2 PA1|-- --|PA0 RESET|-- |_______| ```

Functional Features

• Low power consumption: The ATTINY20-MMHR is optimized for low-power applications, making it suitable for battery-powered devices.
• High-performance processing: Despite its small size, the microcontroller offers a clock speed of up to 20 MHz, enabling efficient execution of tasks.
• Versatile I/O capabilities: With 17 digital I/O pins and 12 analog input pins, the ATTINY20-MMHR provides flexibility for interfacing with various sensors and peripherals.
• Communication interfaces: The microcontroller supports popular communication protocols such as SPI, I2C, and UART, facilitating seamless integration with other devices.
• Timers and counters: Two timers/counters allow precise timing and event counting functionality.
• Analog-to-Digital Conversion (ADC): The ATTINY20-MMHR features an 8-channel ADC, enabling accurate measurement of analog signals.
• Pulse Width Modulation (PWM): Four PWM channels provide control over analog outputs, allowing for tasks like motor speed control or LED dimming.

Advantages

• Compact size: The small form factor of the ATTINY20-MMHR makes it ideal for space-constrained applications.
• Low power consumption: The microcontroller's optimized power usage extends battery life in portable devices.
• High-performance processing: Despite its size, the ATTINY20-MMHR delivers efficient processing capabilities.
• Versatility: The wide range of I/O pins and communication interfaces allows for flexible integration with various components.

Disadvantages

• Limited memory: With only 2KB of flash memory and 128 bytes of RAM, the ATTINY20-MMHR may not be suitable for complex applications requiring extensive storage or data manipulation.
• Limited number of pins: The 20-pin package restricts the number of peripherals that can be directly connected to the microcontroller.

Working Principles

The ATTINY20-MMHR operates based on the AVR architecture. It executes instructions stored in its flash memory, utilizing its internal clock to synchronize operations. The microcontroller interacts with external components through its I/O pins, communicating via supported protocols. It can perform tasks such as data processing, sensor interfacing, and control operations.

Application Field Plans

The ATTINY20-MMHR finds applications in various fields, including:

1. Internet of Things (IoT) devices: The microcontroller's low power consumption and compact size make it suitable for IoT applications such as smart home devices, wearables, and environmental monitoring systems.
2. Consumer electronics: Due to its small form factor and versatile I/O capabilities, the ATTINY20-MMHR can be used in consumer electronics like remote controls, small appliances, and gaming peripherals.
3. Industrial automation: The microcontroller's high-performance processing and communication interfaces enable its use in industrial automation systems, including control panels, motor control units, and data acquisition devices.

Alternative Models

• ATTINY10-MMHR
• ATTINY25-MMHR
• ATTINY45-MMHR
• ATTINY85-MMHR

These alternative models offer varying specifications and pin configurations, providing options based on specific project requirements.

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