ATTINY25-20SSUR

Product Overview

Category

The ATTINY25-20SSUR belongs to the category of microcontrollers.

Use

It is commonly used in various electronic devices and systems that require embedded control.

Characteristics

• Low power consumption
• High performance
• Small form factor
• Wide operating voltage range

Package

The ATTINY25-20SSUR comes in a surface mount package (SSUR).

Essence

This microcontroller is designed to provide efficient and reliable control capabilities for small-scale applications.

Packaging/Quantity

The ATTINY25-20SSUR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Microcontroller architecture: AVR
• Flash memory: 2KB
• RAM: 128 bytes
• Operating voltage: 1.8V - 5.5V
• Maximum CPU frequency: 20MHz
• Digital I/O pins: 6
• Analog input channels: 4
• Communication interfaces: SPI, I2C, UART
• Timers/counters: 2
• PWM channels: 3
• ADC resolution: 10-bit
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The ATTINY25-20SSUR has a total of 8 pins, which are assigned specific functions as follows:

1. PB5 (RESET): Reset pin
2. PB3 (MOSI/OC1B): Master Out Slave In (SPI) / Output Compare Match B (PWM)
3. PB4 (MISO/OC1A): Master In Slave Out (SPI) / Output Compare Match A (PWM)
4. GND: Ground
5. PB2 (SCK/ADC1): Serial Clock (SPI) / Analog-to-Digital Converter (ADC)
6. PB1 (OC0B/INT0): Output Compare Match B (PWM) / External Interrupt 0
7. PB0 (OC0A/INT1/PCINT0): Output Compare Match A (PWM) / External Interrupt 1 / Pin Change Interrupt 0
8. VCC: Power supply voltage

Functional Features

• Low power consumption allows for extended battery life in portable devices.
• High-performance microcontroller with a wide operating voltage range enables versatile applications.
• Small form factor makes it suitable for space-constrained designs.
• Multiple communication interfaces (SPI, I2C, UART) provide flexibility for connecting to other devices.
• Built-in timers/counters and PWM channels allow for precise timing and control.

Advantages and Disadvantages

Advantages

• Efficient power management
• Compact size
• Versatile communication options
• Precise timing and control capabilities

Disadvantages

• Limited number of digital I/O pins
• Relatively small amount of flash memory and RAM

Working Principles

The ATTINY25-20SSUR operates based on the AVR architecture, utilizing a combination of hardware and software to execute instructions and perform various tasks. It follows a Von Neumann architecture, where program instructions and data are stored in the same memory space.

The microcontroller executes instructions sequentially, fetching them from the flash memory and executing them using the central processing unit (CPU). It can interact with external devices through its I/O pins and communication interfaces.

Detailed Application Field Plans

The ATTINY25-20SSUR finds applications in various fields, including but not limited to:

1. Consumer electronics: Remote controls, smart home devices, wearable gadgets.
2. Industrial automation: Sensor networks, motor control systems, monitoring devices.
3. Automotive: Car audio systems, lighting control modules, engine management units.
4. Medical devices: Portable diagnostic tools, patient monitoring systems, drug delivery devices.
5. Internet of Things (IoT): Connected sensors, smart appliances, environmental monitoring.

Detailed and Complete Alternative Models

1. ATTINY45-20SSUR: Similar to ATTINY25-20SSUR but with increased flash memory (4KB) and additional I/O pins.
2. ATTINY85-20SSUR: Similar to ATTINY25-20SSUR but with increased flash memory (8KB) and additional I/O pins.
3. ATMEGA328P-PU: Higher-end microcontroller with more advanced features and larger memory capacity.

These alternative models offer varying capabilities and can be chosen based on specific project requirements.

In conclusion, the ATTINY25-20SSUR is a versatile microcontroller that combines low power consumption, high performance, and a small form factor. It finds applications in various fields and offers several advantages, although it has some limitations in terms of I/O pins and memory size.