ATTINY28V-1AU

Product Overview

Category

The ATTINY28V-1AU belongs to the category of microcontrollers.

Use

It is primarily used for embedded systems and low-power applications.

Characteristics

• Low power consumption
• High-performance 8-bit AVR RISC architecture
• Flash memory for program storage
• EEPROM for data storage
• SRAM for temporary data storage
• Wide operating voltage range
• Multiple communication interfaces
• Various timers and PWM channels
• Analog-to-digital converter (ADC)
• On-chip debugging support

Package

The ATTINY28V-1AU is available in a compact surface-mount package.

Essence

The essence of ATTINY28V-1AU lies in its ability to provide a cost-effective and efficient solution for small-scale embedded systems.

Packaging/Quantity

The ATTINY28V-1AU is typically packaged in reels or tubes, with a quantity of several hundred units per package.

Specifications

• Microcontroller type: 8-bit AVR
• Operating voltage: 1.8V - 5.5V
• Flash memory: 2KB
• EEPROM: 128 bytes
• SRAM: 128 bytes
• Clock speed: Up to 20MHz
• Digital I/O pins: 20
• ADC channels: 8
• Communication interfaces: SPI, I2C, UART
• Timers: 3
• PWM channels: 6

Detailed Pin Configuration

The ATTINY28V-1AU has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCC: Power supply voltage
2. GND: Ground
3. RESET: Reset input
4. XTAL1: Crystal oscillator input
5. XTAL2: Crystal oscillator output
6. ADC0: Analog-to-digital converter input
7. ADC1: Analog-to-digital converter input
8. ADC2: Analog-to-digital converter input
9. ADC3: Analog-to-digital converter input
10. ADC4: Analog-to-digital converter input
11. ADC5: Analog-to-digital converter input
12. ADC6: Analog-to-digital converter input
13. ADC7: Analog-to-digital converter input
14. AREF: Analog reference voltage
15. SDA: I2C data line
16. SCL: I2C clock line
17. MOSI: SPI master out, slave in
18. MISO: SPI master in, slave out
19. SCK: SPI clock
20. TXD: UART transmit data

Functional Features

The ATTINY28V-1AU offers several functional features that enhance its usability and performance:

1. Low power consumption: The microcontroller is designed to operate efficiently with minimal power requirements.
2. High-performance architecture: The AVR RISC architecture ensures fast execution of instructions and efficient use of system resources.
3. Memory options: The combination of flash memory, EEPROM, and SRAM provides flexibility for program storage and data handling.
4. Communication interfaces: The microcontroller supports multiple communication interfaces, enabling seamless integration with other devices.
5. Timers and PWM channels: The built-in timers and PWM channels allow precise timing control and generation of analog signals.
6. Analog-to-digital converter: The ADC enables the microcontroller to convert analog signals into digital values for processing.
7. On-chip debugging support: Debugging capabilities are integrated into the microcontroller, simplifying the development and testing process.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Compact package size allows for space-efficient designs.
• Wide operating voltage range provides flexibility in various power supply scenarios.
• Multiple communication interfaces enable easy integration with other devices.
• On-chip debugging support simplifies the development and testing process.

Disadvantages

• Limited program and data memory compared to higher-end microcontrollers.
• Relatively fewer I/O pins restricts the number of external devices that can be connected directly.

Working Principles

The ATTINY28V-1AU operates based on the principles of the AVR RISC architecture. It executes instructions stored in its flash memory, processes data using its registers and ALU, and communicates with external devices through its I/O pins and communication interfaces. The microcontroller's clock generates timing signals for synchronization, and its various peripherals provide additional functionality as required by the application.

Detailed Application Field Plans

The ATTINY28V-1AU finds applications in a wide range of fields, including but not limited to:

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