ATTINY28L-4PU

Introduction

The ATTINY28L-4PU is a microcontroller belonging to the ATtiny series produced by Atmel Corporation. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Product Overview

Category

The ATTINY28L-4PU belongs to the microcontroller category.

Use

It is commonly used for embedded control applications in various electronic devices.

Characteristics

• Low power consumption
• High performance
• Small form factor
• Integrated peripherals

Package

The ATTINY28L-4PU is available in a 20-pin plastic dual in-line package (PDIP).

Essence

This microcontroller is designed to provide efficient and reliable control capabilities for embedded systems.

Packaging/Quantity

It is typically supplied in tubes or reels with varying quantities based on the manufacturer's specifications.

Specifications

The ATTINY28L-4PU features the following specifications: - 8-bit AVR microcontroller - 2KB Flash memory - 128B EEPROM - 128B SRAM - 32 general-purpose I/O lines - 8-channel 10-bit A/D converter - Internal and external interrupts - Serial programmable USART - SPI and Two-wire Serial Interface (TWI)

Detailed Pin Configuration

The pinout of the ATTINY28L-4PU is as follows:

| Pin Number | Function | |------------|----------| | 1 | RESET | | 2 | VCC | | 3 | PA0 | | 4 | PA1 | | 5 | PA2 | | 6 | PA3 | | 7 | PA4 | | 8 | PA5 | | 9 | PA6 | | 10 | PA7 | | 11 | GND | | 12 | XTAL1 | | 13 | XTAL2 | | 14 | PD0 | | 15 | PD1 | | 16 | PD2 | | 17 | PD3 | | 18 | PD4 | | 19 | PD5 | | 20 | PD6 |

Functional Features

The ATTINY28L-4PU offers the following functional features: - Low-power operation modes - Timer/counters for precision timing and PWM generation - Analog comparator for analog signal comparison - On-chip oscillator for clock generation - Power-on reset and programmable brown-out detection - Watchdog timer for system reliability

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable applications.
• Integrated peripherals reduce the need for external components, saving board space and cost.
• High-performance 8-bit AVR core provides efficient processing capabilities.

Disadvantages

• Limited memory and I/O capabilities compared to higher-end microcontrollers.
• May not be suitable for complex applications requiring extensive computational resources.

Working Principles

The ATTINY28L-4PU operates based on the principles of embedded control, utilizing its integrated peripherals and processing capabilities to execute programmed instructions and interact with external devices.

Detailed Application Field Plans

The ATTINY28L-4PU is well-suited for various embedded control applications, including but not limited to: - Home automation systems - Industrial control systems - Consumer electronics - Sensor interfaces - Motor control applications

Detailed and Complete Alternative Models

Alternative models to the ATTINY28L-4PU include: - ATTINY25 - ATTINY45 - ATTINY85 - ATTINY2313

These alternative models offer varying memory sizes, I/O configurations, and peripheral sets to cater to different application requirements.

In conclusion, the ATTINY28L-4PU is a versatile microcontroller suitable for a wide range of embedded control applications, offering a balance of performance, power efficiency, and integration. Its specifications, functional features, and application flexibility make it a valuable component in the design and development of electronic systems.

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