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How ATTINY84 Microcontroller Powers Embedded Systems

The ATTINY84 microcontroller is a versatile and compact solution that’s widely used in embedded systems and small electronics projects. This article covers everything from its features and applications to alternative options and technical specifications, helping you decide if it’s the right choice for your needs.

Catalog

[IMAGE OF ATTINY84]

Overview of ATTINY84

The ATTINY84 is a compact, low-power microcontroller that’s designed to deliver reliable performance in a range of applications. It uses an 8-bit architecture that’s efficient and capable of handling many tasks for embedded systems, especially where energy efficiency matters. With 14 independent pins, 12 of which can be configured as I/O pins, it offers flexibility in small-scale projects. Its simple architecture and low power consumption make it suitable for both beginner and advanced projects, especially those where space or power limitations are a consideration.

ATTINY84 Pin Configuration

[IMAGE OF ATTINY84 Pin Configuration]

[TABLE OF ATTINY84 Pin Configuration]

ATTINY84 CAD Model

ATTINY84 Symbol

[IMAGE OF ATTINY84 Symbol]

ATTINY84 Footprint

[IMAGE OF ATTINY84 Footprint]

ATTINY84 3D Model

[IMAGE OF ATTINY84 3D Model]

ATTINY84 Technical Specifications

Technical specifications, features, characteristics, and components with comparable specifications of Microchip Technology ATTINY84.

[TABLE OF Specifications]

ATTINY84 Functional Diagram

[IMAGE OF ATTINY84 Block Diagram]

Key Features of ATTINY84

Memory Capacity

The ATTINY84 comes with 8K bytes of flash memory, allowing you to store larger programs and more complex instructions. This memory capacity gives it the flexibility to handle tasks that require more detailed coding without running out of space.

EEPROM and SRAM Storage

Equipped with 512 bytes of EEPROM and 512 bytes of SRAM, the ATTINY84 offers reliable storage for your program data and temporary operations. EEPROM provides space for data that needs to be retained even when the device is powered off, while SRAM handles temporary data during processing, keeping everything running smoothly.

Processing Speed

With a maximum frequency of 20MHz, the ATTINY84 delivers quick response times for a wide range of applications. This processing speed supports efficient handling of operations, making it a reliable choice for projects requiring prompt task execution.

Input/Output Options

This microcontroller has 12 general-purpose I/O lines, giving you multiple connection points for sensors, displays, or other components. These lines allow for versatile control, letting you customize connections based on the needs of your project.

SPI and I2C Support

The ATTINY84 includes both SPI and I2C communication interfaces, which makes connecting it to other devices straightforward. SPI and I2C allow for easy data exchange with peripherals, opening up more possibilities for expanding your project’s capabilities.

Alternative Options for ATTINY84

• ATtiny2313A (Exact Alternative with the new release)

• ATtiny417

• ATtiny28L

• ATtiny48

• ATmega88PA

• ATmega8A

• ATmega8515

• ATmega8535

• ATmega645A

• ATmega6490

Practical Uses for ATTINY84

Mobile Embedded Systems

With its low power consumption and various power-saving modes, the ATTINY84 is suitable for battery-operated or portable devices. This efficiency allows it to keep running for extended periods without frequent recharging, making it a good fit for mobile applications.

Compact Board Projects

Its small size and straightforward design make the ATTINY84 ideal for projects where space is limited. It’s often used in applications where every bit of space counts, allowing you to keep the design compact without sacrificing functionality.

Multi-Function Applications

Thanks to its 8K bytes of program memory, the ATTINY84 can manage a wide range of tasks simultaneously. This memory capacity is useful in applications that need to handle multiple functions, such as sensing, control, and data processing, all within a single device.

Cost-Sensitive Projects

The ATTINY84 is also a cost-effective option, making it popular for projects where budget is a concern. Its affordability doesn’t compromise its performance, so you can achieve reliable functionality at a lower cost, which is beneficial for both hobbyists and larger-scale projects.

ATTINY84 Applications

Development Boards

Often integrated into development boards, the ATTINY84 serves as a learning platform for both beginners and advanced users. Development boards provide easy access to all its functions, making it ideal for experimenting with microcontroller programming.

Hobby Projects

For hobbyists, the ATTINY84 offers a versatile foundation for projects ranging from basic electronics to more complex automated systems. Its flexibility in handling various inputs and outputs makes it a favorite among DIY electronics enthusiasts.

Industrial Control Systems

In industrial settings, the ATTINY84 can be used for controlling equipment, managing automated processes, and handling simple tasks in machinery. Its reliability and processing power allow it to maintain consistent performance even in demanding conditions.

Power Regulation Systems

The ATTINY84 finds use in SMPS (Switch Mode Power Supply) and other power regulation systems, where it helps monitor and manage power delivery efficiently. Its power-saving modes make it a practical choice for power-sensitive applications.

Signal Measurement and Manipulation

This microcontroller is also suitable for analog signal measurement and control applications, where precise data handling is needed. It can manage analog inputs, making it useful in projects that need accurate data collection and manipulation.

Embedded Systems

In embedded systems, such as those found in household appliances like coffee machines or vending machines, the ATTINY84 helps control basic operations. It’s small and efficient, providing reliable service in everyday devices.

Display and Interface Systems

The ATTINY84 is often used in display units and interface systems to handle user inputs and outputs. Its versatility makes it adaptable for different types of interfaces, from simple LED displays to more complex control panels.

Comparison of ATTINY84, ATTINY44, and ATTINY24

When looking at the ATTINY84, ATTINY44, and ATTINY24, the primary difference lies in the amount of flash memory each version offers. The ATTINY84 is equipped with a larger memory capacity than the other two, which can be helpful when your project requires more storage for code or functions. This can be especially useful in prototyping or applications that may need that extra space for expanded functionality. The other two models, ATTINY44 and ATTINY24, offer similar performance but with less memory, making them more cost-effective options for simpler applications. Choosing between them often comes down to how much memory your project needs and whether you’re prioritizing budget over storage capacity.

Manufacturer Information for ATTINY84

Microchip Technology Inc. is the company behind the ATTINY84, known for its extensive line of microcontrollers and semiconductor solutions. With a commitment to high-quality production and reliable customer support, Microchip has built a reputation for dependable components that meet a wide range of needs. Their products are commonly used in both commercial and personal projects, making them a go-to choice for developers who want both performance and durability. Based in Chandler, Arizona, Microchip provides detailed resources and support for users, ensuring a smooth development experience for projects of all sizes.

Frequently Asked Questions [FAQ]

1. What microcontroller can replace the ATTINY85?

The STM8S series is a good option to consider as a substitute for the ATTINY85. Among this series, the STM8S103 (20-pin version) is especially compatible and can handle similar tasks.

2. How does the ATTINY44 differ from the ATTINY84?

The main difference between the ATTINY44 and the ATTINY84 is in their memory capacities. The ATTINY44 has 4K flash memory, 256 bytes of EEPROM, and 256 bytes of SRAM. In contrast, the ATTINY84 offers double these capacities, with 8K flash memory, 512 bytes of EEPROM, and 512 bytes of SRAM, making it better suited for projects requiring more storage.