ATTINY87-A15XD

Product Overview

• Category: Microcontroller
• Use: Embedded systems, IoT devices, and other electronic applications
• Characteristics:
  • Low power consumption
  • High performance
  • Small form factor
  • Wide operating voltage range
• Package: 32-pin QFN
• Essence: A versatile microcontroller designed for various applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Architecture: AVR
• Flash Memory: 8KB
• RAM: 512B
• EEPROM: 256B
• Operating Voltage: 1.8V - 5.5V
• Speed Grade: 15 MHz
• Digital I/O Pins: 26
• Analog Input Channels: 12
• PWM Channels: 6
• Communication Interfaces: SPI, I2C, UART
• Timers/Counters: 3
• ADC Resolution: 10-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATTINY87-A15XD microcontroller has a total of 32 pins. The pin configuration is as follows:

• VCC: Power supply voltage
• GND: Ground
• XTAL1/CLKI: Crystal oscillator input or external clock input
• XTAL2/CLKO: Crystal oscillator output or clock output
• RESET: Reset input
• ADC0-ADC11: Analog input channels
• PCINT0-PCINT7: Pin change interrupt inputs
• T0-T2: Timer/Counter inputs
• OC0A-OC0F: Output compare outputs
• MOSI, MISO, SCK: SPI communication interface pins
• SDA, SCL: I2C communication interface pins
• RXD, TXD: UART communication interface pins

Functional Features

• Low power consumption enables battery-powered applications
• High-performance AVR architecture for efficient execution of instructions
• Small form factor allows for compact designs
• Wide operating voltage range provides flexibility in various power supply scenarios
• Multiple communication interfaces facilitate connectivity with other devices
• Timers and counters enhance timing and control capabilities
• Analog input channels enable measurement and monitoring of external signals

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life - High-performance architecture ensures efficient operation - Small form factor enables compact and portable designs - Wide operating voltage range accommodates different power sources - Versatile communication interfaces enhance connectivity options - Ample analog input channels for signal monitoring and measurement

Disadvantages: - Limited flash memory and RAM may restrict complex applications - Relatively small number of I/O pins may limit the number of connected peripherals - Lack of built-in hardware encryption may pose security concerns in certain applications

Working Principles

The ATTINY87-A15XD microcontroller operates based on the AVR architecture. It executes instructions stored in its flash memory, utilizing its internal registers and peripherals to perform various tasks. The microcontroller can communicate with other devices through its SPI, I2C, and UART interfaces. It can also generate PWM signals for controlling motors or generating analog output voltages. The ADC allows for analog signal conversion, enabling measurement and monitoring of external signals.

Detailed Application Field Plans

The ATTINY87-A15XD microcontroller finds applications in various fields, including but not limited to:

1. Home Automation: Controlling lights, appliances, and security systems.
2. Industrial Automation: Monitoring and controlling machinery and processes.
3. Internet of Things (IoT): Building smart devices and connecting them to the internet.
4. Consumer Electronics: Powering wearable devices, remote controls, and small gadgets.
5. Automotive: Implementing control systems for automotive applications.
6. Medical Devices: Enabling monitoring and control in medical equipment.

Detailed and Complete Alternative Models

1. ATTINY85-A15XU: Similar to ATTINY87-A15XD but with 8KB flash memory and 512B RAM.
2. ATTINY88-A15XU: Offers additional I/O pins compared to ATTINY87-A15XD.
3. ATTINY84A-A15XU: Lower pin count version with 8KB flash memory and 512B RAM.
4. ATTINY167-A15XU: Higher pin count variant with 16KB flash memory and 512B RAM.
5. ATTINY4313-A15XU: Lower pin count option with 4KB flash memory and 256B RAM.

These alternative models provide different combinations of features and pin counts, allowing designers to choose the most suitable microcontroller for their specific requirements.

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