Introduction
The ATtiny2313A-PU is a versatile and compact 8-bit microcontroller from the Atmel AVR family, designed for low-power applications and DIY electronics projects. It combines simplicity, reliability, and cost-efficiency, making it ideal for embedded systems and small-scale designs.
Key Features
- Architecture: 8-bit RISC with 20 MHz maximum clock speed
- Memory: 2 KB Flash, 128 bytes EEPROM, 128 bytes SRAM
- I/O Pins: 18 general-purpose pins, including 2 PWM outputs
- Communication Interfaces: USART, SPI, and I2C
- Low Power: Power-saving sleep modes for battery efficiency
- Programming: Compatible with Arduino IDE and AVR Studio
Pinout and Functional Description
The ATtiny2313A-PU features a 20-pin configuration, providing versatile functions for embedded designs. Here’s a detailed breakdown of the pins:
| Pin | Function |
|---|---|
| 1 (RESET) | External reset input, also serves as a general-purpose I/O pin |
| 2-4 | Port B: Digital I/O pins, SPI functionality (MISO, MOSI, SCK) |
| 5-8 | Port D: General-purpose digital pins with UART functionality (RXD, TXD) |
| 9 (VCC) | Power supply pin (+2.7V to +5.5V) |
| 10 (GND) | Ground connection |
| 11-20 | Combination of Port A and Port B pins, supporting I2C, PWM, and analog input |
Applications
The ATtiny2313A-PU is widely used in the following areas:
- Home automation systems
- Wearable technology and portable devices
- Battery-operated projects requiring efficient power use
- Basic sensor monitoring and data logging
- DIY electronics, including LED control and simple robotics
Programming
Programming the ATtiny2313A-PU is straightforward with the following tools:
- Arduino IDE: Simplifies programming for beginners using Arduino-compatible libraries.
- AVR Studio: Advanced development environment for professionals.
Workflow
- Connect the ATtiny2313A-PU to your programmer (e.g., USBasp or AVRISP).
- Write your code in Arduino IDE or AVR Studio.
- Upload the compiled firmware to the microcontroller.
The ATtiny2313A-PU supports ISP (In-System Programming) for easy updates.