ATTINY2313A-PU Series

series introduction

# Introduction to the ATTINY2313A - PU Product Series

## 1. Overview
The ATTINY2313A - PU is a member of the AVR® 8 - bit microcontroller family developed by Microchip Technology. This product series is designed to offer a high - performance, cost - effective solution for a wide range of embedded applications. With its compact size, low power consumption, and rich set of features, the ATTINY2313A - PU is well - suited for projects where space and power efficiency are crucial.

## 2. Key Features

### 2.1 Microcontroller Core
- **AVR Architecture**: Based on the advanced AVR RISC architecture, the ATTINY2313A - PU can execute most instructions in a single clock cycle, achieving a throughput of up to 1 MIPS per MHz. This allows for efficient and fast processing of tasks, enabling real - time control and data handling.
- **8 - bit CPU**: The 8 - bit central processing unit provides sufficient processing power for many common applications, such as sensor data acquisition, simple motor control, and basic user interface management.

### 2.2 Memory
- **Flash Memory**: It comes with 2 KB of in - system self - programmable Flash memory. This non - volatile memory is used to store the program code, allowing for easy reprogramming during development and in - field updates.
- **SRAM**: The device has 128 bytes of internal Static Random - Access Memory (SRAM). SRAM is used for storing variables and data during program execution, providing fast access for efficient data processing.
- **EEPROM**: There is also 128 bytes of Electrically Erasable Programmable Read - Only Memory (EEPROM). EEPROM is ideal for storing critical data that needs to be retained even when the power is turned off, such as calibration values or configuration settings.

### 2.3 I/O Ports
- **Multiple I/O Pins**: The ATTINY2313A - PU features a total of 20 pins, with several of them dedicated to general - purpose input/output (GPIO) functions. These GPIO pins can be easily configured to interface with external devices such as sensors, actuators, displays, and communication modules.
- **Pull - up Resistors**: Each GPIO pin can be individually configured with an internal pull - up resistor, which simplifies the circuit design when interfacing with external devices that require a pull - up connection.

### 2.4 Peripherals

#### 2.4.1 Timer/Counters
- **Two 8 - bit Timer/Counters**: These timer/counters can be used for a variety of applications, including generating accurate time delays, measuring time intervals, and generating pulse - width modulation (PWM) signals. PWM signals are commonly used for motor speed control, LED brightness adjustment, and other applications that require analog - like control.
- **One 16 - bit Timer/Counter**: The 16 - bit timer/counter provides higher precision and a wider range of timing capabilities compared to the 8 - bit ones. It can be used for more demanding applications such as high - speed motor control or accurate frequency measurement.

#### 2.4.2 USART
- **Universal Synchronous/Asynchronous Receiver/Transmitter (USART)**: The USART peripheral enables serial communication with other devices. It supports both synchronous and asynchronous communication modes, allowing for easy integration with serial devices such as serial sensors, modems, and other microcontrollers. This makes it suitable for applications that require data exchange over a serial link, such as remote monitoring and control systems.

#### 2.4.3 SPI
- **Serial Peripheral Interface (SPI)**: The SPI interface provides a high -

Images for reference

20-DIP

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Datasheets

Partlist

ATTINY2313A-PU