ATTINY24-20SSU
8-bit AVR microcontrollers with 2KB flash, 128B RAM, 14-pin SOIC
Manufacturer： ['microchip', 'atmel']
series introduction
# Introduction to the ATTINY24 - 20SSU Product Series
## 1. Overview
The ATTINY24 - 20SSU is a member of the highly regarded AVR® microcontroller family from Microchip Technology. This product series is specifically designed to offer a compact, cost - effective, and power - efficient solution for a wide range of embedded applications. With its advanced features and capabilities, it has become a popular choice among engineers and hobbyists alike.
## 2. Key Features
### 2.1 Microcontroller Core
- **AVR Architecture**: Based on the AVR RISC (Reduced Instruction Set Computing) architecture, the ATTINY24 - 20SSU provides high - performance processing. It can execute most instructions in a single clock cycle, enabling fast and efficient code execution. This results in reduced processing time and improved overall system performance.
- **8 - bit CPU**: The 8 - bit central processing unit offers a good balance between simplicity and functionality. It is suitable for applications that do not require the high - end processing power of a 32 - bit or 64 - bit CPU but still need reliable and efficient data handling.
### 2.2 Memory
- **Flash Memory**: The microcontroller comes with 2 KB of in - system self - programmable Flash memory. This non - volatile memory is used to store the program code. The in - system self - programming feature allows for easy firmware updates, even after the device is installed in the final product.
- **SRAM**: There is 128 bytes of SRAM (Static Random - Access Memory) available for data storage during program execution. This provides sufficient space for variables, buffers, and other data that need to be accessed quickly.
- **EEPROM**: An additional 128 bytes of EEPROM (Electrically Erasable Programmable Read - Only Memory) is included. EEPROM is useful for storing critical data that needs to be retained even when the power is turned off, such as calibration values or user settings.
### 2.3 Peripherals
#### 2.3.1 Timers/Counters
- **Two 8 - bit Timers/Counters**: These timers can be used for a variety of purposes, such as generating accurate time delays, PWM (Pulse Width Modulation) signals for motor control or LED dimming, and event counting. They offer different operating modes, including normal mode, CTC (Clear Timer on Compare Match) mode, and PWM mode, providing flexibility in application design.
- **One 16 - bit Timer/Counter**: The 16 - bit timer/counter provides higher precision and a wider range of counting values compared to the 8 - bit timers. It is particularly useful for applications that require long - term timekeeping or high - resolution PWM generation.
#### 2.3.2 Analog - to - Digital Converter (ADC)
- **10 - bit ADC**: The built - in 10 - bit ADC allows the microcontroller to convert analog signals from sensors or other analog sources into digital values. With a resolution of 10 bits, it can provide up to 1024 discrete levels of measurement, enabling accurate sensing of physical quantities such as temperature, pressure, and light intensity.
#### 2.3.3 USART (Universal Synchronous/Asynchronous Receiver/Transmitter)
- **Full - duplex USART**: The USART peripheral enables serial communication with other devices, such as computers, sensors, or other microcontrollers. It supports both synchronous and asynchronous communication modes, allowing for flexible data transfer at various baud rates.
#### 2.3.4 SPI (Serial Peripheral Interface)
- **SPI Interface**: The SPI interface provides a high - speed serial communication option for connecting
Images for reference
14-SOIC
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