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Embedded system basics: what is embedded system

作者:富连达发布日期:2023-07-20浏览人数:57

In our daily life, we often use many electrical and electronic circuits and kits designed with embedded systems technology. Embedded systems design computers, cell phones, tablets, laptops, digital electronic systems and other electronic and electrical devices.


What are embedded systems?


An electronic system that integrates hardware circuits with software programming techniques that provide project solutions is called an embedded system. The use of this embedded system technology can greatly reduce the complexity of the circuitry, further reducing cost and size.


Embedded System Design


An embedded system is basically an electronic system that can be organized and perform single or multiple tasks depending on the application programmed or unprogrammed. In real-time embedded systems, all assembled units are based on programs or rule sets or codes of the embedded microcontroller. However, only a limited range of problems can be solved using this microcontroller programming technique.


Embedded system hardware


Every electronic system consists of hardware circuits. Similarly, embedded systems include hardware such as power supply kits, central processing units, memory devices, timers, output circuits, serial communication ports, and special circuit elements and circuits for system applications.


Software Programming for Embedded Systems


An embedded system is an integration of hardware and software. The software used in an embedded system is a set of instructions called a program. The microprocessor or microcontroller used in the hardware circuitry of an embedded system is programmed to follow that set of instructions to perform specific tasks. These programs are mainly written by programming software and programming languages. The program is then transferred to the microprocessor or microcontroller used in the embedded system circuitry.


Classification of Embedded Systems


Embedded systems are mainly categorized into different types based on the complexity of hardware, software and microcontrollers (8 or 16 or 32 bit). Therefore, based on the performance of the microcontroller, embedded systems are categorized into three types: small embedded systems, medium-sized embedded systems and advanced embedded systems.


In addition, based on the performance and functional requirements of system embedded systems, they can be categorized into four types: real-time embedded systems, stand-alone embedded systems, network embedded systems and mobile embedded systems.


 


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