The development of embedded systems and intelligent hardware is surging, and has entered all aspects of life in many fields such as military industry, communication, transportation, finance, medical treatment, meteorology, and agriculture. Comparing embedded products with ordinary PCs will be easy to understand. Our ordinary computer is a general-purpose computer, and we can use it to complete many operations, such as basic office functions, various entertainment functions, various image processing functions, video processing functions, various online communication functions, networking functions, and even some programming development functions In short, it can realize many functions, which is why the computer needs a certain boot time, because it needs to provide basic configuration for the realization of many functions.
Embedded systems are application-centric, based on computer technology, and software and hardware can be tailored, and are suitable for computer systems with strict requirements on function, reliability, cost, volume and power consumption. Embedded technology can make electronic products have more powerful and comprehensive functions than only using hardware, so it can be used in various electronic products. Embedded systems are found in a wide variety of applications, from small applications in items such as electronic timekeepers, to complex systems such as gaming consoles and even major factory and other industrial systems.
Embedded systems generally do not have a clear distinction between system software and application software, and do not require their functional design and implementation to be too complicated, which is conducive to controlling system costs and realizing system security. The application program of the embedded system can run directly on the chip without an operating system; but in order to reasonably schedule multi-tasks, utilize system resources, system functions, and interface with expert library functions, users must choose an RTOS (Real-Time Operating System) Only in this way can we ensure the real-time performance and reliability of program execution, reduce development time and ensure software quality.
Single-chip microcomputers are very different from devices currently on the market. These single-chip microcomputers were revolutionary products at the time, changing the scope of application of embedded circuits. Nowadays, due to the rapid development of flash memory, single-chip microcomputers can be used in almost all fields through programming. As applications become more complex, new programs require more space/memory. Therefore, the new generation of MCUs will provide larger memory when necessary to meet the growing code space requirements. Proven by rigorous automotive testing, the embedded flash memory can last for years and is extremely durable. These features add a new dimension to the value proposition of 8-bit microcontrollers. Today, 8-bit microcontrollers range in memory size from as low as 384 bits to as high as 128 KB and beyond to meet the growing number of applications.
About 90% of computer application development in the Internet of Things era will involve embedded development. The annual growth rate of the global embedded software market exceeds 12.5%. The annual industrial output value brought by embedded systems will reach 1 trillion US dollars. China’s embedded software industry will maintain a compound annual growth rate of more than 40% in the next three years, and there will be more than 100,000 vacancies related to embedded software.
The embedded systems market has come a long way in the past few years. With the emergence of the Internet of Things and the Industrial Internet of Things, embedded control system information technology has become the enabler of the rapid economic development of intelligent and connected Internet of Things ecosystem systems. The broad, diverse, and highly fragmented embedded systems market includes software, development platforms, and hardware. More and more industries, products and services now rely on embedded systems. Industrial markets for embedded systems include communications, automotive, APP e-commerce system development, aerospace, consumer electronics, military systems, and industrial control and others including smart cities.
In order to improve the execution speed and system reliability of the embedded system, the software in the embedded system is generally solidified in the memory chip or the single-chip microcomputer itself, rather than being stored in a carrier such as a disk. The hardware and software of the embedded system must be carefully designed, tailor-made, remove redundancy, and strive to achieve higher performance on the same silicon chip area, so that the choice of processors in specific applications can be more competitive. Embedded system is the product of combining advanced computer technology, semiconductor technology and electronic technology with specific applications in various industries. This determines that it must be a technology-intensive, capital-intensive, highly decentralized and innovative knowledge integration system.