With the rapid development of electronic information science, in recent years, the names "embedded system" and "embedded processor" have become the concern of electronic engineers, for which a lot of efforts have been devoted to research.
There are more than 1000 kinds of embedded processors in the world, and there are more than 30 series of popular architectures. Almost every semiconductor manufacturer now produces embedded processors.
The design of embedded microprocessor is similar to that of ordinary desktop computer microprocessor in basic principle, but it has higher working stability, less power consumption, strong adaptability to the environment (such as temperature, humidity, electromagnetic field, vibration, etc.), smaller volume, and more integrated functions.
There are more than 1000 kinds of embedded processors in the world, and there are more than 30 series of popular architectures. Almost every semiconductor manufacturer now produces embedded processors
Embedded processors are widely used in PC. Embedded microcontroller is the mainstream product of embedded system chip, which has many varieties and large quantities. With the rapid development of embedded microprocessors, embedded systems have been widely used in various fields of our life, such as computers, automobiles, space shuttles and so on.
Among them, the design link is similar to software, which belongs to pure knowledge labor. It has developed most successfully in China, and has produced a number of competitive companies; Wafer manufacturing is a super technology intensive and capital intensive industry. It is a global oligopoly. TSMC monopolizes half of the global market, and SMIC ranks fifth in the world; Packaging and testing also emphasizes technology and capital. The most powerful enterprise in China is Changdian technology, ranking seventh in the world.
In the field of embedded systems in China, the relatively recognized concept of embedded systems is that embedded systems are application-oriented, based on computer technology, and the software and hardware can be tailored. They are suitable for special computer systems where the application system has strict requirements on function, reliability, cost, volume and power consumption. It is generally composed of four parts: embedded microprocessor, peripheral hardware devices, embedded operating system and user's application program, which are used to realize the functions of control, monitoring or management of other devices.