What is embedded?

An embedded system is a special-purpose computer system that is part of a device or device. Typically, an embedded system is an embedded processor control board with a control program stored in ROM.

In fact, all devices with digital interfaces, such as watches, microwave ovens, video recorders, cars, etc., use embedded systems, and some embedded systems also contain an operating system, but most embedded systems are controlled by a single program. logic.

Defined from the application object, an embedded system is a combination of software and hardware, and can also cover auxiliary devices such as machinery. The domestic generally recognized embedded system is defined as:

Centered on application and based on computer technology, the software and hardware can be tailored to meet the strict requirements of the application system on functions, reliability, cost, size, power consumption, etc.

What "special purpose" directions are embedded systems used for?

An example is as follows:

Office automation: printers, copiers, fax machines
Military and aerospace products: UAVs, radars, combat robots
Home appliances: digital TV, sweeping robots, smart home appliances
Medical electronic products: biochemical analyzer blood analyzer, CT
Automotive electronics: engine control, safety systems, car navigation and entertainment systems
Network communication products: communication switching equipment, network equipment (switches, routers, network security)
Communication and entertainment: mobile phones, digital cameras, music players, wearable electronics, PSP game consoles
Industrial control products: IPC interactive terminals (POS, ATM), security monitoring, data acquisition and transmission, instrumentation

In these fields, embedded systems are used. This is just the tip of the iceberg.

It can be said that the embedded system is completely integrated into us and affects our work and life all the time.

Embedded system, since it is a computer system, must be inseparable from hardware and software.
Is the microcontroller embedded?

So is the single-chip microcomputer embedded?

In short: yes.

Because the computer system embedded in many embedded products is a single-chip computer, for example, the control board embedded in an air conditioner is actually a single-chip computer at the core. In fact, most of the computer systems embedded in home appliances are single-chip microcomputers.

Because the single-chip microcomputer is simple enough, cheap and sufficient, it is the most cost-effective and suitable to use the single-chip microcomputer.

And the field of single-chip microcomputers with the largest shipments is home appliances. Of course, there will be more and more applications of IOT in the future, which will become a large incremental market for single-chip microcomputers.

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