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equipment for the intelligent management and process control, generally can be divided into the following categories: 1. On smart instrumentation The microcontroller has a small size, low power consumption, and control functions, and expansion of the advantages of flexibility, miniaturization and easy to use, widely used in instrumentation, bined with different types of sensors can be 北京化工大學(xué)北方學(xué)院畢業(yè)設(shè)計(jì)(論文) —— 外文文獻(xiàn)原稿和譯文 4 realized such as voltage, power, frequency, humidity, temperature,flow, speed, thickness, angle, length, hardness, elements, pressure and other physical makes the digital instrumentation, intelligent, miniaturization and more powerful function than the use of electronic or digital as precision measuring equipment (power meter, oscilloscope, analyzer). industrial control applications MCU can constitute various forms of control systems, data acquisition as factory assembly line of intelligent pipe Household Appliances It can be said of home appliances is basically using the MCU control, electric rice praise, washing machines, refrigerators, air conditioners, color TVs, and other audio video equipment, then the electronic weighing equipment, varied, omnipresent. the field of puter works and munication Modern microcontroller with universal munication interface can be easily and puter data munications, provides excellent material for use in puter works and munication devices, munication equipment basically to the MCU intelligent control from themobile phones, telephones, small programcontrolled switchboards, building automated munications call systems, train radio munications, and then to the ubiquitous mobile phones in their daily work, trunking mobile munication radios. in the field of medical equipment The microcontroller uses in medical devices is also quite extensive, such as medical ventilator, a variety of analyzers, monitors, ultrasound diagnostic equipment and hospital beds call system and so on. applications in a variety of large appli ances Some dedicated microcontroller designed for specific functions, modular applications in a variety of circuit, without requiring the use of personnel to understand its internal singlechip, such as music, seemingly simple function, miniature pure electronic chip (as opposed to the principle of the tape drive), you need a plex similar to the principle of the as: the 北京化工大學(xué)北方學(xué)院畢業(yè)設(shè)計(jì)(論文) —— 外文文獻(xiàn)原稿和譯文 5 music signal in digital form in memory (similar to the ROM), read by the microcontroller into analog music signal (similar to the sound card). In large circuits, this modular application greatly reduce the size, simplifying the circuit, reducing the damage, error rate, is also convenient to replace. in the field of automotive equipment The microcontroller is widely used in automotive electronics, such as automotive engine controllers,