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1、1 / 12 From the world of radio in the world to a single chip Modern computer technology, industrial revolution, the world economy from the capital into the economy to knowledge economy. Field in the electronic world, from the 20th century into the era of radio to computer technology in the 21st cent
2、ury as the center of the intelligent modern era of electronic systems. The basic core of modern electronic systems are embedded computer systems (referred to as embedded systems, while the microcontroller is the most typical and most extensive and most popular embedded systems. First, radio has crea
3、ted generations of excellence in the worldFifties and sixties in the 20th century, the most representative of the advanced electronic technology is wireless technology, including radio broadcasting, radio, wireless communications (telegraph, Amateur Radio, radio positioning, navigation and other tel
4、emetry, remote control, remote technology. Early that these electronic technology led many young people into the wonderful digital world, radio show was a wonderful life, the prospects for science and technology. Electronics began to form a new discipline. Radio electronics, wireless communications
5、began e-world journey. Radio technology not only as a representative of advanced science and technology at that time, but also from popular to professional fields of science, attracting the young people and enable them to find a lot of fun. Ore from the bedside to the superheterodyne radio radio。 re
6、port issued from the radio amateur radio stations。 from the telephone, electric bell to the radio control model. Became popular youth radio technology, science and technology education is the most popular and most extensive content. So far, many of the older generation of engineers, experts, Profess
7、or of the year are radio enthusiasts. Fun radio technology, radio technology, comprehensive training, from basic principles of electronics, electronic components to the radio-based remote control, telemetry, remote electronic systems, has trained several generations of technological excellence. 精选学习
8、资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 12 页2 / 12 Second, from the popularity of the radio era to era of electronic technology The early radio technology to promote the development of electronic technology, most notably electronic vacuum tube technology to semiconductor electronic technolo
9、gy. Semiconductor technology to realize the active device miniaturization and low cost, so more popular with radio technology and innovation, and to greatly broaden the number of non-radio-control areas. The development of semiconductor technology lead to the production of integrated circuit, formin
10、g the modern electronic technology leap from discrete electronics into the era of era of integrated circuits. Electronic design engineers no longer use the discrete electronic components designed circuit modules, and direct selection of integrated circuit components constitute a single system. They
11、freed the design of the circuit unit dedicated to system design, greatly liberating the productive forces of science and technology, promote the wider spread of electronic systems. Semiconductor integrated circuits in the basic digital logic circuits first breakthrough.A large number of digital logi
12、c circuits, such as gates, counters, timers, shift registers, and analog switches, comparators, etc., for the electronic digital control provides excellent conditions for the traditional mechanical control to electronic control. Power electronic devices and sensor technology to make the original to
13、the radio as the center of electronic technology turned to mechanical engineering in the field of digital control systems, testing in the field of information collection, movement of electrical mechanical servo drive control object. Semiconductor and integrated circuit technology will bring us a uni
14、versal age of electronic technology, wireless technology as the field of electronic technology a part of. 70 years into the 20th century, large scale integrated circuit appeared to promote the conventional electronic circuit unit-specific electronic systems development. Many electronic systems unit
15、into a dedicated integrated devices such as radios, electronic clocks, calculators, electronic engineers in these areas from the circuit, the system designed to debug into the device selection, peripheral device adapter work. Electronic 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 12 页3 / 12
16、 technology, and electronic products enriched, electronic engineers to reduce the difficulty, but at the same time, radio technology, electronic technology has weakened the charm. The development of semiconductor integrated circuits classical electronic systems are maturing, remain in the large scal
17、e integrated circuit other than the shrinking of electronic technology, electronic technology is not the old days of radio fun times and comprehensive engineering training. Third, from the classic era of electronic technology to modern electronic technology of the times 80 years into the 20th centur
18、y, the century of economic change is the most important revolution in the computer. The computer revolution in the most important sign is the birth of the computer embedded applications. Modern computer numerical requirements should be born. A long period of time, is to develop the massive computer
19、numerical duty. But the computer shows the logic operation, processing, control, attracting experts in the field of electronic control, they want development to meet the control object requirements of embedded applications, computer systems. If you meet the massive data-processing computer system kn
20、own as general-purpose computer system, then the system can be the embedded object (such as ships, aircraft, motorcycles, etc. in a computer system called the embedded computer. Clearly, both the direction of technology development are different. The former requires massive data storage, handling, p
21、rocessing and analysis of high-speed data transmission 。 while the latter requires reliable operation in the target environment, the external physical parameters on high-speed acquisition, analysis and processing logic and the rapid control of external objects. It will add an early general-purpose c
22、omputer data acquisition unit, the output driver circuit reluctance to form a heat treatment furnace temperature control system. This general-purpose computer system is not possible for most of the electronic system used, and to make general-purpose computer system meets the requirements of embedded
23、 applications, will inevitably affect the development of high-speed numeric processing. In order to solve the contradiction between the 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 12 页4 / 12 development of computer technology, in the 20th century 70s, semiconductor experts another way, in f
24、ull accordance with the electronic system embedded computer application requirements, a micro-computers basic system on a chip, the formation of the early SCM (Single Chip Microcomputer. After the advent of single chip in the computer industry began to appear in the general-purpose computer systems
25、and embedded systems the two branches. Since then, both the embedded system, or general-purpose computer systems have been developed rapidly. Although the early general-purpose computer converted the embedded computer systems, and real embedded system began in the emergence of SCM. Because the micro
26、controller is designed specifically for embedded applications, the MCU can only achieve embedded applications. MCU embedded applications that best meet environmental requirements, for example, chip-level physical space, large-scale integrated circuits low-cost, good peripheral interface bus and outs
27、tanding control of instruction. A computer system microcontroller core, embedded electronic systems, intelligent electronic systems for the foundation. Therefore, the current single chip electronic system in widespread use of electronic systems to enable rapid transition to the classical modern inte
28、lligent electronic systems. 4, single chip to create the modern era of electronic systems A microcontroller and embedded systems Embedded computer systems from embedded applications, embedded systems for early general-purpose computer adapted to the object system embedded in a variety of electronic
29、systems, such as the ships autopilot, engine monitoring systems. Embedded system is primarily a computer system, followed by it being embedded into the object system, objects in the object system to achieve required data collection, processing, status display, the output control functions, as embedd
30、ed in the object system, embedded system computer does not have an independent form and function of the computer. SCM is entirely in accordance with the requirements of embedded system design, so SCM is the most typical embedded systems. SCM is the early application of technical 精选学习资料 - - - - - - -
31、 - - 名师归纳总结 - - - - - - -第 4 页，共 12 页5 / 12 requirements in accordance with the design of embedded computer chip integration, hence the name single chip. Subsequently, the MCU embedded applications to meet the growing demands of its control functions and peripheral interface functions, in particular
32、, highlight the control function, so has international name the single chip microcontroller (MCU, Microcontroller Unit. 2 MCU modern electronic systems consisting of electronic systems will become mainstream MCU is a device-level computer systems, it can be embedded into any object system to achieve
33、 intelligent control. Small to micro-machinery, such as watches, hearing aids. Low-cost integrated device-level, low-to a few dollars, ten dollars, enough to spread to many civilian SCM appliances, electronic toys to go. SCM constitutes a modern electronic systems has in-depth to the households, are
34、 changing our lives, such as home audio, televisions, washing machines, microwave ovens, telephones, security systems, and air conditioners. SCM innovation the original electronic systems, such as microwave ovens use SCM, it can easily set the clock, the program memory, power control。 air conditione
35、r after use of SCM is not only convenient for remote parameter setting, running automatically transform, frequency control can be achieved. At present, many household appliances such as VCD, DVD only single chip to achieve its function may occur before. 3 Embedded Systems led the entire electronics
36、industry Current electronic components industry, in addition to microprocessors, embedded system devices, the most modern electronic systems around the supporting components industries, such as keys used to meet the human-computer interaction, LED / LCD display drivers, LED / LCD display units, voic
37、e integrated device, etc., to meet the requirements of data acquisition channel digital sensor, ADC, data acquisition module, signal conditioning modules to meet the servo drive control in the DAC, solid state relays, stepper motor controller, frequency control unit, etc., to meet the communication
38、requirements various bus driver, level converters. Electronic components in the embedded systems world, driven by embedded applications along fully meet requirements of modern 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 12 页6 / 12 electronic systems development. This makes the original clas
39、sic world of increasingly small electronic systems. Practitioners in the various electronic systems to modern electronic systems as early as possible to stay. 5, SCM will create a new generation of electronic elite If the 50s, radio has created several generations of the world elite, then todays SCM
40、 will create a new generation of e-world elite. A single chip with you to the intelligent electronics If we as a dead classic electronic system electronic system, then the intelligent modern electronic systems is a life of the electronic system. Application System of hardware, electronic systems, bo
41、dy, microcontroller applications, the application gives it life. For example, in the design of intelligent machines monitor display, it can boot the system self-test results show, not to enter the work shows a variety of stand-by state, equipment run-time display running processes, work can be displ
42、ayed after the end of the current results, self results, raw data, reports and other various processing. Unattended, it can run automatically given a variety of functions. Intelligent electronic systems for the endless realm, often without additional hardware resources can achieve all kinds of renov
43、ated function. It is also present in many household appliances feature a large number of additional factors. 2 single chip computer with you to the industrial area The 21st century is the century of humanity into the computer age, many people are not used in the manufacture of computer is the comput
44、er. People using the computer, only the people engaged in embedded system applications really into the internal computer system hardware and software systems, can we truly understand the nature of the computers intelligence and grasp the knowledge of intelligent design. MCU applications starting fro
45、m the learning technology applications in todays computer software training, hardware and technical personnel of one of the best roads. 3 SCM bring you into the most attractive in the digital world Charming single chip to enable you to experience the true meaning of the computer, you can design inte
46、lligent microcontroller hands-on toys, different applications can be designed to achieve 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页，共 12 页7 / 12 different functions. Both software design and hardware making there, both mental and physical, but also hands. Primary level can develop intelligen
47、t toys, with macro programming. Intermediate levels can develop some intelligent controller, such as computer mouse, smart cars, all kinds of remote control model. High levels can be developed robots, such as robot soccer, the development of industrial control units, network communications, and high
48、-level language with assembly language or design application. Microcontroller and embedded systems around the formation of the future of the electronics industry, will provide a vast world of electronic fans, an even broader than the current wireless world, richer, more durable, more attractive in t
49、he digital world. Plunge into the microcontroller in the world to, will benefit your life. 从无线电世界到单片机世界现代计算机技术的产业革命，将世界经济从资本经济带入到知识经济时代。在电子世界领域，从20 世纪中的无线电时代也进入到21 世纪以计算机技术为中心的智能化现代电子系统时代。现代电子系统的基本核心是嵌入式计算机系统 ( 简称嵌入式系统 ，而单片机是最典型、最广泛、最普及的嵌入式系统。一、无线电世界造就了几代英才在 20 世纪五六十年代，最具代表的先进的电子技术就是无线电技术，包括无线电广播、收音
50、、无线通信( 电报 、业余无线电台、无线电定位、导航等遥测、遥控、遥信技术。早期就是这些电子技术带领着许多青少年步入精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 7 页，共 12 页8 / 12 了奇妙的电子世界，无线电技术展示了当时科技生活美妙的前景。电子科学开始形成了一门新兴学科。无线电电子学、无线通信开始了电子世界的历程。无线电技术不仅成为了当时先进科学技术的代表，而且从普及到专业的科学领域，吸引了广大青少年，并使他们从中找到了无穷的乐趣。从床头的矿石收音机到超外差收音机；从无线电发报到业余无线电台；从电话、电铃到无线电操纵模型。无线电技术