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1、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 century as
2、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.1, radio has created generat
3、ions 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 telemetry, re
4、mote 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 began e-wo
5、rld 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; report issue
6、d 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, Professor of the
7、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.2, from the pop
8、ularity of the radio era to era of electronic technologyThe early radio technology to promote the development of electronic technology, most notably electronic vacuum tube technology to semiconductor electronic technology. Semiconductor technology to realize the active device miniaturization and low
9、 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, forming the modern electronic technology leap from discrete electronics into the era of
10、 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 freed the design of the circuit unit dedicated to system design, greatly liberati
11、ng 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 logic circuits, such as gates, counters, timers, shift registers, and analog switches
12、, 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 the radio as the center of electronic technology turned to mechanical engineering
13、 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 universal age of electronic technology, wireless technology as the field of electron
14、ic 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 into a dedicated integrated devices such as radios, electronic clocks, calculator
15、s, electronic engineers in these areas from the circuit, the system designed to debug into the device selection, peripheral device adapter work. Electronic technology, and electronic products enriched, electronic engineers to reduce the difficulty, but at the same time, radio technology, electronic
16、technology has weakened the charm. The development of semiconductor integrated circuits classical electronic systems are maturing, remain in the large scale integrated circuit other thanthe shrinking of electronic technology, electronic technology is not the old days of radio fun times and comprehen
17、sive engineering training. 3, from the classic era of electronic technology to modern electronic technology of the times 80 years into the 20th century, 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
18、 the computer embedded applications. Modern computer numerical requirements should be born. A long period of time, is to develop the massive computer numerical duty. But the computer shows the logic operation, processing, control, attracting experts in the field of electronic control, they want deve
19、lopment to meet the control object requirements of embedded applications, computer systems. If you meet the massive data-processing computer system known as general-purpose computer system, then the system can be the embedded object (such as ships, aircraft, motorcycles, etc.) in a computer system c
20、alled the embedded computer. Clearly, both the direction of technology development are different. The former requires massive data storage, handling, processing and analysis of high-speed data transmission; while the latter requires reliable operation in the target environment, the external physical
21、 parameters on high-speed acquisition, analysis and processing logic and the rapid control of external objects. It will add an early general-purpose computer data acquisition unit, the output driver circuit reluctance to form a heat treatment furnace temperature control system. This general-purpose
22、computer system is not possible for most of the electronic system used, and to make general-purpose computer system meets the requirements of embedded applications, will inevitably affect the development of high-speed numeric processing. In order to solve the contradiction between the development of
23、 computer technology, in the 20th century 70s, semiconductor experts another way, in full 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
24、 chip in the computer industry began to appear in the general-purpose computer systems 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 compu
25、ter systems, and real embedded system began in the emergence of SCM. Because the microcontroller 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 s
26、pace, large-scale integrated circuits low-cost, good peripheral interface bus and outstanding 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 widesp
27、read use of electronic systems to enable rapid transition to the classical modern intelligent electronic systems. 4, single chip to create the modern era of electronic systems1 A microcontroller and embedded Systems Embedded computer systems from embedded applications, embedded systems for early gen
28、eral-purpose computer adapted to the object system embedded in a variety of electronic 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 requir
29、ed data collection, processing, status display, the output control functions, as embedded 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 t
30、ypical embedded systems. SCM is the early application of technical 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 f
31、unctions, in particular, 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 o
32、bject system to achieve 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
33、 to the households, are 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
34、control; air conditioner 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
35、the entire electronics 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 /
36、LCD display units, voice 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
37、meet the communication requirements various bus driver, level converters. Electronic components in the embedded systems world, driven by embedded applications along fully meet requirements of modern electronic systems development.This makes the original classic world of increasingly small electronic
38、 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 eliteIf the 50s, radio has created several generations of the world elite, then todays SCM will create a new generation of e-world el
39、ite.1 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, body, microcontroller applications, the appl
40、ication 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 displayed after the end of the current results,
41、 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 renovated function. It is also present in many
42、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 computer. People using the computer, only the peo
43、ple 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 from the learning technology applications in t
44、odays 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 intelligent microcontroller hands-on toys, diffe
45、rent applications can be designed to achieve different functions. Both software design and hardware making there, both mental and physical, but also hands. Primary level can develop intelligent toys, with macro programming. Intermediate levels can develop some intelligent controller, such as compute
46、r 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-level language with assembly language or design application. Microcontroller and embedded systems around th
47、e 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 the 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
48、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,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
49、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.无线电技术成为当时青少年科普,科技教 育最普及,最广泛的内容.至今,许多老一辈的工程师、专家、教授当年都是无线电爱好者.无线电技术的无穷乐趣,无线电技术的全面训练,从电子学基本原理,电子元器件基础到无线电遥控,遥测,遥信电子系统制作,培养出了几代科技英才.二 , 从无线电时代到电子技术普及时代 早期的无线电技术推动了电子技术的发展,其中最主要的是真空管电子技术向半导体电子技术的发展.半导体电子技术使有源器件实现了微小型化和低成本,使无线电技术有了更大普及和创新,并大大地开阔了许多非无线电的控制领域. 半导体技术发展导致集成电路器件的产生,形成了近代电子技术的飞跃,电子技术从分立器件时代走进了电路集成时代.电子设计工程师不再用分立的电子元器件设计电路单元,而直接选择集成化的电路单元器件构成系统.他们从电路单元设计中解放出来,致力于系统
