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    单片机外文翻译

    1、Single-chip Department: Information engineering professional : Electronic science and technology Student id: 0841330019 translator: fengli Guiding teacher: lintiejun SCM is also known as micro-controller (Microcontroller Unit), commonly used letters of the acronym MCU that it was first used in indus

    2、trial control。 Only a single chip by the CPU chip developed from a dedicated processor. The first design is by a large number of peripherals and CPU on a chip in the computer system, smaller, more easily integrated into a complex and demanding on the volume control device which. INTELsZ80 is the fir

    3、st designed in accordance with this idea processor, then on the development of microcontroller and dedicated processors have parted ways。 Are 8-bit microcontroller early or4 bits. One of the most successful is the INTEL 8031, for a simple, reliable and good performance was a lot of praise. Then deve

    4、loped in 8031 out of MCS51 MCU Systems。 SCM systems based on this system until now is still widely used。 With the increased requirements of industrial control field, began a 16-bit microcontroller, because the cost is not satisfactory but have not been very widely used. After 90 years with the great

    5、 development of consumer electronics, microcontroller technology has been a huge increase。 With INTEL i960 series, especially the later series of widely used ARM, 32-bit microcontroller quickly replace high-end 16-bit MCU status and enter the mainstream market 。 The traditional 8-bit microcontroller

    6、 performance have been the rapid increase capacity increase compared to 80 the number of times 。 Currently, high-end 32-bit microcontroller clocked over 300MHz, the performance catching the mid-90s dedicated processor, while the average model prices fall to one U.S。 dollars, the most high-end 1 mode

    7、l only 10 dollars.Modern SCM systems are no longer only in the development and use of bare metal environment, a large number of proprietary embedded operating system is widely used in the full range of SCM. The handheld computers and cell phones as the core 1 processing of high-end microcontroller c

    8、an even use a dedicated Windows and Linux operating systems。 SCM is more suitable than the specific processor used in embedded systems, so it was up to the application. In fact the number of SCM is the worlds largest computer。 Modern human life used in almost every piece of electronic and mechanical

    9、 products will be integrated single chip。 Phone, telephone, calculator, home appliances, electronic toys, handheld computers and computer accessories such as a mouse with a 1-2 in both the Department of SCM。 Personal computer will have a large number of SCM in the work。General car with more than 40

    10、SCM, complex industrial control systems may even have hundreds of SCM in the same time work! SCM is not only far exceeds the number of PC and other computing the sum, or even more than the number of human beings。 Single chip, also known as single-chip microcontroller, it is not complete a certain lo

    11、gic chips, but to a computer system integrated into a chip.Equivalent to a micro-computer, and computer than just the lack of a microcontroller I / O devices. General talk: a chip becomes a computer。 ts small size, light weight, cheap, for the study, application and development of facilities provide

    12、d. At the same time, learning to use the MCU is to understand the principle and structure of the computer the best choice。 SCM and the computer functions internally with similar modules, such as CPU, memory, parallel bus, the same effect as well, and hard disk memory devices, and different is its pe

    13、rformance of these components were relatively weak many of our home computer, but the price is low , usually not more than 10 yuan you can do with it some control for a class is not very complicated electrical work is enough of。 e are using automatic drum washing machine, smoke hood, VCD and so on a

    14、ppliances which could see its shadow! It is primarily as a control section of the core components。 It is an online real-time control computer, control-line is that the scene is needed is a stronger anti-jamming ability, low cost, and this is, and off-line computer (such as home PC), the main differe

    15、nce。 2 Single chip MCU is through running, and can be modified. Through different procedures to achieve different functions, in particular special unique features, this is another device much effort needs to be done, some great efforts are very difficult to do. A not very complex functions if the 50

    16、s with the United States developed 74 series, or the 60s CD4000 series of these pure hardware buttoned, then the circuit must be a large PCB board! But if the United States if the 70s with a series of successful SCM market, the result will be a drastic change! Just because you are prepared by microc

    17、omputer programs can achieve high intelligence, high efficiency and high reliability! As the microcontroller on the cost-sensitive, so now the dominant software or the lowest level assembly language, which is the lowest level in addition to more than binary machine code language, and as so low why i

    18、s the use? Many high-level language has reached the level of visual programming Why is not it? The reason is simply that there is no home computer as a single chip CPU, not as hard as a mass storage device.A visualization of small high-level language program which even if only one button, will reach

    19、 tens of K of size! For the home PCs hard drive in terms of nothing, but in terms of the MCU is not acceptable. SCM in the utilization of hardware resources to be very high for the job so although the original is still in the compilation of a lot of use. The same token, if the giant computer operati

    20、ng system and applications run up to get home PC, home PC, also can not afford to。 Can be said that the twentieth century across the three power era, that is, the age of electricity, the electronic age and has entered into the computer age. However, this computer, usually refers to the personal comp

    21、uter, referred to as PC. It consists of the host, keyboard, monitor and other components. Another type of computer, most people do not know how. This computer is to give all kinds of intelligent machines single chip (also known as micro-controller). As the name suggests, this computer system took only a minimal integrated circuit, can be a simple operation and control。 Because it is small, usually hidden in the charged mechanical stomach in. It is in the


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