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原文来源 图书馆电子资源 Single chip brief introduction The monolithic integrated circuit said that the monolithic micro controller, it is not completes some logical function the chip, but integrates a computer system to a chip on. Summary speaking: A chip has become a computer. Its volume is small, the quality is light, and the price cheap, for the study, the application and the development has provided the convenient condition. At the same time, the study use monolithic integrated circuit is understands t
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单片机翻译
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图书馆电子资源
Single chip brief introduction
The monolithic integrated circuit said that the monolithic micro controller, it is not
completes some logical function the chip, but integrates a computer system to a chip
on. Summary speaking: A chip has become a computer. Its volume is small, the
quality is light, and the price cheap, for the study, the application and the development
has provided the convenient condition. At the same time, the study use monolithic
integrated circuit is understands the computer principle and the structure best
choice.In contrast to general-purpose CPUs, microcontrollers do not have an address
bus or a data bus, because they integrate all the RAM and non-volatile memory on the
same chip as the CPU. Because they need fewer pins, the chip can be placed in a
much smaller, cheaper package.
The majority of computer systems in use today are embedded in other
machinery, such as automobiles, telephones, appliances, and peripherals for computer
systems. These are called embedded systems. While some embedded systems are very
sophisticated, many have minimal requirements for memory and program length, with
no operating system, and low software complexity. Typical input and output devices
include switches, relays, solenoids, LEDs, small or custom LCD displays, radio
frequency devices, and sensors for data such as temperature, humidity, light level etc.
Embedded systems usually have no keyboard, screen, disks, printers, or other
recognizable I/O devices of a personal computer, and may lack human interaction
devices of any kind.
The monolithic integrated circuit interior also uses with the computer function
similar module, for instance CPU, memory, parallel main line, but also has with the
hard disk behave identically the memory component7 what is different is its these part
performance is opposite our home-use computer weak many, but the price is also low,
generally does not surpass 10 Yuan then Made some control electric appliance one
kind with it is not the 'very complex work foot, We use now the completely automatic
drum washer, the platoon petti-coat pipe: VCD and so on Inside the electrical
appliances may see its form! It is mainly takes the control section the core part.
It is one kind of online -like real-time control computer, online -like is the scene
control, needs to have the strong antijamming ability, the low cost, this is also and the
off-line type computer (for instance home use PC,) main difference
The monolithic integrated circuit is depending on the procedure, and may revise.
Realizes the different function through the different procedure, particularly special
unique some functions, this is other component needs to take the very big effort to be
able to achieve, some are the flowered big strength is also very difficult to achieve.
One is not the very complex function, if develops in the 50s with the US 74 series, or
the 60s's CD4000 series these pure hardware do decides, the electric circuit certainly
arc a big PCB board ! But if, if succeeded in the 70s with the US puts in the market
the series monolithic integrated circuit, the result will have the huge difference.
Because only the monolithic integrated circuit compiles through you the procedure
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