單片機基礎(chǔ)外文文獻翻譯(完整版)
【正文】 lower cost, this is also offline puter (such as home PC) the main difference. SCM rely on the program is running, and can be modified. Different functions through different programs, especially the special unique function, which is the other devices, require much effort to do, while others make great efforts it is difficult to do. A not very plex functions using pure hardware to get the words of the 1950s developed 74 series, or 60 during the CD4000 series, the circuit must be a big PCB board! If successful on the market in the United States in the 1970s series of SCM, the result will be different! Just because a program written by the MCU through you can achieve high intelligence, high efficiency and high reliability! SCM for cost sensitive, so accounting for the dominance of the software or the lowest level assembly language, which is the lowest level than binary machine code language, since such lowlevel why use it? A lot of highlevel language has reached a level of visual programming, why not? The reason is simple, is the SCM does not have a home puter as the CPU, also not as hard as mass storage devices. A visual highlevel language to write small programs inside even if there is only one button, will reach tens of K of size! Nothing in terms of home Pac’ s hard drives, but for SCM in terms of is not acceptable. SCM in the utilization of hardware resource
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