單片機(jī)外文翻譯--轉(zhuǎn)速表與單片機(jī)-單片機(jī)-預(yù)覽頁(yè)
【正文】 tegrated circuit through the software, namely controls the meter separately by the monolithic integrated circuit the sine coil and the cosine coil omits the LM1819 integrated circuit. Regarding this, here no longer gives unnecessary detail. The monolithic integrated circuit curriculum was already the practical very strong specialized technology curriculum, the beginner only then through the massive programming, the experiment, the debugging, the design manufacture and so on a series of practice link39。s development, the experiment and the curriculum project and so on, must have a set of software and 4 hardware development kit, like this may save many precious time and the energy, raises the working efficiency. The monolithic integrated circuit is a puter family39。s development momentum still does not reduce, each kind of model and a function stronger monolithic integrated circuit and the super connection chip appear unceasingly, is further constitutes the multiputer system and the distribution work to the top level development39。s explanation and the analysis. In order to use and develop each kind of integration of machinery equipment and the measuring appliance establishment foundation. On the rotational speed table design has many available, but mostly by mechanical or simulated digital circuits to achieve. There are large in size, precision low, not visual, electronics large, less functional and sampling time, it is difficult to detect instantaneous rotational speed. As the Micro Controller Unit with both small and control functions such strong characteristics, so it widely in control applications. We want multifunctional rotational speed control system is designed to the Micro Controller Unit as the core to achieve intelligent meters. It is more functional, small electronics, and visual accuracy, showing time, speed warning systems, printing, such as instant rotational speed advantage. The article explained the photoelectric sensors such rotational speed table operating principles, structure and rotational speed switching circuit design. The design is a decoder MC14499, which is integrated high degree LED Motorola panies that drive, a dynamic scanning driven four LED digital display control. It sets Suocun, decoding, driving, scanning, the clock on integration. Has given take AT89C2051 as the core, using monolithic integrated circuit39。 May enable the INT0 pin through monolithic integrated circuit39。s initialization module, the liquid crystal module writes the data/order submodule, the cyclical survey module, the speed course putation module, the data storage module, the speed and the course demonstrated that the data transfers the BCD code module, the demonstration data to disappear the unnecessary zero module, the data display module as well as the realtime interrupt servicing module and so on. This design can realtime the speed display which measured, simultaneously can also accumulate demonstrates the total course number. This speed odometer can input the sensor to monolithic integrated circuit
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