小囡1234
I/O分配:Y0:东西绿Y1:东西黄Y2:东西红Y3:南北绿Y4:南北黄Y5:南北红思路分析:此方法采用移位指令,把它看成一个流水灯问题解决。灯的顺序为:东西绿—东西黄—南北绿—南北黄。因为绿灯时间加上黄灯时间等于红灯时间,因此东西绿灯亮时用SET指令把南北红灯置位,用RST指令把东西红灯复位;南北绿灯亮时用SET指令把东西红灯置位,用RST指令把南北红灯复位,这样就不用另外考虑红灯了。梯形图: 不好复制,你打开下面链接自己看看吧
走错雨山
Since the introduction of computer-chip technology in society, in every field in a wide range of light control systems, the microcontroller is replaced by the gear regulating the delay time of old growth rate in future in the heart of this to the MCU has several benefits: small size, light weight, a single power supply; features, low power consumption and low; and the data transfer, one finds in SCM internal, run fast, uding, high reliability, so single-chip is widely used in measurement and control system, data acquisition, instrumental, Mechatronics product, smart interface, computer communications, as well as single-chip multilevel system, article is primarily deals with a subject name is single-chip-chip, flowing water and light control, which enables we learned how to use the SCM control our lives in the application of the design of this subject at a later time, introduced me to many aspects of the topic describes in detail by the MCS-89C51 manifold programming the control circuit, it completed the single-chip flowing water and light control features, and gives specific hardware circuits and the appropriate kind of control circuit reliability, flexibility, use the wide-ranging especially suitable for medium-sized cities of traffic lights, neon lights, , it on other similar system has certain significance.
电子信息工程毕业论文题目参考 论文写作,简单的说,就是大专院校毕业论文的写作,包含着本科生的学士论文,研究生的硕士论文,博士生的博士论文,延伸到了职称论文的写作
一.设计目的:1、通过交通信号灯控制系统的设计,掌握8255A并行口传输数据的方法,以控制发光二极管的亮与灭;2、用8255作为输出口,控制十二个发光二极管熄灭
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