该设计的主要内容是通过C51单片机上的数码显示器来模拟出租车计价器的路程显示表，通过单片机上的键盘上的某些键来表示开始、暂停、复位等功能。步骤如下：首先，程序开始做一些必要的初始化工作，等待键盘输入。然后，启动键按下（0）后LED数码管开始记录路程并显示。最后，当需要停止是可按相应的键（F）对路程计数器进行暂停。而且还可以复位（E）-The main elements of the design through the C51 single-chip digital display to simulate the distance Taximeter display table, through the single-chip on certain keys on the keyboard to indicate the start, pause, reset and other functions. Steps are as follows: First of all, the beginning of the proceedings necessary to do some initialization work and wait for keyboard input. Then, press the start button (0) after the LED digital tube journey began to record and display. Finally, when to stop is the key according to the corresponding (F) for the suspension of the distance counter. But also can be reset (E) ... ...