单片机部分对数据进行处理，完成数据的读取、运算、数据类型转化、循环扫描显示控制等功能，并将待测信号的相位差显示在八段数码管上。
The SCM part mainly reads the I/O port, performs data processing, data conversion, control of the display part and displays the result on the digital LED module.
第四部分首先论述了数码视觉门类艺术内部三个层级的同质结构式循环；
The fourth part firstly reveals the structural, synchronical and homogeneous cycle between the three scales of digital visual arts;
数据换算和数码管扫描显示在主循环中实现。
Conversion and digital scan data displayed in the main loop implementation.
通过循环检测P 1口按键输入值，然后用数码管输出，没有按键按下时原值不变。
Port P1 through key input loop detection value, and then use digital output, no key is pressed the original value unchanged.
通过循环检测P 1口按键输入值，然后用数码管输出，没有按键按下时原值不变。
Port P1 through key input loop detection value, and then use digital output, no key is pressed the original value unchanged.
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