Most traditional graphical programming platforms adopt running algorithmic based on data-driven mode, which leads to inefficient use of CPU and low execution performance.
传统的图形化编程平台大多采用基于数据驱动的扫描运行算法，CPU占用率高，运行效率低。
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And its hardware circuit and software programming are simple and convenient, so it can economize program code space and CPU running time. It is a sort of standard of serial bus interface used widely.