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介绍带有高速串行接口的 8位LED控制驱动器PS72 19的工作原理及其与 89C5 1单片机的硬件接口与软件编程 ,提出了一种结构简单而且十分实用的静态显示电路。
This paper introduces the working principle of 8-bit LED driver PS72 19 with high-speed serial interface and its hardware interface and software programming with 89C51 MCU. A simple and practical static display circuit is presented.