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Application of VFD Display Module Based on AT89C52

ZHANG Meng1,2,WANG Rui-guang1,ZHENG Xi-feng1(1.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences, Changchun 130033,China2.Graduate University of Chinese Academy of Sciences,Beijing 100039,China)  
The characteristics,basic structure and working principle of VFD display module is introduced.A design of hardware connection and software processes is given for the system,which is composed by the module with AT89C52 SCM.In this display program,the timing sequence of writing and reading is simulated by using general I/O port.Using specific implementation methods of C language,and rich display of LCD module,a better interface between SCM and VFD display module is realized,and has been applied to the actual workplace.Test result shows that the display system is stable,and has better display quality and faster refresh rate,it can achieve the objectives that use a host computer to control the VFD display module through serial ports.
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