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Design of OLED Display Module Based on S3C2440

LI Xiang1,2,ZHENG Xi-feng1,CHEN Yu1(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 of main display devices in the current market is analyzed.And this paper chooses the OLED display module,based on the general requirements of the S3C2440-based-system and the advantages and disadvantages of the display devices above.By analyzing the structure of S3C2440,this work uses SPI bus interface to solve the problem that the 8-bit parallel interface take too many I/O pins.Through the design of the hardware and software,the design meets the demand of the system saving interfaces,and achieving the OLED screen display module application on the condition.
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