基于C8051F020单片机的双接口OLED控制器设计与实现  

Design and implementation of dual-interface OLED controller based on C8051F020 SCM

作　　者：武春锋 王永伟 王志乾[1] 刘绍锦[1] 刘玉生[1,2] WU Chunfeng;WANG Yongwei;WANG Zhiqian;LIU Shaojin;LIU Yusheng(Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;University of Chinese Academy of Sciences,Beijing 100049,China;The Air Force's Military Representative Office in Changchun,Changchun 130033,China)

机构地区：[1]中国科学院长春光学精密机械与物理研究所,吉林长春130033 [2]中国科学院大学,北京100049 [3]空军驻长春地区军事代表室,吉林长春130033

出　　处：《现代电子技术》2019年第4期14-18,共5页Modern Electronics Technique

基　　金：吉林省重点科技攻关项目(20160204053GX);吉林省重点科技攻关项目(20170204050GX)~~

摘　　要：文中提出一种基于C8051F020单片机的双接口OLED控制器的设计与实现方案。该设计以C8051F020为核心控制单元,带有两个OLED接口的印刷电路板。在写命令函数和写数据函数中调用判忙函数,保证驱动芯片在不忙状态下接收控制指令。合理排列片选、写使能、并行数据等信号的发送顺序,满足地址/数据的建立时间和保持时间。实验结果证明两块OLED可以准确显示预留信息,具有亮度高、响应速度快、可视角宽的优点。该方案效果理想,双接口功能进一步扩展了实用性,可移植于相关仪器仪表的显示终端。A design and implementation scheme of the dual-interface OLED controller based on the C8051F020 single chip microcomputer(SCM)is proposed.A printed circuit board with two OLED interfaces is designed taking the C8051F020 as the core control unit.The busy judgment function is called during the writing process of the command function and data function,so as to ensure that the drive chip can receive control instructions when it is not busy.The transmission sequence of signals like chip selection,write enabling,parallel data is appropriately arranged,so as to satisfy the set up time and hold time of the address or data.The experimental results show that the two OLEDs can accurately display the reserved information,and have the advantages of high brightness,fast response speed,and wide viewing angle.The scheme has an ideal effect,and its dual-interface function can further expand its practicability and be transplanted in display terminals of relevant instruments and apparatus.

关 键 词：有机电致发光二极管 C8051F020单片机 控制器 SSD1309芯片 双接口 判忙函数 

分 类 号：TN111-34[电子电信—物理电子学] TP368.2[自动化与计算机技术—计算机系统结构]