C8051F020单片机I/O口控制SED1335的方法  

Method of controlling SED1335 by I/O port of C8051F020 single-chip slicer

作　　者：郭毅锋[1] 蔡启仲[1] 陈文辉[1] 周明[1] 

机构地区：[1]广西工学院电子信息与控制工程系,广西柳州545006

出　　处：《广西工学院学报》2004年第4期55-58,共4页Journal of Guangxi University of Technology

基　　金：广西工学院青年基金(NO.030214)资助。

摘　　要：应用以MCS51系列单片机为内核的高速单片机C8051F020的I/O口,实现对SED1335点阵液晶控制器的控制;根据C8051F020单片机和SED1335控制器的相关功能特性,对SED1335点阵液晶控制器的读写控制时序进行了分析,计算出满足SED1335控制器时序要求的最高频率,论述了频率的修改方法,并按照读写控制时序和SED1335控制器的指令设计控制程序,给出对SED1335的命令编制子程序的方法和应用方法。The paper applied I/O port of high-speed single-chip slicer,which uses MCS51 single-ship slicer as the internal core,to implementing the control of SED1335 lattice liquid crystal controller.According to the charac- teristics of C8051F020 single-chip slicer and SED1335 controller,the reading-writing sequence of SED1335 lattice liquid crystal controller was analyzed,and the maximum frequency required by the sequence of SED1335 controller was calculated.The paper discussed the method of revising the frequency,designed control programms according to the reading-writing sequence and instructions of SED1335 controller,and put forward the way of working out subprogramms for SED1335 orders and the way of application.

关 键 词：I/O口 SED1335 C8051F020单片机 点阵 读写控制 液晶控制器 MCS51系列单片机 时序 制程 高速单片机 

分 类 号：TN873.93[电子电信—信息与通信工程] TP368.1[自动化与计算机技术—计算机系统结构]