液晶显示控制器ST7920的接口方式研究与编程  

Research and programm of LCD controller ST7920 interface

作　　者：柳义筠[1] 李湘伟[2] 熊建玲 

机构地区：[1]广州科技贸易职业学院计算机系,广东广州511442 [2]广东轻工职业技术学院机电工程系,广东广州511442 [3]广州创想科技有限公司,广东广州511442

出　　处：《国外电子元器件》2008年第7期40-42,共3页International Electronic Elements

摘　　要：介绍了ST7920的功能和应用,并给出了ST7920与MCU的多种接口方式。重点介绍了ST7920的指令集以及基于其初始化编程步骤,最后以显示4行汉字为例,给出了相应的汇编程序。At first,the functions and applications of ST7920 are simply introduced in this paper,and many kinds of interfaces between ST7920 and MCU are given.The instruction set of ST7920 and its initialization programming steps based on ST7920 are presented.Finally the corresponding brief assembly program by the example of displaying four-lines Chinese characters are given.

关 键 词：ST7920 接口方式 指令集 

分 类 号：TN873.93[电子电信—信息与通信工程]