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OLED作为新一代显示技术,广泛用于各种仪器仪表的显示终端,实时显示字符、汉字、曲线等信息。文中介绍一种点阵式OLED模块VGS12864E的结构特征、指令系统;给出它与CygnalC8051F020单片机的间接访问接口电路设计,以及显示模块的硬件驱动和显示16×8点阵西文字符的KeilC51程序代码,并对相关代码进行注释。由于此款显示模块的指令系统与液晶显示驱动控制器HD61202兼容,故程序代码也可作为指令系统与它兼容的液晶显示编程的参考。
OLED as a new generation of display technology, widely used in a variety of instrumentation display terminal, real-time display characters, characters, curves and other information. In this paper, the structure and instruction system of a dot matrix OLED module VGS12864E is introduced. The circuit design of indirect access interface to Cygnal C8051F020 is given, and the hardware module of the display module and the KeilC51 program code to display 16 × 8 dot matrix Western characters , And comment on the relevant code. Because this display module’s command system is compatible with the LCD driver HD61202, the program code can also be used as a reference for LCD programming compatible with the command system.