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内置中文字库的点阵液晶显示驱动器RA8816具有极强的通用性。RA8816将多种实用的外围电路集成在芯片内部,使得应用系统的硬件电路和软件设计大大简化。利用RA8816构成的人机交互系统,不仅更容易控制,而且还能降低系统成本,是构成微机控制系统人机交互的理想方案。文中给出了RA8816详细的硬件配置方法以及关键的控制程序。最后结合一个具体的屏幕滚动实例,给出了RA8816控制方法。实验结果表明,RA8816构成的人机交互系统可以使硬件电路更加紧凑、可靠,软件设计更加方便。
The built-in Chinese font dot matrix LCD driver RA8816 has a very strong versatility. RA8816 will be a variety of practical peripheral circuits integrated in the chip, making the application of hardware and software design greatly simplified. The human-computer interaction system formed by RA8816 is not only easier to control, but also reduces the system cost. It is an ideal solution to form the human-computer interaction of microcomputer control system. The article gives RA8816 detailed hardware configuration methods and key control procedures. Finally, with a specific example of screen scrolling, gives RA8816 control method. The experimental results show that the human-computer interaction system composed of RA8816 can make the hardware circuit more compact and reliable and the software design more convenient.