摘要
介绍了电阻式触摸屏的基本结构和工作原理,详细阐述了ADS7846在电阻式触摸屏驱动设计中的作用以及基本的触摸屏坐标定位算法,并分析了影响触摸屏定位精度的原因,探讨了提高定位精度的方法。
This article describes the basic structure and principle of the resistive touch screen with emphasis on the design of resistive touch screen based onADS7846 and the technology for coordinate orientation. It also analyzes what influences the touch precision and proposes a method for improving the touch precision.
出处
《电子科技》
2006年第9期49-53,共5页
Electronic Science and Technology
关键词
触摸屏
坐标定位
坐标变换
电磁兼容
Touch screen
coordinate transform
coordinate orientation
ESD
