Title: Touch-screen Controller Design and Implementation Based on ARM Microprocessor
Abstract: In view of the development direction of liquid crystal touch screen system with large screen size,simple operation and wide application,this paper adopts ARM9 processor as the core device,ADS7846 as touch screen controller and 6.5inch backlight four wire resistive TFT-LCD panel as touch screen system scheme.The overall scheme of the system,the working principle of hardware components and parts and the selection of devices are given.Describes the implementation of application model of ARM-Linux system and control program are described.The product can display well after the debugging.Through the application of loading QT preparation,it is easy to aperate the touchsureen,which meets the requirement of the design and has high practical application value.
Publication Year: 2015
Publication Date: 2015-01-01
Language: en
Type: article
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