LCD Touch Panel Controller Design Based on MCU

LIU Bin; HAN Jin

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LCD Touch Panel Controller Design Based on MCU

Driving & Controlling | 更新时间：2020-08-12

- LCD Touch Panel Controller Design Based on MCU
- Chinese Journal of Liquid Crystals and Displays Vol. 25, Issue 2, Pages: 240-244(2010)
- 作者机构：
  
  1. 辽宁石化职业技术学院, 辽宁锦州 121001,E-mail:liubin7576@163.com
  2. 华润电力(锦州)有限公司,辽宁锦州,121006
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN27;TP368.1
- Received：02 January 2010，
  
  Revised：02 January 1900，
  
  Published Online：30 April 2010，
  
  Published：30 April 2010
- 稿件说明：
移动端阅览
刘彬;韩进. 基于单片机的液晶显示触摸屏控制设计[J]. 液晶与显示, 2010,25(2): 240-244

LIU Bin;HAN Jin. LCD Touch Panel Controller Design Based on MCU[J]. 液晶与显示, 2010,25(2): 240-244
刘彬;韩进. 基于单片机的液晶显示触摸屏控制设计[J]. 液晶与显示, 2010,25(2): 240-244 DOI：

LIU Bin;HAN Jin. LCD Touch Panel Controller Design Based on MCU[J]. 液晶与显示, 2010,25(2): 240-244 DOI：

摘要

在分析液晶触摸屏的工作原理基础上

分析触摸屏专用控制器ADS7846的工作原理与控制方式。通过ADS7846与MCU的SPI接口

给出AT89S51的测量子程序流程图

提出触摸屏触点坐标的获得方法与液晶屏显示实现同步的算法

以提高设计触摸屏与液晶屏的效率

满足控制精度。

Abstract

On the basis of analyzing the principle of embedded touch panel system

the working principle and control method of dedicated controller ADS7846 Touch Screen were analyzed. By the SPI interface between ADS7846 and MCU

AT89S51 measurement subroutine flowchart was given. The method of obtaining coordiates of touch-screen and the LCD screen display synchronization algorithms were proposed to improve the efficiency of touch-screen and LCD screen

and to suffice the control precision.

关键词

Keywords

references

. Burr B.Corporation touch screen controller ADS7846 . .http://www.ti.com.

. 倪天龙,邓洪波,金连文.通过ADS7846在PDA上实现个性化书法输入 [J]. 电子技术应用, 2005,31(6):65-67.

. Kovitz P.电阻式触摸屏结构和实现原理 . .http://www.ed-china.com.

. 黄亮,杨景常.基于SOPC的TFT触摸屏显示系统设计 [J]. 液晶与显示 , 2009,24(5):719-722.

. 王晖,马明锦.基于触摸屏控制器ADS7846的触点坐标与压力的测量计算 [J]. 电子实际应用,2 003,(9):78-80.

. 赵芝璞,金小俊.触摸屏控制器ADS7846的原理及应用 [J]. 国外电子元器件, 2002,(5):46-48.

. 杜德.基于触摸屏的数码一体机人机界面设计与实现 [J]. 液晶与显示 , 2007, 22 (2):217-220.

. 王海欣,黄海宏.液晶显示器的汉字显示方法 [J]. 液晶与显示 ,2005,20 (2):155-158.

. 张平均,黄家骏.点阵式液晶显示模块的旋转式菜单设计 [J]. 液晶与显示 ,2005,20(4):342-245.

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Related Institution

Smart Display Lab, Department of Electronic Engineering, Shanghai Jiao Tong University

Key Laboratory of Special Display Technology of the Ministry of Education, National Engineering Laboratory of Special Display Technology, National Key Laboratory of Advanced Display Technology, Academy of Photoelectric Technology, Hefei University of Technology

Nanyang Institute of Technology

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