key touch
3.Briefly analyzed Memory-link protocol,provided scheme diagram of asynchronous serial communication between PIC SCP and GP touch-screen,and given parts of key communication program.
4.This paper briefly introduces the concept of touch- screen multimedia demonstration system, Discusses on the key techniques and solving methods adopted in the course of the development of this demonstration system by using Authorware.
5.On the basis of analyzing the principle of embedded touch panel system,this paper presents a design of embedded system of digital touch panel based on a kind of Samsung ARM,and introduces the implementation of each key step of the system and points that should be pay attention to. LCD software design technology in the system is also expounded in a little detail.


