友晶公司的LTM 触摸屏，默认的800*480分辨率图像，许多参数可以用parameter来更改，也可当做是如何写主端口IP核的良好范例-Tersic s LTM touch screen, the default 800* 480 resolution images, many parameters can be used to change the parameter，the code can also be used as a master port of how to write a g