This paper describes a subject based on the pw328 , the latest generation of pixelworks ~ ( tm ) . the subject is a dual channel lcd tv product , which sources have two tv , two composite video or s - video , two component video ( ypbpr ) , one vga and one hdmi . the software system can use to crt product when it has a little changed too 本论文是采用pixelworks的pw328芯片,完成一个可以实现两路电视、两路视频、两路分量高清信号、一路vga 、一路hdmi输入的双通道液晶电视产品,同时这个项目的软件系统,通过简单的更改在传统的crt显示上也同样的适用。