之前对着几种视频格式认识不是很清晰,所以看数据手册的时候,看的也是稀里糊涂的. 因为项目中需要用到cvbs做视频输入,在元器件选型上,看到tw2867的数据手册上,有这么一句话: The TW2867 includes four high quality NTSC/ PAL/SECAM video decoders that convert analog composite video signal to digital component YCbC r data for security ap