说明：  用STC89LE52RC来模拟IIC总线对视频解码芯片SAA7114,多媒体数字信号编码器CS4272等进行初始化，为DSP的图像处理做基础
(Used to simulate the IIC bus STC89LE52RC on video decoder chip SAA7114, multimedia digital signal encoder to initialize CS4272, etc., for the DSP to do the image processing based on)