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TFP401: 接入DVI输出RGB数据异常

Part Number: TFP401
Other Parts Discussed in Thread: TFP410

Hi,我在使用TFP401和TFP410的时候出现一个问题,描述如下:TFP401通过DVI接入视频源,再由FPGA采集后由TFP410通过DVI送出。FPGA采集TFP401输出数据后发现其RGB色彩空间与正常的RGB色彩空间不一致。比如,当DVI输入黑色图像时TFP401 QE[23:17]全为1,其余位为0。但是通过TFP401进,再由TFP410出的图像在显示器上显示是正常的,请问如果我要正常的RGB图像(还有其它HDMI芯片使用)的话需要做什么转换吗?