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tfp401接收显卡来的DVI 数据,某些灰阶的bit0出现错误

Other Parts Discussed in Thread: TFP401

我在用tfp401做的图象接收器, 当接收电脑显卡来的DVI 数据时,某些灰阶的最低位(bit0)出现错误, 不同的电脑, 出现问题的灰阶不同.例如,某台电脑,灰阶0到灰阶63没有问题,而灰阶64到254有问题;另一台电脑,则是灰阶0到灰阶8没有问题,而灰阶9到254有问题 .   请问是什么原因?

谢过!