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您好，根据DE信号的定义：Video control signal pulse width must be 3 PCLKs or longer to be transmitted when the Control Signal Filter is enabled. There is no restriction on the minimum transition pulse when the Control Signal Filter is disabled. The signal is limited to 2 transitions per 130 PCLKs.
所以当信号滤波器enable时，视频控制信号脉冲有要求，所以如果DE不使用的话，可以将control signal filter disable。即寄存器0x03 bit4=0， 即filter disable。
