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用TFP403+SN75LVDS83B方案 作DVI转LVDS方案

Other Parts Discussed in Thread: SN75LVDS83B, TFP403

我用TFP403+SN75LVDS83B方案 作DVI转LVDS方案,现遇到2个疑问,特请各位高手指点:

1,DVI信号来自于主板,它的电压是5V,而TFP403逻辑电压是3.3V,请问,这之间是否要考虑电平转换?

2,TFP403中 CTL1和CTL2该怎么接,是保持悬空吗?

以上问题,如能回复,不甚感激!