我们想只通过TDP158处理TMDS信号,DDC信号另外单独处理,如下红框内的引脚是否可以不使用?
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您好,如果您不需要处理DDC信号,那么SCL_SRC/SDA_SRC 接GND, SCL_SNK/SDA_SNK 需要上拉2Kohm'电阻到5V .
另外将DDC training disable掉,也即是寄存器0x0B bit0=1.