硬件电路图如下,使用过程中IDCK+有时钟、IDCK-接地,DE、HSYNC、VSYNC都有正常的控制信号。但是TXC、TXD都没有出信号。其中寄存器8通过I2C配置为35或者37都试过。
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PD这个引脚是低有效,电路中是下拉,TFP410进入power down模式了,所以没有输出。