eDP或DP或HDMI这三种显示接口转RGB的芯片,TI是否有这样的芯片,TFP401太大了。
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直接DP转RGB的芯片没有,可以使用两片来完成
DP to TMDS: SN75DP129
TMDS to RGB:TFP401
如果用TFP401把HDMI转LVTTL,那HDMI的DDC通道、HPD怎么处理呢?
如果用TFP401把HDMI转LVTTL,那HDMI的DDC通道、HPD怎么处理呢?
可以通过额外的MCU来控制,再加上HDMI有IIC通道以及TFP401也需要IIC才能支持更多的功能,因此一个额外的MCU来解决其附加功能。