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TMDS181: About I2C SNK and SRC

jie zou
Prodigy 190 points
Part Number: TMDS181

Hi,

Please take a look at fig35 and fig36 on datasheet, why does it bypass SCL/SDA_SRC and directly connects the DDC singals from connector to RX device? What is the functionality of SCL/SDA_SRC in 181?