TMUXHS221: Application for HDMI DDC signal Mux switch

Tiger Yeh

Part Number: TMUXHS221
Other Parts Discussed in Thread: TIGER, TDP1204

Hi,

May I know whether we could use TMUXHS221 for PCH and GPU HDMI DDC signals Mux switching?

Please advise.

Thanks and Best regards,

Tiger

0 Ryan Kitto over 2 years ago

Hi Tiger,

What is the needed bandwidth for these signals?

Thanks,

Ryan

0 Tiger Yeh over 2 years ago in reply to Ryan Kitto

Hi Ryan,

According to TI TDP1204 mux switch electrical spec in the datasheet, it looks HDMI2.1 side band I2C is up to 100KHz.

It may not over 1MHz.

Best regards,

Tiger

+1 Ryan Kitto over 2 years ago in reply to Tiger Yeh

Hi Tiger,

Then yes, this application should be doable with the TMUXHS221.

Please let me know if you have any other questions.

Thanks,

Ryan

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