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TDP158RSBEVM: About pullup register on IN_D/IN_CLK.

Part Number: TDP158RSBEVM
Other Parts Discussed in Thread: TDP158

Hi team.

In user's guide, pull up register(49.9Ω) is connected to HDMI Rx pin and AC coupling capacitor.

Is this because it is necessary as HDMI specifications?

Or because of impedance matting?

In addition, pull-up register is connected to Board 3P3V, is it because highest voltage is Board 3P3V in this board?

best regards