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DP83848I: termination configuration

William Zhan
Prodigy 10 points

Part Number: DP83848I

Hi team,

I want to know why the midpoint of RD/TD is pulled up to Vdd as I marked on the screenshot, is it a must? I see some 100M PHY transceivers is pulled down to GND via 0.1uF capacitor. Thanks advance and looking forward to your feedback.