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DP83TD510E: DP83TD510E MII SIGNALS PULL UP/PULL DOWN

Part Number: DP83TD510E
For the PHY - DP83TD510ERHBT, As per our requirement, We have MII communication between PHY and STM32, As per the EVB(DP83TD510E-EVM) of PHY(DP83TD510ERHBT) there is several pullup and pulldown in the RX and TX MII lines could you please explain its purpose and its necessity? Also, we couldn't find any series termination Resistor in the RX MII EVB. Is that supposed to be added?