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AM4378: Voltage and Current values on processor RGMII interface pins, when running Gigabit Ethernet

A V
Prodigy 40 points
Part Number: AM4378 
I am using the TI AM4378 Microprocessor, and I want to use Gigabit Ethernet Functionality using it. 

I have selected a 10/100/1000 Gigabit Ethernet PHY, for interfacing. 

I would like to know the voltage level present on the TI AM4378 Microprocessor RGMII interface I/O pins,

when the microprocessor is communicating with Ethernet PHY , as I want to do power calculations ,power estimation and connector selection.

Also, I would like to make the microprocessor power calculations, i.e, how much power does the Ethernet subsystem consume, while running on Gigabit Ethernet.

 And how much volage and current is on each pin of the RGMII Gigabit Ethernet interface. 

Can you help me in this regard? Thank you
  • 0
    TI__Guru*** 136978 points

    Hello AV

    Thank you for the query.

    Are you referring to an EVM or a customer board 

    A V said:
    I am using the TI AM4378 Microprocessor, and I want to use Gigabit Ethernet Functionality using it.

    I have selected a 10/100/1000 Gigabit Ethernet PHY, for interfacing.

    I would like to know the voltage level present on the TI AM4378 Microprocessor RGMII interface I/O pins,

    The RGMII levels depends on the PHY on one side.

    A V said:
    And how much volage and current is on each pin of the RGMII Gigabit Ethernet interface.

    This is a digital interface. The current consumption should be negligible.

    A V said:
    And how much volage and current is on each pin of the RGMII Gigabit Ethernet interface.

    If the plan is to choose a connector, consider choosing a high frequency connector.

    The current is negligible.

    A V said:
    Also, I would like to make the microprocessor power calculations, i.e, how much power does the Ethernet subsystem consume, while running on Gigabit Ethernet.

    Please start a new thread specific to the processor power consumption to assign to an expert.

    Regards,

    Sreenivasa

  • 0 in reply to Kallikuppa Sreenivasa
    Prodigy 40 points

    HI there!

    Thanks for the reply. I am referring to the EVM here

  • 0 in reply to A V
    TI__Guru*** 136978 points

    Hello Av, 

    Please point me to the EVM you are referring 

    In the datasheet, Table 4-10. Pin Attribute provides the domain to which the IOs are connected.

    Regards,

    Sreenivasa