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AM2432: COL pin usesage

HS FAE Germany
Mastermind 31690 points
Part Number: AM2432

Tool/software:

Hi,
I understood that COL pin is needed for MII half-duplex when using ICSS Ethernet MAC and for full-duplex it is not needed.

When using full-duplex can the pin useed with other function as GPIO or should it be configured to GND?

Regards, Holger

  • 0
    TI__Guru**** 169844 points

    Hello Holger

    Thank you for the query.

    Let me check with the team and update.

    Regards,

    Sreenivasa

  • 0 in reply to Kallikuppa Sreenivasa
    TI__Guru**** 169844 points

    Hello Holger

    Here are my inputs based on internal sync with 

    The pin is do not care in Full duplex mode.

    The pin is configured as input.

    The recommendation would be to add a parallel pull when the receive buffers are enabled.

    In case customer has some concerns on adding the resistor, customer needs to evaluate options to disable the TX and RX buffers are off and also ensure no trace is connected to the SOC pad.

    Regards,

    Sreenivasa