82546EB Datasheet, PDF(20/47 Page) Intel Corporation – Dual Port Gigabit Ethernet Controller

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82546EB Datasheet, PDF (20/47 Pages) Intel Corporation – Dual Port Gigabit Ethernet Controller

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82546EB â Networking Silicon

3.6.2

PHY Analog Signals

Symbol Type

Name and Function

REF_A

MDIA[0]+/- A

MDIA[1]+/- A

MDIA[2]+/- A

MDIA[3]+/- A

REF_B

MDIB[0]+/- A

Reference A. This Reference signal should be connected to VSS through an external

2.49 Kâ¦ resistor.

Media Dependent Interface A [0].

1000BASE-T: In MDI configuration, MDIA[0]+/- corresponds to BI_DA+/-, and in MDI-X

configuration, MDIA[0]+/- corresponds to BI_DB+/-.

100BASE-TX: In MDI configuration, MDIA[0]+/- is used for the transmit pair, and in MDI-

X configuration, MDIA[0]+/- is used for the receive pair.

10BASE-T: In MDI configuration, MDIA[0]+/- is used for the transmit pair, and in MDI-X

configuration, MDIA[0]+/- is used for the receive pair.

Media Dependent Interface A [1].

1000BASE-T: In MDI configuration, MDIA[1]+/- corresponds to BI_DB+/-, and in MDI-X

configuration, MDIA[1]+/- corresponds to BI_DA+/-.

100BASE-TX: In MDI configuration, MDIA[1]+/- is used for the receive pair, and in MDI-X

configuration, MDIA[1]+/- is used for the transit pair.

10BASE-T: In MDI configuration, MDIA[1]+/- is used for the receive pair, and in MDI-X

configuration, MDIA[1]+/- is used for the transit pair.

Media Dependent Interface A [2].

1000BASE-T: In MDI configuration, MDIA[2]+/- corresponds to BI_DC+/-, and in MDI-X

configuration, MDIA[2]+/- corresponds to BI_DD+/-.

100BASE-TX: Unused.

10BASE-T: Unused.

Media Dependent Interface A [3].

1000BASE-T: In MDI configuration, MDIA[3]+/- corresponds to BI_DD+/-, and in MDI-X

configuration, MDIA[3]+/- corresponds to BI_DC+/-.

100BASE-TX: Unused.

10BASE-T: Unused.

Reference B. This Reference signal should be connected to VSS through an external

2.49 Kâ¦ resistor.

Media Dependent Interface B [0].

1000BASE-T: In MDI configuration, MDIB[0]+/- corresponds to BI_DA+/-, and in MDI-X

configuration, MDIB[0]+/- corresponds to BI_DB+/-.

100BASE-TX: In MDI configuration, MDIB[0]+/- is used for the transmit pair, and in MDI-

X configuration, MDIB[0]+/- is used for the receive pair.

10BASE-T: In MDI configuration, MDIB[0]+/- is used for the transmit pair, and in MDI-X

configuration, MDIB[0]+/- is used for the receive pair.

Datasheet

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