82575 datasheet(21/69 Pages) INTEL

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82575 Gigabit Ethernet Controller Datasheet

3.10

PHY Analog Signals

Symbol

Type

Name and Function

RBIAS0_P/RBIAS1_P

Compensation Reference Resistor.

A 1.4 KΩ, 1% tolerance resistor should be used. RBIAS_N

should also be connected to ground (VSS).

MDI0_P_0

MDI0_N_0

MDI1_P_0

MDI1_N_0

Media Dependent Interface [0]

1000BASE-T: In MDI configuration, these correspond to

BI_DA+/-, and in MDI-X configuration, MDIp0/MDIn0

corresponds to BI_DB+/-.

100BASE-TX: In MDI configuration, MDIp0/MDIn0 is used for

the transmit pair, and in MDI-X configuration, MDIp0/MDIn0 is

used for the receive pair.

10BASE-T: In MDI configuration, MDIAp0/MDI_MINUS0_0 is

used for the transmit pair, and in MDI-X configuration, MDIp0/

MDIn0 is used for the receive pair.

MDI0_P_1

MDI0_N_1

MDI1_P_1

MDI1_N_1

Media Dependent Interface [1]

1000BASE-T: In MDI configuration, MDIp1/MDIn1

corresponds to BI_DB+/-, and in MDI-X configuration, MDIp1/

MDIn1 corresponds to BI_DA+/-.

100BASE-TX: In MDI configuration, MDIp1/MDIn1 is used for

the receive pair, and in MDI-X configuration, MDIp1/MDIn1 is

used for the transit pair.

10BASE-T: In MDI configuration, MDIp1/MDIn1 is used for the

receive pair, and in MDI-X configuration, MDIp1/MDIn1 is used

for the transit pair.

MDI0_P_2

MDI0_N_2

MDI1_P_2

MDI1_N_2

Media Dependent Interface [2]

1000BASE-T: In MDI configuration, MDIp2/MDIn2

corresponds to BI_DC+/-, and in MDI-X configuration, MDIp2/

MDIn2 corresponds to BI_DD+/-.

100BASE-TX: Unused.

10BASE-T: Unused.

MDI0_P_3

MDI0_N_3

MDI1_P_3

MDI1_N_3

Media Dependent Interface [3]

1000BASE-T: In MDI configuration, MDIp3/MDIn3

corresponds to BI_DD+/-, and in MDI-X configuration, MDIp3/

MDIn3 corresponds to BI_DC+/-.

100BASE-TX: Unused.

10BASE-T: Unused.

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