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82546EB
— Networking Silicon
14
Datasheet
3.6.2
PHY Analog Signals
Symbol
Type
Name and Function
REF_A
P
Reference A.
This Reference signal should be connected to VSS through an external
2.49 K
resistor.
MDIA[0]+/-
A
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.
MDIA[1]+/-
A
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.
MDIA[2]+/-
A
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.
MDIA[3]+/-
A
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.
REF_B
P
Reference B.
This Reference signal should be connected to VSS through an external
2.49 K
resistor.
MDIB[0]+/-
A
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.