82563EB Datasheet, PDF (32/52 Pages) Intel Corporation – Intel® 82563EB/82564EB Gigabit Ethernet Controllers

82563EB/82564EB Gigabit Platform LAN Connect Networking Silicon
The effective resistance of the pass resistors should be approximately 0.5 Ω and have a combined
power dissipation rating of 0.5 Watts for the 82563EB. Figure 5 shows the recommended
implementation.
Vcc3_3
Vcc3_3
CTRL_18
Vcc1_9
CTRL_12
Vcc1_2
Note: PNP needs 0.5 inch by
0.5 inch thermal relief pad
1.0 ohm, 5%, 1/4W
1.0 ohm, 5%, 1/4W
Note: PNP needs 0.5 inch by
0.5 inch thermal relief pad
1.0 ohm, 5%, 1/4W
1.0 ohm, 5%, 1/4W
Figure 5. 82563EB 1.9V and 1.2V internal LVR schematic
Note: No resistors are required for the 82564EB as shown in Figure 6 due to the reduction in current
demand. See Figure 4.9 for more details regarding power consumption.
Vcc3_3
Vcc3_3
CTRL_18
Vcc1_9
CTRL_12
Note: PNP needs 0.5 inch by
0.5 inch thermal relief pad
Note: PNP needs 0.5 inch by
0.5 inch thermal relief pad
Figure 6. 82564EB 1.9V and 1.2V internal LVR schematic
Vcc1_2
4.5
Link (MDI) Interface
The Media Dependent Interface pins (MDIA_PLUS[3:0], MDIA_MINUS[3:0],
MDIB_PLUS[3:0], MDIB_MINUS[3:0]) are analog pins conforming to the IEEE 802.3ab (802.3
Clause 40) requirements.
Table 26. Link (MDI) Interface Electrical Specification
Symbol
V_ODIFF
Parameter
Absolute peak differ-
ential output voltage
Overshoot
Amplitude Symmetry
(positive / negative)
Pins
MDI*[1:0]
MDI*[1:0]
MDI*[1:0]
MDI*[3:0]
MDI[1:0]
MDI[1:0]
Condition
10Base-T no cable
10Base-T cable
100Base-TX mode
1000Base-T^a
100Base-TX mode
100Base-TX mode
Min
2.2
585^b
0.950
0.67
0
0.98x
Typ Max Unit
2.5
2.8
V
-
-
mV
1
1.050 V
0.75 0.82 V
-
5% (V)
-
1.02x
V⁺ /
V^-
26