Data Sheet

Pin Interface—Ethernet Controller I210
29
2.3.8.2 Power Supply
Table 2-10. Power Supply
Symbol Lead #
Type /
Voltage
Name and Function
VDD0p9 11, 32, 42, 59 0.9V 0.9V digital power supply.
VDD3p3
10, 27, 41,
51, 64
3.3V
3.3V power supply (for I/O).
Pin 51: In BASE-T, 3.3V analog power supply to GPHY; in
SerDes, 1.5V analog power supply to SGMII SerDes.
VDD1p5 47, 56 1.5V
Pin 47: 1.5V power supply to the crystal oscillator and
bandgap.
Pin 56: In BASE-T, 1.5V analog power supply to GPHY; in
SerDes, not connected.
VDD0p9_OUT 38 0.9V 0.9V power supply output of the switching cap regulator.
VDD1p5_OUT 39 1.5V 1.5V power supply output of the switching cap regulator.
GND e-Pad Ground
The e-Pad metal connection on the bottom of the package.
Should be connected to ground.