LAN8820I datasheet(10/83 Pages) MICROCHIP

10 / 83 page

LAN8820/LAN8820I

DS00001871B-page 10

 2009-2015 Microchip Technology Inc.

Note 2-3

Exposed pad on package bottom (Figure 2-1).

TABLE 2-7:

POWER PINS

Num Pins

Name

Symbol

Buffer

Type

Description

+2.5V

I/O Power

Supply Input

VDD25IO

+2.5V I/O power.

Refer to Section 3.10, "Application Diagrams," on

page 31 and the LAN8820/LAN8820i reference

schematics for connection information.

Digital Core

+1.2V Power

Supply Input

VDD12CORE

Refer to Section 3.10, "Application Diagrams," on

page 31 and the LAN8820/LAN8820i reference

schematics for connection information.

Ethernet

+1.2V Port

Power Supply

Input For

Channels 0-3

VDD12A

Refer to Section 3.10, "Application Diagrams," on

page 31 and the LAN8820/LAN8820i reference

schematics for connection information.

Ethernet

+1.2V Bias

Power Supply

Input

VDD12BIAS

Refer to Section 3.10, "Application Diagrams," on

page 31 and the LAN8820/LAN8820i reference

schematics for connection information.

Ethernet PLL

+1.2V Power

Supply Input

VDD12PLL

Refer to Section 3.10, "Application Diagrams," on

page 31 and the LAN8820/LAN8820i reference

schematics for connection information.

Note 2-3

Ground

VSS

Common Ground

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