LAN89730 datasheet(23/218 Pages) MICROCHIP

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 2013-2015 Microchip Technology Inc.

DS60001348A-page 23

LAN89730

TABLE 2-7:

POWER PINS AND GROUND PAD

Num Pins

Name

Symbol

Buffer

Type

Description

+3.3 V I/O

Power

VDD33IO

Refer to Chapter 3.0, "Power Connections" and

the device reference schematics for connection

information.

+3.3 V Ana-

log Power

VDD33A

Refer to Chapter 3.0, "Power Connections" and

the device reference schematics for connection

information.

+1.2 V Digital

Core Power

VDD12CORE

Refer to Chapter 3.0, "Power Connections" and

the device reference schematics for connection

information.

+1.2 V USB

PLL Power

VDD12USBPLL

This pin must be connected to VDD12CORE for

proper operation.

Refer to Chapter 3.0, "Power Connections" and

the device reference schematics for additional

connection information.

+1.2 V HSIC

Power

VDD12A

This pin must be connected to VDD12CORE for

proper operation.

Refer to Chapter 3.0, "Power Connections" and

the device reference schematics for connection

information.

+1.2 V Ether-

net PLL

Power

VDD12PLL

This pin must be connected to VDD12CORE for

proper operation.

Refer to Chapter 3.0, "Power Connections" and

the device reference schematics for additional

connection information.

Exposed

pad on

package

bottom

Ground

VSS

Common Ground

TABLE 2-8:

NO-CONNECT PINS

Num Pins

Name

Symbol

Buffer

Type

Description

No Connect

This pin must be left floating for normal device

operation.

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