LAN8742AI-CZ datasheet(13/124 Pages) MICROCHIP

Teilenummer	LAN8742Ai-CZ

Bauteilbeschribung	Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR짰 Technology

PDF	124 Pages

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Hersteller	MICROCHIP [Microchip Technology]

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DS00001989A-page 13

LAN8742A/LAN8742Ai

TABLE 2-7:

POWER PINS

Num Pins

Name

Symbol

Buffer Type

Description

+1.8 V to +3.3 V

Variable I/O

Power

VDDIO

+1.8 V to +3.3 V variable I/O power.

Refer to the LAN8742A/LAN8742Ai reference

schematic for connection information.

+1.2 V Digital

Core Power

Supply

VDDCR

Supplied by the on-chip regulator unless config-

ured for regulator off mode via the REGOFF con-

figuration strap.

Refer to the LAN8742A/LAN8742Ai reference

schematic for connection information.

Note:

1 µF and 470 pF decoupling capaci-

tors in parallel to ground should be

used on this pin.

+3.3 V Channel

1 Analog Port

Power

VDD1A

+3.3 V Analog Port Power to Channel 1.

Refer to the LAN8742A/LAN8742Ai reference

schematic for connection information.

+3.3 V Channel

2 Analog Port

Power

VDD2A

+3.3 V Analog Port Power to Channel 2 and the

internal regulator.

Refer to the LAN8742A/LAN8742Ai reference

schematic for connection information.

Ground

VSS

Common ground. This exposed pad must be con-

nected to the ground plane with a via array.

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