LAN8741AI-EN datasheet(55/106 Pages) MICROCHIP

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LAN8741Ai-EN 데이터시트(PDF) 55 Page - Microchip Technology

부품명	LAN8741Ai-EN

상세설명	Small Footprint MII/RMII 10/100 Energy Efficient Ethernet Transceiver with HP Auto-MDIX and flexPWR짰 Technology

PDF	106 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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55 / 106 page

 2013-2015 Microchip Technology Inc.

DS00001988A-page 55

LAN8741A/LAN8741Ai

4.2.10

MMD ACCESS CONTROL REGISTER

This register in conjunction with the MMD Access Address/Data Register provides indirect access to the MDIO Man-

ageable Device (MMD) registers. Refer to Section 4.3, "MDIO Manageable Device (MMD) Registers" for additional

details.

Index (In Decimal):

Size:

16 bits

Bits

Description

Type

Default

15:14

MMD Function

This field is used to select the desired MMD function:

00 = Address

01 = Data, no post increment

10 = RESERVED

11 = RESERVED

R/W

00b

13:5

RESERVED

4:0

MMD Device Address (DEVAD)

This field is used to select the desired MMD device address.

(3 = PCS, 7 = auto-negotiation)

R/W

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