LAN8742AI-CZ datasheet(51/124 Pages) MICROCHIP

поискавой системы для электроныых деталей

LAN8742Ai-CZ датащи(PDF) 51 Page - Microchip Technology

номер детали	LAN8742Ai-CZ

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

PDF	124 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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51 / 124 page

 2013-2015 Microchip Technology Inc.

DS00001989A-page 51

LAN8742A/LAN8742Ai

3.8.10.3

Connector Loopback

The device maintains reliable transmission over very short cables and can be tested in a connector loopback as shown

in Figure 3-19. An RJ45 loopback cable can be used to route the transmit signals from the output of the transformer

back to the receiver inputs. The loopback works at both 10 and 100 Mbps.

FIGURE 3-19:

CONNECTOR LOOPBACK BLOCK DIAGRAM

Microchip

Ethernet Transceiver

10/100

Ethernet

MAC

XFMR

Digital

RXD

TXD

Analog

RJ45 Loopback Cable.

Created by connecting pin 1 to pin 3

and connecting pin 2 to pin 6.

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