KSZ8895MLU Просмотр технического описания (PDF) - Micrel

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KSZ8895MLU

Integrated 5-Port 10/100 Managed Switch

Micrel 

Micrel, Inc.

KSZ8895MLU

Contents

Features ................................................................................................................................................................................. 2

Advanced Switch Features ................................................................................................................................................. 2

Comprehensive Configuration Register Access ................................................................................................................. 2

QoS/CoS Packet Prioritization Support .............................................................................................................................. 2

Integrated 5-Port 10/100 Ethernet Switch .......................................................................................................................... 2

Switch Monitoring Features ................................................................................................................................................ 2

Low Power Dissipation ....................................................................................................................................................... 2

Ordering Information ............................................................................................................................................................ 3

Revision History .................................................................................................................................................................... 3

List of Figures...................................................................................................................................................................... 13

List of Tables ....................................................................................................................................................................... 14

Pin Configuration ................................................................................................................................................................ 15

Pin Description .................................................................................................................................................................... 16

Pin for Strap-In Options...................................................................................................................................................... 22

Introduction ......................................................................................................................................................................... 25

Physical Layer Transceiver................................................................................................................................................ 25

100BASE-TX Transmit ..................................................................................................................................................... 25

10BASE-T Transmit .......................................................................................................................................................... 25

10BASE-T Receive ........................................................................................................................................................... 26

MDI/MDI-X Auto Crossover .............................................................................................................................................. 26

Auto-Negotiation ............................................................................................................................................................... 27

Power Management ............................................................................................................................................................ 29

Normal Operation Mode ................................................................................................................................................... 29

Energy Detect Mode ......................................................................................................................................................... 29

Soft Power-Down Mode .................................................................................................................................................... 30

Power-Saving Mode.......................................................................................................................................................... 30

Port-Based Power-Down Mode ........................................................................................................................................ 30

Switch Core....................................................................................................................................................................... 30

Address Look-Up .............................................................................................................................................................. 30

Learning ............................................................................................................................................................................ 30

Migration ........................................................................................................................................................................... 30

Aging ................................................................................................................................................................................. 30

Forwarding ........................................................................................................................................................................ 31

Switching Engine .............................................................................................................................................................. 31

Media Access Controller (MAC) Operation ...................................................................................................................... 31

MII Interface Operation ..................................................................................................................................................... 34

April 28, 2014

4

Revision 1.2

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