KSZ8893FQL-FX データシートの表示（PDF） - Micrel

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KSZ8893FQL-FX

Single-Chip 3-Port Switch with Fiber Support

Micrel 

Micrel, Inc.

KSZ8893FQL

Contents

Pin Configuration ............................................................................................................................................................ 12

Pin Description ................................................................................................................................................................ 13

Functional Description ................................................................................................................................................... 22

Functional Overview: Media Conversion...................................................................................................................... 22

TS-1000 OAM Operation ............................................................................................................................................ 22

OAM Frame Format ............................................................................................................................................. 22

Media Converter Modes....................................................................................................................................... 24

MC Loop Back Operation..................................................................................................................................... 25

Dedicated TS-1000 Registers & Pins................................................................................................................... 26

10Base-FL Operation ................................................................................................................................................. 27

Physical Interface ................................................................................................................................................. 27

Enabling 10Base-FL Mode................................................................................................................................... 27

100Base-SX Operation............................................................................................................................................... 27

Physical Interface ................................................................................................................................................. 27

Enabling 100Base-SX Mode ................................................................................................................................ 27

100Base-TX Transmit................................................................................................................................................. 28

100Base-TX Receive.................................................................................................................................................. 28

PLL Clock Synthesizer................................................................................................................................................ 28

Scrambler/De-scrambler (100Base-TX Only)............................................................................................................. 28

100Base-FX Operation ............................................................................................................................................... 29

100Base-FX Signal Detection..................................................................................................................................... 29

100Base-FX Far-End Fault......................................................................................................................................... 29

10Base-T Transmit ..................................................................................................................................................... 29

10Base-T Receive ...................................................................................................................................................... 29

Fiber LED Driver ......................................................................................................................................................... 29

Post Amplifier.............................................................................................................................................................. 30

Power Management.................................................................................................................................................... 30

MDI/MDI-X Auto Crossover ........................................................................................................................................ 30

Straight Cable....................................................................................................................................................... 30

Crossover Cable................................................................................................................................................... 31

Auto-Negotiation ......................................................................................................................................................... 32

LinkMD Cable Diagnostics.......................................................................................................................................... 33

Access.................................................................................................................................................................. 33

Usage ................................................................................................................................................................... 33

Functional Overview: MAC and Switch......................................................................................................................... 34

Address Lookup.......................................................................................................................................................... 34

Learning ...................................................................................................................................................................... 34

Migration ..................................................................................................................................................................... 34

Aging........................................................................................................................................................................... 34

Forwarding .................................................................................................................................................................. 34

Switching Engine ........................................................................................................................................................ 37

MAC Operation ........................................................................................................................................................... 37

Inter Packet Gap (IPG)......................................................................................................................................... 37

Back-Off Algorithm ............................................................................................................................................... 37

Late Collision........................................................................................................................................................ 37

Illegal Frames....................................................................................................................................................... 37

Full Duplex Flow Control ...................................................................................................................................... 37

Half-Duplex Backpressure ................................................................................................................................... 37

Broadcast Storm Protection ................................................................................................................................. 38

MII Interface Operation ............................................................................................................................................... 38

RMII Interface Operation ............................................................................................................................................ 39

SNI (7-Wire) Operation ............................................................................................................................................... 40

MII Management (MIIM) Interface .............................................................................................................................. 41

Serial Management Interface (SMI)............................................................................................................................ 41

October 2007

5

M9999-101607-1.3

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