KSZ8051MLL データシートの表示（PDF） - Micrel

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KSZ8051MLL

10Base-T/100Base-TX Physical Layer Transceiver

Micrel 

Micrel, Inc.

KSZ8051MLL

Contents

General Description .............................................................................................................................................................. 1

Features ................................................................................................................................................................................. 1

Functional Diagram............................................................................................................................................................... 1

Applications........................................................................................................................................................................... 2

Ordering Information ............................................................................................................................................................ 2

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

Contents................................................................................................................................................................................. 4

List of Figures........................................................................................................................................................................ 6

List of Tables ......................................................................................................................................................................... 7

Pin Configuration – KSZ8051MLL ....................................................................................................................................... 8

Pin Description – KSZ8051MLL ........................................................................................................................................... 9

Pin Description – KSZ8051MLL (Continued).................................................................................................................... 10

Pin Description – KSZ8051MLL (Continued).................................................................................................................... 11

Pin Description – KSZ8051MLL (Continued).................................................................................................................... 12

Strapping Options – KSZ8051MLL .................................................................................................................................... 13

Functional Description: 10Base-T/100Base-TX Transceiver ......................................................................................... 14

100Base-TX Transmit....................................................................................................................................................... 14

100Base-TX Receive........................................................................................................................................................ 14

10Base-T Transmit ........................................................................................................................................................... 14

10Base-T Receive ............................................................................................................................................................ 14

Scrambler/De-Scrambler (100Base-TX Only) .................................................................................................................. 15

SQE and Jabber Function (10Base-T Only)..................................................................................................................... 15

PLL Clock Synthesizer...................................................................................................................................................... 15

Auto-Negotiation ............................................................................................................................................................... 15

MII Data Interface ................................................................................................................................................................ 16

MII Signal Definition.......................................................................................................................................................... 17

Transmit Clock (TXC) ................................................................................................................................................... 17

Transmit Enable (TXEN) .............................................................................................................................................. 17

Transmit Data [3:0] (TXD[3:0]) ..................................................................................................................................... 17

Receive Clock (RXC).................................................................................................................................................... 17

Receive Data Valid (RXDV).......................................................................................................................................... 17

Receive Data[3:0] (RXD[3:0]) ....................................................................................................................................... 18

Receive Error (RXER) .................................................................................................................................................. 18

Carrier Sense (CRS) .................................................................................................................................................... 18

Collision (COL) ............................................................................................................................................................. 18

MII Signal Diagram ........................................................................................................................................................... 18

Back-to-Back Mode – 100Mbps Copper Repeater / Media Converter............................................................................ 19

MII Back-to-Back Mode (KSZ8051MLL only) ................................................................................................................... 19

MII Management (MIIM) Interface....................................................................................................................................... 20

Interrupt (INTRP) ................................................................................................................................................................. 20

July 2010

4

M9999-071210-1.0

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