KSZ8051MNL 查看數據表（PDF） - Micrel

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KSZ8051MNL

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

Micrel 

Micrel, Inc.

KSZ8051MNL/RNL

Contents

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

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

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

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

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

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

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

List of Figures........................................................................................................................................................................ 7

List of Tables ......................................................................................................................................................................... 8

Pin Configuration – KSZ8051MNL ....................................................................................................................................... 9

Pin Description – KSZ8051MNL......................................................................................................................................... 10

Strapping Options – KSZ8051MNL.................................................................................................................................... 13

Pin Configuration – KSZ8051RNL ..................................................................................................................................... 14

Pin Description – KSZ8051RNL ......................................................................................................................................... 15

Strapping Options – KSZ8051RNL .................................................................................................................................... 18

Functional Description: 10Base-T/100Base-TX Transceiver ......................................................................................... 19

100Base-TX Transmit....................................................................................................................................................... 19

100Base-TX Receive........................................................................................................................................................ 19

10Base-T Transmit ........................................................................................................................................................... 19

10Base-T Receive ............................................................................................................................................................ 19

Scrambler/De-scrambler (100Base-TX only).................................................................................................................... 20

SQE and Jabber Function (10Base-T only)...................................................................................................................... 20

PLL Clock Synthesizer...................................................................................................................................................... 20

Auto-Negotiation ............................................................................................................................................................... 20

MII Data Interface (KSZ8051MNL only) ............................................................................................................................. 21

MII Signal Definition.......................................................................................................................................................... 22

Transmit Clock (TXC) ................................................................................................................................................... 22

Transmit Enable (TXEN) .............................................................................................................................................. 22

Transmit Data [3:0] (TXD[3:0]) ..................................................................................................................................... 22

Receive Clock (RXC).................................................................................................................................................... 22

Receive Data Valid (RXDV).......................................................................................................................................... 22

Receive Data[3:0] (RXD[3:0]) ....................................................................................................................................... 23

Receive Error (RXER) .................................................................................................................................................. 23

Carrier Sense (CRS) .................................................................................................................................................... 23

Collision (COL) ............................................................................................................................................................. 23

MII Signal Diagram ........................................................................................................................................................... 23

RMII Data Interface (KSZ8051RNL only) ........................................................................................................................... 24

RMII – 25MHz Clock Mode............................................................................................................................................... 24

RMII – 50MHz Clock Mode............................................................................................................................................... 24

RMII Signal Definition ....................................................................................................................................................... 24

Reference Clock (REF_CLK) ....................................................................................................................................... 24

July 2010

4

M9999-070910-1.0

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