KSZ8041NLJ 데이터 시트보기 (PDF) - Micrel

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KSZ8041NLJ

10/100 Ethernet Transceiver with Extended Temperature Support

Micrel 

Micrel, Inc.

KSZ8041NLJ

Contents

Pin Configuration .................................................................................................................................................................. 6

Pin Description ...................................................................................................................................................................... 7

Strapping Options ............................................................................................................................................................... 10

Functional Description ....................................................................................................................................................... 11

100Base-TX Transmit....................................................................................................................................................... 11

100Base-TX Receive........................................................................................................................................................ 11

PLL Clock Synthesizer...................................................................................................................................................... 11

Scrambler/De-scrambler (100Base-TX only).................................................................................................................... 11

10Base-T Transmit ........................................................................................................................................................... 11

10Base-T Receive ............................................................................................................................................................ 11

SQE and Jabber Function (10Base-T only)...................................................................................................................... 12

Auto-Negotiation ............................................................................................................................................................... 12

MII Management (MIIM) Interface .................................................................................................................................... 14

Interrupt (INTRP) .............................................................................................................................................................. 14

MII Data Interface ............................................................................................................................................................. 14

MII Signal Definition.......................................................................................................................................................... 15

Transmit Clock (TXC) ................................................................................................................................................... 15

Transmit Enable (TXEN) .............................................................................................................................................. 15

Transmit Data [3:0] (TXD[3:0]) ..................................................................................................................................... 15

Receive Clock (RXC).................................................................................................................................................... 15

Receive Data Valid (RXDV).......................................................................................................................................... 16

Receive Data [3:0] (RXD[3:0]) ...................................................................................................................................... 16

Receive Error (RXER) .................................................................................................................................................. 16

Carrier Sense (CRS) .................................................................................................................................................... 16

Collision (COL) ............................................................................................................................................................. 16

Reduced MII (RMII) Data Interface................................................................................................................................... 16

RMII Signal Definition ....................................................................................................................................................... 17

Reference Clock (REF_CLK) ....................................................................................................................................... 17

Transmit Enable (TX_EN) ............................................................................................................................................ 17

Transmit Data [1:0] (TXD[1:0]) ..................................................................................................................................... 17

Carrier Sense/Receive Data Valid (CRS_DV).............................................................................................................. 17

Receive Data [1:0] (RXD[1:0]) ...................................................................................................................................... 17

Receive Error (RX_ER) ................................................................................................................................................ 17

Collision Detection ........................................................................................................................................................ 18

HP Auto MDI/MDI-X.......................................................................................................................................................... 18

Straight Cable ............................................................................................................................................................... 18

Crossover Cable ........................................................................................................................................................... 19

Power Management.......................................................................................................................................................... 20

Power Saving Mode ..................................................................................................................................................... 20

Power Down Mode ....................................................................................................................................................... 20

Reference Clock Connection Options .............................................................................................................................. 20

April 2010

3

M9999-040110-1.0

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