KSZ8041NL 参数 Datasheet PDF下载

Micrel, Inc.

KSZ8041NL

Contents

Pin Configuration .................................................................................................................................................................. 8

Pin Description ...................................................................................................................................................................... 9

Strapping Options............................................................................................................................................................... 12

Functional Description ....................................................................................................................................................... 13

100Base-TX Transmit....................................................................................................................................................... 13

100Base-TX Receive........................................................................................................................................................ 13

PLL Clock Synthesizer...................................................................................................................................................... 13

Scrambler/De-scrambler (100Base-TX only).................................................................................................................... 13

10Base-T Transmit ........................................................................................................................................................... 13

10Base-T Receive ............................................................................................................................................................ 13

SQE and Jabber Function (10Base-T only)...................................................................................................................... 14

Auto-Negotiation ............................................................................................................................................................... 14

MII Management (MIIM) Interface .................................................................................................................................... 16

Interrupt (INTRP) .............................................................................................................................................................. 16

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)

..........................................................................................................................................................18

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

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

Carrier Sense (CRS)

......................................................................................................................................................................18

Collision (COL)

.............................................................................................................................................................................18

Reduced MII (RMII) Data Interface................................................................................................................................... 18

RMII Signal Definition ....................................................................................................................................................... 19

Reference Clock (REF_CLK)

.......................................................................................................................................................19

Transmit Enable (TX_EN)............................................................................................................................................................19

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

...................................................................................................................................................19

Carrier Sense/Receive Data Valid (CRS_DV)

..............................................................................................................................19

Receive Data [1:0] (RXD[1:0])......................................................................................................................................................19

Receive Error (RX_ER).................................................................................................................................................................19

Collision Detection

........................................................................................................................................................................20

HP Auto MDI/MDI-X.......................................................................................................................................................... 20

Straight Cable

................................................................................................................................................................................20

Crossover Cable

.............................................................................................................................................................................21

Power Management.......................................................................................................................................................... 22

Power Saving Mode.......................................................................................................................................................................22

Power Down Mode

........................................................................................................................................................................22

Reference Clock Connection Options............................................................................................................................... 22

October 2006

4

M9999-102406-1.0