KSZ8001S 参数 Datasheet PDF下载

KS8001

Micrel

Table of Contents

Pin Description .................................................................................................................................................................................... 6

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

Pin Configuration .............................................................................................................................................................................. 11

Functional Description...................................................................................................................................................................... 12

100BASE-TX Transmit .................................................................................................................................................................... 12

100BASE-TX Receive ..................................................................................................................................................................... 12

PLL Clock Synthesizer .................................................................................................................................................................... 12

Scrambler/De-scrambler (100BASE-TX only).................................................................................................................................. 12

10BASE-T Transmit......................................................................................................................................................................... 12

10BASE-T Receive.......................................................................................................................................................................... 12

SQE and Jabber Function (10BASE-T only) ................................................................................................................................... 13

Auto-Negotiation.............................................................................................................................................................................. 13

MII Management Interface................................................................................................................................................................. 13

MII Data Interface ............................................................................................................................................................................ 13

RMII (Reduced MII) Data Interface.................................................................................................................................................... 14

RMII Signal Definition ...................................................................................................................................................................... 14

Reference Clock (REF_CLK)........................................................................................................................................................... 15

Carrier Sense/Receive Data Valid (CRS_DV) ................................................................................................................................. 15

Receive Data [1:0] (RXD[1:0]) ......................................................................................................................................................... 15

Transmit Enable (TX_EN) ............................................................................................................................................................... 15

Transmit Data [1:0] (TXD[1:0])......................................................................................................................................................... 15

Collision Detection........................................................................................................................................................................... 15

RX_ER ............................................................................................................................................................................................ 15

RMII AC Characteristics .................................................................................................................................................................. 16

RMII Transmit Timing ...................................................................................................................................................................... 16

RMII Receive Timing ....................................................................................................................................................................... 16

SMII Signal Definition........................................................................................................................................................................ 17

SMII Signals .................................................................................................................................................................................... 17

Receive Path ................................................................................................................................................................................... 17

Receive Sequence Diagram ............................................................................................................................................................ 17

Transmit Path .................................................................................................................................................................................. 18

Transmit Sequence Diagram ........................................................................................................................................................... 18

Collision Detection........................................................................................................................................................................... 19

DC Specification .............................................................................................................................................................................. 19

Timing Specification ........................................................................................................................................................................ 20

HP Auto Crossover (Auto MDI/MDI-X) ............................................................................................................................................. 21

Auto MDI/MDI-X Cross-Over Transformer Connection.................................................................................................................... 22

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

100BT FX Mode.................................................................................................................................................................................. 22

Media converter operation................................................................................................................................................................ 22

LinkMD Cable Diagnostics................................................................................................................................................................ 23

Reference Clock Connection Options ............................................................................................................................................. 24

Register Map ...................................................................................................................................................................................... 25

Register 0h – Basic Control ............................................................................................................................................................. 25

Register 1h – Basic Status .............................................................................................................................................................. 26

Register 2h – PHY Identifier 1 ......................................................................................................................................................... 26

Register 3h – PHY Identifier 2 ......................................................................................................................................................... 26

Register 4h – Auto-Negotiation Advertisement................................................................................................................................ 26

May 2005 – SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

KS8001

MICREL CONFIDENTIAL. DO NOT DISTRIBUTE.

4