KSZ8051MNLI Ver la hoja de datos (PDF) - Micrel

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KSZ8051MNLI

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

Micrel 

Micrel, Inc.

KSZ8051MNL/RNL

Transmit Enable (TXEN) .............................................................................................................................................. 25

Transmit Data [1:0] (TXD[1:0]) ..................................................................................................................................... 25

Carrier Sense/Receive Data Valid (CRS_DV).............................................................................................................. 25

Receive Data [1:0] (RXD[1:0]) ...................................................................................................................................... 25

Receive Error (RXER) .................................................................................................................................................. 25

Collision Detection........................................................................................................................................................ 25

RMII Signal Diagram......................................................................................................................................................... 25

RMII – 25MHz Clock Mode........................................................................................................................................... 26

RMII – 50MHz Clock Mode........................................................................................................................................... 26

Back-to-Back Mode – 100Mbps Copper Repeater / Media Converter............................................................................ 27

MII Back-to-Back Mode (KSZ8051MNL only)................................................................................................................... 27

RMII Back-to-Back Mode (KSZ8051RNL only) ................................................................................................................ 28

MII Management (MIIM) Interface....................................................................................................................................... 28

Interrupt (INTRP) ................................................................................................................................................................. 29

HP Auto MDI/MDI-X ............................................................................................................................................................. 29

Straight Cable ................................................................................................................................................................... 29

Crossover Cable ............................................................................................................................................................... 30

LinkMD® Cable Diagnostics................................................................................................................................................ 30

NAND Tree Support ............................................................................................................................................................ 30

NAND Tree I/O Testing..................................................................................................................................................... 32

Power Management ............................................................................................................................................................ 32

Power Saving Mode.......................................................................................................................................................... 32

Energy Detect Power Down Mode ................................................................................................................................... 32

Power Down Mode ........................................................................................................................................................... 32

Slow Oscillator Mode ........................................................................................................................................................ 32

Reference Circuit for Power and Ground Connections .................................................................................................. 33

Register Map........................................................................................................................................................................ 34

Register Description ........................................................................................................................................................... 34

Register Description (Continued)...................................................................................................................................... 35

Register Description (Continued)...................................................................................................................................... 36

Register Description (Continued)...................................................................................................................................... 37

Register Description (Continued)...................................................................................................................................... 38

Register Description (Continued)...................................................................................................................................... 39

Register Description (Continued)...................................................................................................................................... 40

Register Description (Continued)...................................................................................................................................... 41

Register Description (Continued)...................................................................................................................................... 42

Register Description (Continued)...................................................................................................................................... 43

Absolute Maximum Ratings(1) ............................................................................................................................................ 44

Operating Ratings(2) ............................................................................................................................................................ 44

Electrical Characteristics(3) ................................................................................................................................................ 44

Electrical Characteristics(3) (Continued) ........................................................................................................................... 45

Timing Diagrams ................................................................................................................................................................. 46

MII SQE Timing (10Base-T) ............................................................................................................................................. 46

July 2010

5

M9999-070910-1.0

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