KSZ9021RLI(2009) 查看數據表（PDF） - Micrel

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KSZ9021RLI
(Rev.:2009)

Gigabit Ethernet Transceiver with RGMII Support

Micrel 

Micrel, Inc.

KSZ9021RL/RN

Power Saving Mode.......................................................................................................................................................... 33

Software Power Down Mode ............................................................................................................................................ 33

Chip Power Down Mode ................................................................................................................................................... 33

Register Map........................................................................................................................................................................ 33

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

IEEE Defined Registers .................................................................................................................................................... 34

Vendor Specific Registers ................................................................................................................................................ 41

Extended Registers .......................................................................................................................................................... 44

Absolute Maximum Ratings ............................................................................................................................................... 46

Operating Ratings ............................................................................................................................................................... 46

Electrical Characteristic ..................................................................................................................................................... 46

Timing Diagrams ................................................................................................................................................................. 48

RGMII Timing.................................................................................................................................................................... 48

Auto-Negotiation Timing ................................................................................................................................................... 49

MDC/MDIO Timing ........................................................................................................................................................... 50

Reset Timing..................................................................................................................................................................... 51

Reset Circuit ........................................................................................................................................................................ 51

Reference Circuits – LED Strap-in Pins............................................................................................................................ 52

Reference Clock – Connection and Selection.................................................................................................................. 53

Magnetics Specification ..................................................................................................................................................... 53

Package Information........................................................................................................................................................... 54

October 2009

5

M9999-101309-1.1

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