KSZ9021RL View Datasheet(PDF) - Micrel

Part Name

Description

Manufacturer

KSZ9021RL

Gigabit Ethernet Transceiver with RGMII Support

Micrel 

Micrel, Inc.

KSZ9021RL/RN

Register Description ........................................................................................................................................................... 36

IEEE Defined Registers .................................................................................................................................................... 36

Vendor Specific Registers ................................................................................................................................................ 43

Extended Registers .......................................................................................................................................................... 45

Absolute Maximum Ratings ............................................................................................................................................... 48

Operating Ratings ............................................................................................................................................................... 48

Electrical Characteristics ................................................................................................................................................... 48

Timing Diagrams ................................................................................................................................................................. 50

RGMII Timing.................................................................................................................................................................... 50

Auto-Negotiation Timing ................................................................................................................................................... 51

MDC/MDIO Timing ........................................................................................................................................................... 52

Reset Timing..................................................................................................................................................................... 53

Reset Circuit ........................................................................................................................................................................ 53

Reference Circuits – LED Strap-in Pins ............................................................................................................................ 54

Reference Clock – Connection and Selection.................................................................................................................. 55

Magnetics Specification ..................................................................................................................................................... 55

Package Information ........................................................................................................................................................... 56

February 13, 2014

5

Revision 1.2

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