Micrel, Inc.
KSZ8041NL
Reference Circuit for Power and Ground Connections ....................................................................................................23
Register Map........................................................................................................................................................................24
Register Description...........................................................................................................................................................24
Absolute Maximum Ratings(1) ............................................................................................................................................31
Operating Ratings(2) ............................................................................................................................................................31
Electrical Characteristics(4) ................................................................................................................................................31
Timing Diagrams.................................................................................................................................................................33
MII SQE Timing (10Base-T) .............................................................................................................................................33
MII Transmit Timing (10Base-T).......................................................................................................................................34
MII Receive Timing (10Base-T)........................................................................................................................................35
MII Transmit Timing (100Base-TX)...................................................................................................................................36
MII Receive Timing (100Base-TX)....................................................................................................................................37
RMII Timing.......................................................................................................................................................................38
Auto-Negotiation Timing ...................................................................................................................................................39
MDC/MDIO Timing............................................................................................................................................................40
Reset Timing.....................................................................................................................................................................41
Reset Circuit ........................................................................................................................................................................42
Reference Circuits for LED Strapping Pins......................................................................................................................43
Selection of Isolation Transformer....................................................................................................................................44
Selection of Reference Crystal ..........................................................................................................................................44
Package Information...........................................................................................................................................................45
October 2006
5
M9999-102406-1.0
MICREL [ MICREL SEMICONDUCTOR ]
