Micrel, Inc.
KSZ8041NL
List of Figures
Figure 1. Auto-Negotiation Flow Chart................................................................................................................................. 15
Figure 2. Typical Straight Cable Connection ....................................................................................................................... 20
Figure 3. Typical Crossover Cable Connection ................................................................................................................... 21
Figure 4. 25MHz Crystal / Oscillator Reference Clock for MII Mode ................................................................................... 22
Figure 5. 50MHz Oscillator Reference Clock for RMII Mode............................................................................................... 22
Figure 6. KSZ8041NL Power and Ground Connections ...................................................................................................... 23
Figure 7. MII SQE Timing (10Base-T) ................................................................................................................................. 33
Figure 8. MII Transmit Timing (10Base-T) ........................................................................................................................... 34
Figure 9. MII Receive Timing (10Base-T) ............................................................................................................................ 35
Figure 10. MII Transmit Timing (100Base-TX)..................................................................................................................... 36
Figure 11. MII Receive Timing (100Base-TX)...................................................................................................................... 37
Figure 12. RMII Timing – Data Received from RMII ............................................................................................................ 38
Figure 13. RMII Timing – Data Input to RMII ....................................................................................................................... 38
Figure 14. Auto-Negotiation Fast Link Pulse (FLP) Timing ................................................................................................. 39
Figure 15. MDC/MDIO Timing.............................................................................................................................................. 40
Figure 16. Reset Timing....................................................................................................................................................... 41
Figure 17. Recommended Reset Circuit.............................................................................................................................. 42
Figure 18. Recommended Reset Circuit for interfacing with CPU/FPGA Reset Output...................................................... 42
Figure 19. Reference Circuits for LED Strapping Pins......................................................................................................... 43
July 2008
6
M9999-071808-1.2
MICREL [ MICREL SEMICONDUCTOR ]
