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
October 2006
6
M9999-102406-1.0
MICREL [ MICREL SEMICONDUCTOR ]
