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RTL8111C

INTEGRATED GIGABIT ETHERNET CONTROLLER FOR PCI EXPRESS™ APPLICATIONS

Realtek Semiconductor 

RTL8111C

Datasheet

List of Figures

FIGURE 1. PIN ASSIGNMENTS .......................................................................................................................................................3

FIGURE 2. RX LED.......................................................................................................................................................................9

FIGURE 3. TX LED.......................................................................................................................................................................9

FIGURE 4. TX/RX LED...............................................................................................................................................................10

FIGURE 5. LINK/ACT LED .......................................................................................................................................................11

FIGURE 6. MSI CAPABILITY STRUCTURE ...................................................................................................................................17

FIGURE 7. MSI-X CAPABILITY STRUCTURE ...............................................................................................................................20

FIGURE 8. MSI-X TABLE STRUCTURE........................................................................................................................................20

FIGURE 9. MSI-X PBA STRUCTURE...........................................................................................................................................20

FIGURE 10. SWITCHING REGULATOR ILLUSTRATION...................................................................................................................25

FIGURE 11. INPUT VOLTAGE OVERSHOOT <4V (GOOD)..............................................................................................................26

FIGURE 12. INPUT VOLTAGE OVERSHOOT >4V (BAD) ................................................................................................................26

FIGURE 13. CERAMIC 22µF 1210 (X5R) (GOOD).........................................................................................................................27

FIGURE 14. CERAMIC 22µF 0805 (Y5V) (BAD) ...........................................................................................................................27

FIGURE 15. ELECTROLYTIC 100µF (RIPPLE TOO HIGH) ...............................................................................................................28

FIGURE 16. 4R7GTSD32 (GOOD) ...............................................................................................................................................29

FIGURE 17. 1µH BEAD (BAD) ......................................................................................................................................................29

FIGURE 18. TYPICAL SWITCHING REGULATOR PCB LAYOUT .....................................................................................................30

FIGURE 19. POWER SEQUENCE ....................................................................................................................................................30

FIGURE 20. SERIAL EEPROM INTERFACE TIMING......................................................................................................................33

FIGURE 21. SINGLE-ENDED MEASUREMENT POINTS FOR ABSOLUTE CROSS POINT AND SWING .................................................37

FIGURE 22. SINGLE-ENDED MEASUREMENT POINTS FOR DELTA CROSS POINT ..........................................................................37

FIGURE 23. SINGLE-ENDED MEASUREMENT POINTS FOR RISE AND FALL TIME MATCHING .......................................................37

FIGURE 24. DIFFERENTIAL MEASUREMENT POINTS FOR DUTY CYCLE AND PERIOD ...................................................................38

FIGURE 25. DIFFERENTIAL MEASUREMENT POINTS FOR RISE AND FALL TIME ...........................................................................38

FIGURE 26. DIFFERENTIAL MEASUREMENT POINTS FOR RINGBACK............................................................................................38

FIGURE 27. REFERENCE CLOCK SYSTEM MEASUREMENT POINT AND LOADING .........................................................................39

FIGURE 28. AUXILIARY SIGNAL TIMING......................................................................................................................................39

Integrated Gigabit Ethernet Controller for PCI Express

vi

Track ID: JATR-1076-21 Rev. 1.5

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