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RTL8111C-GRwww.DataSheet4U.com
RTL8111C-VB-GR
RTL8111C-VC-GR
INTEGRATED GIGABIT ETHERNET CONTROLLER
FOR PCI EXPRESS™ APPLICATIONS
DATASHEET
www.DataSheet4U.com
Rev. 1.5
11 January 2008
Track ID: JATR-1076-21
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211. Fax: +886-3-577-6047
www.realtek.com.tw

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RTL8111C
Datasheet
COPYRIGHT
©2008 Realtek Semiconductor Corp. All rights reserved. No part of this document may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means without the written permission of Realtek Semiconductor Corp.
DISCLAIMER
Realtek provides this document “as is”, without warranty of any kind, neither expressed nor implied,
including, but not limited to, the particular purpose. Realtek may make improvements and/or changes in
this document or in the product described in this document at any time. This document could include
www.DataShteeceth4Un.iccoaml inaccuracies or typographical errors.
TRADEMARKS
Realtek is a trademark of Realtek Semiconductor Corporation. Other names mentioned in this document
are trademarks/registered trademarks of their respective owners.
USING THIS DOCUMENT
This document is intended for the software engineer’s reference and provides detailed programming
information.
Though every effort has been made to ensure that this document is current and accurate, more information
may have become available subsequent to the production of this guide. In that event, please contact your
Realtek representative for additional information that may help in the development process.
REVISION HISTORY
Revision
Release Date
1.0 2006/12/12
1.1 2007/02/09
1.2 2007/08/10
1.3 2007/09/05
1.4 2007/11/08
1.5 2008/01/11
Summary
First release.
Changed Figure 1 Pin Assignments, page 3.
Changed Table 8 Power and Ground, page 6.
Removed SMBus table.
Added Table 9 GPIO Pins, page 7.
Changed Table 10 NC (Not Connected) Pins, page 4.
Renamed VDD12 to DVDD12.
Changed Figure 1 Pin Assignments, page 3
Changed Table 9 GPIO Pins, page 7.
Added section 7 Switching Regulator, page 25.
Changed Table 26 Absolute Maximum Ratings, page 31.
Changed Table 27 Recommended Operating Conditions, page 31.
Changed Table 30 Thermal Characteristics, page 32.
Changed Table 37 Ordering Information, page 41.
Changed Figure 19 Power Sequence, page 30
Changed Table 25 Power Sequence Parameter, page 30.
Added Table 29 Oscillator Requirements, page 32.
Changed Table 24 Inductor and Capacitor Parts List, page 25.
Changed Table 37 Ordering Information, page 41.
Integrated Gigabit Ethernet Controller for PCI Express
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RTL8111C
Datasheet
Table of Contents
1. GENERAL DESCRIPTION ..............................................................................................................................................1
2. FEATURES .........................................................................................................................................................................2
3. SYSTEM APPLICATIONS...............................................................................................................................................2
4. PIN ASSIGNMENTS .........................................................................................................................................................3
4.1. PACKAGE IDENTIFICATION...........................................................................................................................................3
5. PIN DESCRIPTIONS.........................................................................................................................................................4
5.1. POWER MANAGEMENT/ISOLATION ..............................................................................................................................4
www.DataShee5t4.2U..com PCI EXPRESS INTERFACE .............................................................................................................................................4
5.3. EEPROM ....................................................................................................................................................................5
5.4. TRANSCEIVER INTERFACE............................................................................................................................................5
5.5. CLOCK .........................................................................................................................................................................5
5.6. REGULATOR AND REFERENCE......................................................................................................................................6
5.7. LEDS ...........................................................................................................................................................................6
5.8. POWER AND GROUND ..................................................................................................................................................6
5.9. GPIO PINS ...................................................................................................................................................................7
5.10. NC (NOT CONNECTED) PINS ........................................................................................................................................7
6. FUNCTIONAL DESCRIPTION.......................................................................................................................................8
6.1. PCI EXPRESS BUS INTERFACE......................................................................................................................................8
6.1.1. PCI Express Transmitter ........................................................................................................................................8
6.1.2. PCI Express Receiver .............................................................................................................................................8
6.2. LED FUNCTIONS..........................................................................................................................................................8
6.2.1. Link Monitor...........................................................................................................................................................8
6.2.2. Rx LED ...................................................................................................................................................................9
6.2.3. Tx LED ...................................................................................................................................................................9
6.2.4. Tx/Rx LED ............................................................................................................................................................10
6.2.5. LINK/ACT LED ....................................................................................................................................................11
6.3. PHY TRANSCEIVER ...................................................................................................................................................12
6.3.1. PHY Transmitter...................................................................................................................................................12
6.3.2. PHY Receiver .......................................................................................................................................................12
6.4. NEXT PAGE ................................................................................................................................................................13
6.5. EEPROM INTERFACE ................................................................................................................................................13
6.6. POWER MANAGEMENT...............................................................................................................................................14
6.7. VITAL PRODUCT DATA (VPD)...................................................................................................................................16
6.8. MESSAGE SIGNALED INTERRUPT (MSI) .....................................................................................................................17
6.8.1. MSI Capability Structure in PCI Configuration Space ........................................................................................17
6.8.2. Message Control...................................................................................................................................................18
6.8.3. Message Address ..................................................................................................................................................19
6.8.4. Message Upper Address .......................................................................................................................................19
6.8.5. Message Data .......................................................................................................................................................19
6.9. MSI-X .......................................................................................................................................................................20
6.9.1. MSI-X Capability Structure in PCI Configuration Space.....................................................................................20
6.9.2. Message Control...................................................................................................................................................21
6.9.3. Table Offset/BIR ...................................................................................................................................................21
6.9.4. PBA Offset/PBA BIR.............................................................................................................................................22
6.9.5. Message Address for MSI-X Table Entries...........................................................................................................22
6.9.6. Message Upper Address for MSI-X Table Entries................................................................................................22
6.9.7. Message Data for MSI-X Table Entries................................................................................................................22
6.9.8. Vector Control for MSI-X Table Entries ..............................................................................................................23
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6.9.9. Pending Bits for MSI-X PBA Entries....................................................................................................................23
6.10. RECEIVE-SIDE SCALING (RSS) ..................................................................................................................................23
6.10.1. Receive-Side Scaling (RSS) Initialization ........................................................................................................23
6.10.2. RSS Operation .................................................................................................................................................24
7. SWITCHING REGULATOR..........................................................................................................................................25
7.1. PCB LAYOUT.............................................................................................................................................................25
7.2. INDUCTOR AND CAPACITOR PARTS LIST....................................................................................................................25
7.3. MEASUREMENT CRITERIA..........................................................................................................................................26
7.4. TYPICAL SWITCHING REGULATOR PCB LAYOUT ......................................................................................................30
7.5. POWER SEQUENCE .....................................................................................................................................................30
8. CHARACTERISTICS......................................................................................................................................................31
www.DataShee8t4.1U..com ABSOLUTE MAXIMUM RATINGS ................................................................................................................................31
8.2. RECOMMENDED OPERATING CONDITIONS .................................................................................................................31
8.3. CRYSTAL REQUIREMENTS..........................................................................................................................................31
8.4. OSCILLATOR REQUIREMENTS ....................................................................................................................................32
8.5. THERMAL CHARACTERISTICS.....................................................................................................................................32
8.6. DC CHARACTERISTICS...............................................................................................................................................32
8.7. AC CHARACTERISTICS...............................................................................................................................................33
8.7.1. Serial EEPROM Interface Timing ........................................................................................................................33
8.8. PCI EXPRESS BUS PARAMETERS................................................................................................................................34
8.8.1. Differential Transmitter Parameters ....................................................................................................................34
8.8.2. Differential Receiver Parameters .........................................................................................................................35
8.8.3. REFCLK Parameters............................................................................................................................................35
8.8.4. Auxiliary Signal Timing Parameters ....................................................................................................................39
9. MECHANICAL DIMENSIONS......................................................................................................................................40
10. ORDERING INFORMATION ...................................................................................................................................41
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RTL8111C
Datasheet
List of Tables
TABLE 1. POWER MANAGEMENT/ISOLATION ...............................................................................................................................4
TABLE 2. PCI EXPRESS INTERFACE..............................................................................................................................................4
TABLE 3. EEPROM .....................................................................................................................................................................5
TABLE 4. TRANSCEIVER INTERFACE ............................................................................................................................................5
TABLE 5. CLOCK ..........................................................................................................................................................................5
TABLE 6. REGULATOR AND REFERENCE ......................................................................................................................................6
TABLE 7. LEDS............................................................................................................................................................................6
TABLE 8. POWER AND GROUND ...................................................................................................................................................6
TABLE 9. GPIO PINS ....................................................................................................................................................................7
TABLE 10. NC (NOT CONNECTED) PINS ........................................................................................................................................7
www.DataShTeAeBt4LUE.c1o1m. EEPROM INTERFACE ................................................................................................................................................13
TABLE 12. MESSAGE CONTROL...................................................................................................................................................18
TABLE 13. MESSAGE ADDRESS ...................................................................................................................................................19
TABLE 14. MESSAGE UPPER ADDRESS ........................................................................................................................................19
TABLE 15. MESSAGE DATA .........................................................................................................................................................19
TABLE 16. MESSAGE CONTROL...................................................................................................................................................21
TABLE 17. TABLE OFFSET/BIR ...................................................................................................................................................21
TABLE 18. PBA OFFSET/PBA BIR..............................................................................................................................................22
TABLE 19. MESSAGE ADDRESS FOR MSI-X TABLE ENTRIES ......................................................................................................22
TABLE 20. MESSAGE UPPER ADDRESS FOR MSI-X TABLE ENTRIES ...........................................................................................22
TABLE 21. MESSAGE DATA FOR MSI-X TABLE ENTRIES ............................................................................................................22
TABLE 22. VECTOR CONTROL FOR MSI-X TABLE ENTRIES ........................................................................................................23
TABLE 23. PENDING BITS FOR MSI-X PBA ENTRIES ..................................................................................................................23
TABLE 24. INDUCTOR AND CAPACITOR PARTS LIST....................................................................................................................25
TABLE 25. POWER SEQUENCE PARAMETER.................................................................................................................................30
TABLE 26. ABSOLUTE MAXIMUM RATINGS ................................................................................................................................31
TABLE 27. RECOMMENDED OPERATING CONDITIONS .................................................................................................................31
TABLE 28. CRYSTAL REQUIREMENTS..........................................................................................................................................31
TABLE 29. OSCILLATOR REQUIREMENTS ....................................................................................................................................32
TABLE 30. THERMAL CHARACTERISTICS.....................................................................................................................................32
TABLE 31. DC CHARACTERISTICS...............................................................................................................................................32
TABLE 32. EEPROM ACCESS TIMING PARAMETERS ..................................................................................................................33
TABLE 33. DIFFERENTIAL TRANSMITTER PARAMETERS ..............................................................................................................34
TABLE 34. DIFFERENTIAL RECEIVER PARAMETERS.....................................................................................................................35
TABLE 35. REFCLK PARAMETERS .............................................................................................................................................35
TABLE 36. AUXILIARY SIGNAL TIMING PARAMETERS.................................................................................................................39
TABLE 37. ORDERING INFORMATION ..........................................................................................................................................41
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