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RTL8111C

INTEGRATED GIGABIT ETHERNET CONTROLLER FOR PCI EXPRESS™ APPLICATIONS

Realtek Semiconductor 

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.

5.2.

5.3.

5.4.

5.5.

5.6.

5.7.

5.8.

5.9.

5.10.

POWER MANAGEMENT/ISOLATION ..............................................................................................................................4

PCI EXPRESS INTERFACE .............................................................................................................................................4

EEPROM ....................................................................................................................................................................5

TRANSCEIVER INTERFACE............................................................................................................................................5

CLOCK .........................................................................................................................................................................5

REGULATOR AND REFERENCE......................................................................................................................................6

LEDS ...........................................................................................................................................................................6

POWER AND GROUND ..................................................................................................................................................6

GPIO PINS ...................................................................................................................................................................7

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

Integrated Gigabit Ethernet Controller for PCI Express

iii

Track ID: JATR-1076-21 Rev. 1.5

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