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RTL8309SB

SINGLE-CHIP 9-PORT 10/100MBPS SWITCH CONTROLLER

Realtek Semiconductor 

RTL8309SB

Datasheet

Table of Contents

1. GENERAL DESCRIPTION................................................................................................................................................1

2. FEATURES...........................................................................................................................................................................3

3. BLOCK DIAGRAM.............................................................................................................................................................4

4. PIN ASSIGNMENTS ...........................................................................................................................................................5

5. PIN DESCRIPTIONS ..........................................................................................................................................................7

5.1.

MEDIA CONNECTION PINS ..........................................................................................................................................7

5.2.

MII PORT MAC INTERFACE PINS ...............................................................................................................................7

5.3.

MISCELLANEOUS PINS ................................................................................................................................................9

5.4.

PORT LED PINS ..........................................................................................................................................................9

5.5.

SERIAL EEPROM AND SMI PINS .............................................................................................................................11

5.6.

STRAPPING PINS........................................................................................................................................................12

5.7.

POWER PINS..............................................................................................................................................................16

6. EEPROM REGISTER DESCRIPTION ..........................................................................................................................17

6.1.

GLOBAL CONTROL REGISTERS..................................................................................................................................17

6.1.1. Global Control Register0 ...................................................................................................................................17

6.1.2. Global Control Register1 ...................................................................................................................................17

6.1.3. Global Control Register2 ...................................................................................................................................18

6.1.4. Global Control Register3 ...................................................................................................................................18

6.1.5. Global Control Register4 ...................................................................................................................................19

6.1.6. Global Control Register5 ...................................................................................................................................19

6.1.7. Global Control Register6 ...................................................................................................................................19

6.1.8. Global Control Register7 ...................................................................................................................................19

6.2.

PORT 0~7 CONTROL PINS..........................................................................................................................................20

6.2.1. Port 0 Control 0..................................................................................................................................................20

6.2.2. Port 0 Control 1..................................................................................................................................................20

6.2.3. Port 0 Control 2..................................................................................................................................................21

6.2.4. Port 0 Control 3..................................................................................................................................................21

6.2.5. Port 0 Control 4..................................................................................................................................................21

6.2.6. IP Address...........................................................................................................................................................22

6.2.7. Port 1 Control 0..................................................................................................................................................23

6.2.8. Port 1 Control 1..................................................................................................................................................23

Single-Chip 9-Port 10/100Mbps Switch Controller

iv

Track ID: JATR-1076-21 Rev. 1.4

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