RTL8309SB 데이터 시트보기 (PDF) - Realtek Semiconductor

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RTL8309SB

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

Realtek Semiconductor 

RTL8309SB

Datasheet

7.8.10. PHY 7 Register 24: Port 7 Control 2 & VLAN Entry [H] ..................................................................................62

7.8.11. PHY 7 Register 25: VLAN Entry [H]..................................................................................................................63

7.9.

PHY 8 REGISTERS ....................................................................................................................................................63

7.9.1. PHY 8 Register 0: Control..................................................................................................................................63

7.9.2. PHY 8 Register 1: Status ....................................................................................................................................64

7.9.3. PHY 8 Register 4: Auto-Negotiation Advertisement...........................................................................................64

7.9.4. MII Port NWay Mode .........................................................................................................................................65

7.9.5. MII Port Force Mode .........................................................................................................................................65

8. FUNCTIONAL DESCRIPTION.......................................................................................................................................66

8.1.

PHYSICAL LAYER TRANSCEIVER FUNCTIONAL OVERVIEW .......................................................................................66

8.1.1. Auto Negotiation for UTP ..................................................................................................................................66

8.1.2. 100Base-Tx Transmit Function ..........................................................................................................................66

8.1.3. 100Base-Tx Receive Function ............................................................................................................................66

8.1.4. 10Base-T Transmit Function ..............................................................................................................................67

8.1.5. 10Base-T Receive Function ................................................................................................................................67

8.1.6. Link Monitor.......................................................................................................................................................67

8.1.7. Power Saving Mode............................................................................................................................................67

8.1.8. Power-Down Mode.............................................................................................................................................67

8.1.9. Auto Crossover Detection...................................................................................................................................68

8.2.

SWITCH CORE FUNCTIONAL OVERVIEW....................................................................................................................68

8.2.1. Address Search, Learning, and Aging ................................................................................................................68

8.2.2. Flow Control ......................................................................................................................................................69

8.2.3. Half Duplex Operation .......................................................................................................................................69

8.2.4. Backpressure ......................................................................................................................................................70

8.2.5. UTP Port Status Configuration ..........................................................................................................................70

8.2.6. MII Port (The 9th Port) ......................................................................................................................................70

8.3.

ADVANCED FUNCTIONALITY OVERVIEW...................................................................................................................74

8.3.1. Port-Based VLAN ...............................................................................................................................................74

8.3.2. 802.1Q Tagged-VID based VLAN.......................................................................................................................76

8.3.3. QoS Operation....................................................................................................................................................77

8.3.4. Insert/Remove VLAN Priority Tag......................................................................................................................78

8.3.5. Port VID (PVID) ................................................................................................................................................79

8.3.6. Port Trunking .....................................................................................................................................................79

8.3.7. ISP MAC Address Translation ............................................................................................................................79

8.3.8. Lookup Table Access...........................................................................................................................................81

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

ix

Track ID: JATR-1076-21 Rev. 1.4

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