RTL8309SB Ver la hoja de datos (PDF) - Realtek Semiconductor

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RTL8309SB

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

Realtek Semiconductor 

RTL8309SB

Datasheet

List of Figures

Figure 1. Block Diagram .............................................................................................................................4

Figure 2. Pin Assignments ...........................................................................................................................5

Figure 3. MII Port Application ..................................................................................................................71

Figure 4. MII Port Operating Mode Overview..........................................................................................72

Figure 5. VLAN Grouping Example .........................................................................................................75

Figure 6. Tagged and Untagged Packet Forwarding When 802.1Q Tag Aware VLAN is Disabled .........76

Figure 7. ISP MAC Outbound Process ......................................................................................................80

Figure 8. ISP MAC Inbound Process.........................................................................................................80

Figure 9. Input Drop vs. Output Drop .......................................................................................................82

Figure 10. Start and Stop Definition ............................................................................................................83

Figure 11. Output Acknowledge ..................................................................................................................84

Figure 12. Random Read .............................................................................................................................84

Figure 13. Sequential Read..........................................................................................................................84

Figure 14. MII Port Loopback .....................................................................................................................85

Figure 15. Loop Example ............................................................................................................................86

Figure 16. Floating and Pull-down of LED Pins .........................................................................................87

Figure 17. Two-Pin Bi-Color LED for SPD Floating or Pull-high..............................................................88

Figure 18. Two-Pin Bi-Color LED for SPD Pull-down...............................................................................88

Figure 19. Bi-Color LED Reference Schematic ..........................................................................................89

Figure 20. Reception Data Timing of MII/SNI/SMI Interface ....................................................................92

Figure 21. Transmission Data Timing of MII/SNI/SMI Interface...............................................................92

Figure 22. Cross-section of 128-Pin PQFP..................................................................................................94

Figure 23. Application for Transformer with Connected Central Tap .........................................................97

Figure 24. Bob Smith Termination ..............................................................................................................98

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

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Track ID: JATR-1076-21 Rev. 1.4

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