RTL8309N 데이터 시트보기 (PDF) - Realtek Semiconductor
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RTL8309N Datasheet PDF : 32 Pages
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RTL8309N
Datasheet
Contents
1. GENERAL DESCRIPTION................................................................................................................................................0
2. FEATURES...........................................................................................................................................................................1
3. BLOCK DIAGRAM.............................................................................................................................................................3
4. PIN ASSIGNMENTS ...........................................................................................................................................................4
4.1. PIN ASSIGNMENTS DIAGRAM .......................................................................................................................................4
4.2. PACKAGE IDENTIFICATION ...........................................................................................................................................5
4.3. PIN ASSIGNMENTS TABLE ............................................................................................................................................5
4.4. PIN DESCRIPTIONS .......................................................................................................................................................1
4.4.1.
Media Connection Pins......................................................................................................................................1
4.4.2.
Parallel LED Pins..............................................................................................................................................1
4.4.3.
Miscellaneous Interface Pins.............................................................................................................................2
4.4.4.
Configuration Strapping Pins ............................................................................................................................2
4.4.5.
Regulator Pins ...................................................................................................................................................3
4.4.6.
Power and GND Pins ........................................................................................................................................4
5. PHYSICAL LAYER FUNCTION DESCRIPTION ..........................................................................................................4
5.1.
5.2.
5.3.
5.4.
5.5.
5.6.
5.7.
5.8.
5.9.
5.10.
5.11.
MDI INTERFACE...........................................................................................................................................................4
10BASE-T TRANSMIT FUNCTION..................................................................................................................................5
10BASE-T RECEIVE FUNCTION ....................................................................................................................................5
100BASE-TX TRANSMIT FUNCTION.............................................................................................................................5
100BASE-TX RECEIVE FUNCTION ...............................................................................................................................5
100BASE-FX FUNCTION ..............................................................................................................................................5
AUTO-NEGOTIATION FOR UTP FUNCTION....................................................................................................................6
CROSSOVER DETECTION AND AUTO CORRECTION FUNCTION......................................................................................6
POLARITY CORRECTION FUNCTION..............................................................................................................................6
IEEE 802.3AZ ENERGY EFFICIENT ETHERNET FUNCTION (EEE) .................................................................................6
LINK DOWN POWER SAVING FUNCTION.......................................................................................................................7
6. SWITCH CORE FUNCTION DESCRIPTION ................................................................................................................7
6.1. HARDWARE RESET AND SOFTWARE RESET FUNCTION .................................................................................................7
6.1.1.
Hardware Reset .................................................................................................................................................7
6.1.2.
Software Reset....................................................................................................................................................7
6.2. LAYER 2 LEARNING AND FORWARDING FUNCTION ......................................................................................................7
6.2.1.
Forwarding ........................................................................................................................................................8
6.2.2.
Learning.............................................................................................................................................................8
6.2.3.
Address Table Aging ..........................................................................................................................................8
6.2.4.
Layer 2 Multicast...............................................................................................................................................8
6.3. MAC LIMIT FUNCTION ................................................................................................................................................8
6.4. RESERVED MULTICAST ADDRESS HANDLING FUNCTION .............................................................................................9
6.5. IEEE 802.3X FLOW CONTROL FUNCTION ....................................................................................................................9
6.6. HALF DUPLEX BACKPRESSURE FUNCTION.................................................................................................................10
6.6.1.
Collision-Based Backpressure (Jam Mode).....................................................................................................10
6.6.2.
Carrier-Based Backpressure (Defer Mode) ..................................................................................................... 11
6.7. VLAN FUNCTION ......................................................................................................................................................11
6.7.1.
Port-Based VLAN ............................................................................................................................................12
6.7.2.
IEEE 802.1Q Tagged-VID Based VLAN ..........................................................................................................12
6.7.3.
Insert/Remove/Replace Tag..............................................................................................................................12
6.7.4.
Ingress and Egress Rules .................................................................................................................................13
6.8. IEEE 802.1P REMARKING FUNCTION.........................................................................................................................13
6.9. BANDWIDTH CONTROL FUNCTION .............................................................................................................................14
6.9.1.
Input Bandwidth Control .................................................................................................................................14
6.9.2.
Output Bandwidth Control...............................................................................................................................14
6.10. QUALITY OF SERVICE (QOS) FUNCTION.....................................................................................................................14
6.10.1. Priority Arbitration..........................................................................................................................................14
6.10.2. Port-Based Priority Assignment ......................................................................................................................15
6.10.3. IEEE 802.1Q-Based Priority Assignment........................................................................................................15
8-Port 10/100Mbps Ethernet Switch Controller
iii
Track ID:
Rev. 1.0
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