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RTL8316E-RTL8324E规格书
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RTL8316E
LAYER 2 16-PORT 10/100M SINGLE-CHIP
SWITCH CONTROLLER
RTL8324E
LAYER 2 24-PORT 10/100M SWITCH
CONTROLLER WITH ONE XSMII
DATASHEET
(CONFIDENTIAL: Development Partners Only)
Rev. 1.0
24 April 2013
Track ID: JATR-8275-15
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211 Fax: +886-3-577-6047
www.realtek.com
RTL8316E/RTL8324E
Datasheet
Layer 2 16-Port & 24-Port 10/100M Switch Controllers ii Track ID: JATR-8275-15 Rev. 1.0
COPYRIGHT
©2013 Realtek Semiconductor Corp. All rights reserved. No part of this document may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means without the written permission of Realtek Semiconductor Corp.
DISCLAIMER
Realtek provides this document ‘as is’, without warranty of any kind. Realtek may make improvements
and/or changes in this document or in the product described in this document at any time. This document
could include technical inaccuracies or typographical errors.
TRADEMARKS
Realtek is a trademark of Realtek Semiconductor Corporation. Other names mentioned in this document
are trademarks/registered trademarks of their respective owners.
USING THIS DOCUMENT
This document is intended for the hardware and software engineer’s general information on the Realtek
RTL8316E/RTL8324E chips.
Though every effort has been made to ensure that this document is current and accurate, more information
may have become available subsequent to the production of this guide.
REVISION HISTORY
Revision Release Date Summary
1.0 2013/04/24 First release.
RTL8316E/RTL8324E
Datasheet
Layer 2 16-Port & 24-Port 10/100M Switch Controllers iii Track ID: JATR-8275-15 Rev. 1.0
Table of Contents
1. GENERAL DESCRIPTION..............................................................................................................................................1
2. FEATURES.........................................................................................................................................................................2
3. BLOCK DIAGRAMS.........................................................................................................................................................3
3.1. RTL8316E BLOCK DIAGRAM ......................................................................................................................................3
3.2. RTL8324E BLOCK DIAGRAM ......................................................................................................................................4
4. SYSTEM APPLICATIONS...............................................................................................................................................5
4.1. RTL8316E: 16*10/100M SWITCH ...............................................................................................................................5
4.2. RTL8324E: 24*10/100M SWITCH ...............................................................................................................................6
5. PIN ASSIGNMENTS AND DESCRIPTIONS (RTL8316E)...........................................................................................7
5.1. PIN ASSIGNMENTS FIGURE (RTL8316E) .....................................................................................................................7
5.2. PACKAGE IDENTIFICATION...........................................................................................................................................7
5.3. PIN ASSIGNMENTS TABLE DEFINITIONS (RTL8316E)..................................................................................................8
5.4. PIN ASSIGNMENTS TABLE (RTL8316E).......................................................................................................................8
5.5. PIN DESCRIPTIONS (RTL8316E) ................................................................................................................................10
5.5.1. Media Connection Pins (RTL8316E)....................................................................................................................10
5.5.2. Serial LED/LED IC Interface Pins (RTL8316E) ..................................................................................................11
5.5.3. SCAN LED Interface Pins (RTL8316E) ...............................................................................................................11
5.5.4. Miscellaneous Interface Pins (RTL8316E)...........................................................................................................11
5.5.5. Configuration Strapping Pins (RTL8316E)..........................................................................................................12
5.5.6. Power and GND Pins (RTL8316E) ......................................................................................................................13
6. PIN ASSIGNMENTS AND DESCRIPTIONS (RTL8324E).........................................................................................14
6.1. PIN ASSIGNMENTS FIGURE (RTL8324E) ...................................................................................................................14
6.2. PACKAGE IDENTIFICATION.........................................................................................................................................14
6.3. PIN ASSIGNMENTS TABLE DEFINITIONS (RTL8324E)................................................................................................15
6.4. PIN ASSIGNMENTS TABLE (RTL8324E).....................................................................................................................15
6.5. PIN DESCRIPTIONS (RTL8324E) ................................................................................................................................17
6.5.1. Media Connection Pins (RTL8324E)....................................................................................................................17
6.5.2. Serial LED Interface Pins (RTL8324E)................................................................................................................18
6.5.3. Miscellaneous Interface Pins (RTL8324E)...........................................................................................................18
6.5.4. Configuration Strapping Pins (RTL8324E)..........................................................................................................18
6.5.5. XSMII Interface Pins (RTL8324E) .......................................................................................................................19
6.5.6. Power and GND Pins (RTL8324E) ......................................................................................................................19
7. PHYSICAL LAYER FUNCTIONAL OVERVIEW......................................................................................................20
7.1. MDI INTERFACE ........................................................................................................................................................20
7.2. 100BASE-TX TRANSMIT FUNCTION...........................................................................................................................20
7.3. 100BASE-TX RECEIVE FUNCTION .............................................................................................................................20
7.4. 10BASE-T TRANSMIT FUNCTION ...............................................................................................................................20
7.5. 10BASE-T RECEIVE FUNCTION ..................................................................................................................................20
7.6. AUTO-NEGOTIATION FOR UTP ..................................................................................................................................21
7.7. CROSSOVER DETECTION AND AUTO CORRECTION.....................................................................................................21
7.8. POLARITY CORRECTION .............................................................................................................................................21
8. SWITCH FUNCTION DESCRIPTION .........................................................................................................................22
8.1. HARDWARE RESET AND SOFTWARE RESET................................................................................................................22
8.1.1. Hardware Reset ....................................................................................................................................................22
8.1.2. Software Reset ......................................................................................................................................................22
RTL8316E/RTL8324E
Datasheet
Layer 2 16-Port & 24-Port 10/100M Switch Controllers iv Track ID: JATR-8275-15 Rev. 1.0
8.2. LAYER 2 LEARNING AND FORWARDING.....................................................................................................................22
8.2.1. Learning ...............................................................................................................................................................22
8.2.2. Forwarding...........................................................................................................................................................22
8.2.3. Address Table Aging.............................................................................................................................................22
8.3. RESERVED MULTICAST ADDRESS HANDLING ............................................................................................................23
8.4. IEEE 802.3X FLOW CONTROL ...................................................................................................................................23
8.5. HALF DUPLEX BACKPRESSURE ..................................................................................................................................24
8.5.1. Collision-Based Backpressure (Jam Mode) .........................................................................................................24
8.5.2. Carrier-Based Backpressure (Defer Mode) .........................................................................................................25
8.6. IEEE 802.3AZ ENERGY EFFICIENT ETHERNET (EEE) ................................................................................................25
8.7. GREEN ETHERNET......................................................................................................................................................25
8.7.1. Link Down Power Saving .....................................................................................................................................25
8.8. IEEE 802.1P AND IEEE 802.1Q (VLAN) ..................................................................................................................25
8.9. LOOP DETECTION.......................................................................................................................................................26
8.10. LAYER 2 TRAFFIC SUPPRESSION (STORM CONTROL) .................................................................................................26
8.11. IEEE 802.3AD LINK AGGREGATION PROTOCOL ........................................................................................................26
8.12. BANDWIDTH CONTROL ..............................................................................................................................................26
8.12.1. Input Bandwidth Control .................................................................................................................................26
8.12.2. Output Bandwidth Control...............................................................................................................................26
8.13. QUALITY OF SERVICE (QOS)......................................................................................................................................27
8.13.1. Priority Arbitration..........................................................................................................................................27
8.13.2. Port-Based Priority Assignment ......................................................................................................................27
8.13.3. IEEE 802.1Q-Based Priority Assignment........................................................................................................27
8.13.4. DSCP-Based Priority Assignment ...................................................................................................................27
8.13.5. Internal Priority to Queue ID Table ................................................................................................................27
8.14. PACKET SCHEDULING (WRR AND WFQ)...................................................................................................................28
8.15. EGRESS PACKET REMARKING ....................................................................................................................................28
8.16. INGRESS AND EGRESS PORT MIRROR .........................................................................................................................28
8.17. MANAGEMENT INFORMATION BASE (MIB) ...............................................................................................................28
8.18. REALTEK CABLE TESTER ...........................................................................................................................................29
8.19. EEPROM CONFIGURATION .......................................................................................................................................29
9. INTERFACE DESCRIPTIONS ......................................................................................................................................30
9.1. XSMII INTERCONNECTION ........................................................................................................................................30
9.2. I2C-LIKE LED ...........................................................................................................................................................30
9.3. SERIAL LED CONNECTION.........................................................................................................................................31
9.4. SCAN LED FOR RTL8316E (NOT SUPPORTED IN THE RTL8324E)............................................................................32
9.5. I2C MASTER FOR EEPROM ......................................................................................................................................33
9.6. SERIAL CPU INTERFACE ............................................................................................................................................33
10. ELECTRICAL AC/DC CHARACTERISTICS........................................................................................................34
10.1. ABSOLUTE MAXIMUM RATINGS ................................................................................................................................34
10.2. OPERATING RANGE....................................................................................................................................................34
10.3. DC CHARACTERISTICS...............................................................................................................................................34
10.4. AC CHARACTERISTICS...............................................................................................................................................35
10.4.1. XSMII Transmitter Signal Electrical Characteristics......................................................................................35
10.4.2. XSMII Receiver Signal Electrical Characteristics...........................................................................................35
10.4.3. Serial LED Signal Timing................................................................................................................................35
10.4.4. Scan LED Mode Signal Timing (RTL8316E)...................................................................................................36
10.4.5. I2C Master for EEPROM Timing ....................................................................................................................36
10.4.6. SCK/SDA Power on Timing.............................................................................................................................37
10.4.7. EEPROM Auto-Load Timing...........................................................................................................................37
10.4.8. I2C Master Mode Timing Characteristics .......................................................................................................37
10.4.9. Serial CPU Interface Timing ...........................................................................................................................38
10.4.10. Serial CPU Interface Timing Characteristics..................................................................................................38
RTL8316E/RTL8324E
Datasheet
Layer 2 16-Port & 24-Port 10/100M Switch Controllers v Track ID: JATR-8275-15 Rev. 1.0
10.5. SMI TIMING CHARACTERISTICS (RTL8324E ONLY) .................................................................................................38
11. MECHANICAL DIMENSIONS.................................................................................................................................39
12. ORDERING INFORMATION...................................................................................................................................40
List of Tables
TABLE 1. PIN ASSIGNMENTS TABLE (RTL8316E).........................................................................................................................8
TABLE 2. MEDIA CONNECTION PINS (RTL8316E) ......................................................................................................................10
TABLE 3. SERIAL LED/LED IC INTERFACE PINS (RTL8316E) ...................................................................................................11
TABLE 4. SCAN LED INTERFACE PINS (RTL8316E)..................................................................................................................11
TABLE 5. MISCELLANEOUS INTERFACE PINS (RTL8316E)..........................................................................................................11
TABLE 6. CONFIGURATION STRAPPING PINS (RTL8316E) ..........................................................................................................12
TABLE 7. POWER AND GND PINS (RTL8316E)...........................................................................................................................13
TABLE 8. RTL8324E PIN ASSIGNMENTS TABLE (RTL8324E) ....................................................................................................15
TABLE 9. MEDIA CONNECTION PINS (RTL8324E) ......................................................................................................................17
TABLE 10. LED INTERFACE PINS (RTL8324E).............................................................................................................................18
TABLE 11. MISCELLANEOUS INTERFACE PINS (RTL8324E) .........................................................................................................18
TABLE 12. CONFIGURATION STRAPPING PINS (RTL8324E)..........................................................................................................18
TABLE 13. XSMII INTERFACE PINS (RTL8324E) .........................................................................................................................19
TABLE 14. POWER AND GND PINS (RTL8324E) ..........................................................................................................................19
TABLE 15. RESERVED MULTICAST ADDRESS DEFAULT ACTIONS .................................................................................................23
TABLE 16. ABSOLUTE MAXIMUM RATINGS ..................................................................................................................................34
TABLE 17. RECOMMENDED OPERATING RANGE ...........................................................................................................................34
TABLE 18. DC CHARACTERISTICS.................................................................................................................................................34
TABLE 19. XSMII TRANSMITTER SIGNAL ELECTRICAL CHARACTERISTICS ..................................................................................35
TABLE 20. XSMII RECEIVER SIGNAL ELECTRICAL CHARACTERISTICS ........................................................................................35
TABLE 21. I2C MASTER MODE TIMING CHARACTERISTICS ..........................................................................................................37
TABLE 22. SERIAL CPU INTERFACE TIMING CHARACTERISTICS...................................................................................................38
TABLE 23. SMI TIMING CHARACTERISTICS (RTL8324E ONLY)...................................................................................................38
TABLE 24. ORDERING INFORMATION ............................................................................................................................................40
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