Datasheet > RTL8308B

RTL8308B

更新时间： 2024-09-18 22:23:27

品牌	Logo	应用领域
其他 - ETC		存储控制器 LTE 以太网局域网（LAN）标准以太网：16GBASE-T
页数	文件大小	规格书
28页	397K
描述
REALTEK SINGLE CHIP 8-PORT 10/100 ETHERNET SWITCH CONTROLLER WITH EMBEDDED MEMORY

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RTL8308B 数据手册

RTL8308B

REALTEK SINGLE CHIP

8-PORT 10/100 ETHERNET

SWITCH CONTROLLER

WITH EMBEDDED MEMORY

RTL8308B

1. Features ................................................................2

2. General Description ............................................3

3. Block Diagram.....................................................4

4. Pin Assignments...................................................5

5. Pin Description ....................................................6

5.1 RMII Interface ................................................6

5.2 Serial EEPROM 24LC02 Interface.................7

5.3 System Pins.....................................................7

5.4 Mode Pins (Reset-Read) .................................7

5.5 LED Pin ..........................................................8

5.6 Test Pin............................................................8

5.7 Power & Ground Pins .....................................8

6. Functional Description........................................9

6.1 Reset................................................................9

6.2 Network Interface ...........................................9

6.2.1 Medium Access Control ..........................9

6.2.2 Auto Negotiation....................................10

6.2.3 MII Interface..........................................10

6.2.4 RMII interface .......................................10

6.2.5 Illegal Frames ........................................11

6.3 EEPROM Interface .......................................11

6.4 Serial Management Interface MDC/MDIO ..12

6.5 Reversible PHYAD Order.............................13

6.6 Address Search and Learning .......................13

6.7 Address Hashing Mode.................................14

6.8 Address Direct Mapping Mode.....................14

6.9 Frame Filtering..............................................14

6.10 Back off Algorithm .................................... 15

6.11 Inter-Frame Gap ......................................... 15

6.12 Buffer Management.................................... 15

6.13 Buffer Manager .......................................... 15

6.14 Data Reception........................................... 16

6.15 Data Forwarding......................................... 16

6.16 Flow Control .............................................. 17

6.17 Cut Through ............................................... 17

6.18 Broadcast Storm Filtering Control ............. 17

6.19 Loop Detection........................................... 18

6.20 Head-Of-Line Blocking.............................. 18

6.21 24LC02 Interface........................................ 18

6.22 24LC02 Device Operation ......................... 19

6.23 Testing........................................................ 21

6.23.1 External SRAM Test ........................... 21

6.23.2 Production Testing .............................. 21

6.23.3 Loopback............................................. 21

7. 24LC02 Serial EEPROM Format ................... 22

8. Electrical Characteristics................................. 23

8.1 Temperature Limit Ratings........................... 23

8.2 DC Characteristics........................................ 23

8.3 AC Characteristics........................................ 23

8.3.1 Reset and Clock Timing........................ 23

8.3.2 RMII Timing ......................................... 24

8.3.3 PHY Management Timing .................... 25

8.3.4 Serial EEPROM 24LC02 Timing ......... 26

9. Mechanical Information................................... 27

2002/01/23

Rev. 2.0

12 3 4 5 6 7...28

中文翻译

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