RTL8308B

REALTEK SINGLE CHIP 8-PORT 10/100 ETHERNET SWITCH CONTROLLER WITH EMBEDDED MEMORY RTL8308B 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 ....................................