RTL8308B Ver la hoja de datos (PDF) - Realtek Semiconductor

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RTL8308B

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

Realtek Semiconductor 

3. Block Diagram

8 Ports

RTL8308B

RMII

10/100

MAC

RMII

10/100

MAC

PHY

Management

I/F

EEPROM LED

I/F

I/F

RXFIFO TXFIFO

TX Start Addr.

Queue

RX/TX F.P.P.

FIFOs

Flow control

FIFOs,

QUEUE,

Flow

Control,

RX/TX

F.P.P.

FIFO

EDORAM

I/F

DMA

Engine

Switching

Logic

Packet

Buffer

Space

Page

Pointer

Space

128-entry Address CAM

Address-Lookup

Engine

8K-entry

Address

Table

F.P.P

FIFO

Buffer

Manager

2002/01/23

4

Rev. 2.0

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