RTL8305S データシートの表示（PDF） - Realtek Semiconductor

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RTL8305S

5-PORT 10/100 MBPS SINGLE CHIP SWITCH CONTROLLER

Realtek Semiconductor 

3. Block Diagram

IBREF

RXIP/N[0]

TXOP/N[0]

RXIP/N[1]

TXOP/N[1]

RXIP/N[2]

TXOP/N[2]

RXIP/N[3]

TXOP/N[3]

RXIP/N[4]

TXOP/N[4]

TXC/RXC

TXEN/RXDV

TXD/RXD

RXC/TXC

RXDV/TXEN

RXD/TXD

COL

P4MODE[1:0]

Waveform

Shaping

10BASE-T/

100BASE-TX

PHYceiver

Switch

MAC0 Engine

0

10BASE-T/

100BASE-TX

PHYceiver

Switch

MAC1 Engine

1

10BASE-T/

100BASE-TX

PHYceiver

Switch

MAC2 Engine

2

10BASE-T/

100BASE-TX

PHYceiver

Switch

MAC3 Engine

3

10BASE-T/

100BASE-TX

PHYceiver

Switch

MAC4 Engine

4

MII

MAC

Out- mode

put

MII

PHY

mode

Revers

circuit

RTL8305S

Global functions

1K-entry

Look-up

Table

ENBRDCTRL

ENFCTRL

ENBKPRS

RESET#

NWAYHALF#

X1

X2

CK25MOUT

Packet Buffer

Space

RAMFAIL#

16K x 64 bits memory

Page Pointer

Space

Buffer Manager

LED

controller

P4LNKSTA#

P4DUPSTA#

P4SPDSTA#

P4FLCTRL#

SEL_MIIMAC#

ENP4LED

DIS_RST_BLNK#

LED_BLNK_TIME

LED_ACT[4:0]

LED_DUP[4:0]

LED_SPD[4:0]

2002/02/19

3

Rev. 1.2

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