RTL8305SC Ver la hoja de datos (PDF) - Unspecified

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RTL8305SC

SINGLE-CHIP 5-PORT 10/100MBPS SWITCH CONTROLLER WITH DUAL MII INTERFACES

Unspecified 

3. Block Diagram

IBREF

RX+-[0]

TX+-[0]

Waveform

Shaping

10Base-T or

100Base-T

PHYceiver

MAC0

Switch

Engine0

RX+-[1]

TX+-[1]

RX+-[2]

TX+-[2]

10Base-T or

100Base-T

PHYceiver

10Base-T or

100Base-T

PHYceiver

MAC1

Switch

Engine1

MAC2

Switch

Engine2

RTL8305SC

Datasheet

Lookup

Table

Packet

Buffer

RX+-[3]

TX+-[3]

10Base-T or

100Base-T

PHYceiver

MAC3

Switch

Engine3

DISBRDCTRL

ENBKPRS

RESET#

RX+-[4]

TX+-[4]

10Base-T or

100Base-T

PHYceiver

MAC4

Switch

Engine4

PHY2PRXC

PHY2PRXDV

PHY2PRXD[3:0]

PHY2PTXC

PHY2PTXEN

PHY2PTXD[3:0]

PHY2PCOL

MTXC/PRXC

MTXEN/PRXDV

MTXD[3:0]/PRXD[3:0]

MRXC/PTXC

MRXDV/PTXEN

MRXD[3:0]/PTXD[3:0]

MCOL/PCOL

P4LNKSTA#

P4DUPSTA/P4FULL

P4SPDSTA/P4SPD100

P4FLCTRL/P4ENFC

P4MODE[1:0]

DISDUALMII

PHY

Mode

MII

r MAC

Mode

MII

Mode

Select

Circuit

PHY

Mode

MII/SNI

LED

Control

Figure 1. Block Diagram

5-port 10/100Mbps Single-Chip Dual MII Switch Controller 6

Global

Function

X1

X2

CK25MOUT

SEL_MIIMAC

EN_RST_BLNK

LED_BLNK_TIME

LED_SPD[4:0]

LED_ACT[4:0]

LED_DUP[4:0]

LED_ADD[4:0]

Track ID: JATR-1076-21 Rev. 1.2

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