DM9013 Ver la hoja de datos (PDF) - Davicom Semiconductor, Inc.

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DM9013

10/100 Mbps 3-port Ethernet Switch Controller with General Processor Interface

Davicom Semiconductor, Inc. 

68

70

71,72,73,74

RXC2

RXDV2

RXD2_3~0

DM9013

3-port switch with Processor Interface

I Port 2 MII Receive Clock

I Port 2 MII Receive Data Valid

I Port 2 MII Receive Data

4-bit nibble data input (synchronous to RXC2)

5.3.2 RMII Interfaces

Pin No.

55

56

58,59

60,61

63

64

65

66

67

68

70

71,72

73,74

Pin Name

MDC

MDIO

TXD2_3~2

TXD2_1~0

TXE2

TXC2

CRS2

COL2

RXER2

RXC2

RXDV2

RXD2_3~2

RXD2_1~0

I/O

O,PD

I/O

O,PD

O,PD

O,PD

O

I

I

I

I

I

I

I

Description

MII Serial Management Data Clock

MII Serial Management Data

Reserved

RMII Transmit Data

RMII Transmit Enable.

Reserved

RMII CRS_DV

Reserved, tie to ground in application.

Reserved, tie to ground in application.

50MHz reference clock.

Reserved, tie to ground in application.

Reserved, tie to ground in application.

RMII Receive Data.

5.3.3 Reverse MII Interfaces

Pin No.

Pin Name

55

56

58,59,60,61

MDC

MDIO

TXD2_3~0

63

TXE2

64

TXC2

65

CRS2

66

COL2

67

68

70

71,72,73,74

RXER2

RXC2

RXDV2

RXD2_3~0

I/O

O,PD

I/O

O,PD

O,PD

O

O

O

I

I

I

I

Description

Reserved

Reserved

Port 2 MII Transmit Data

4-bit nibble data outputs (synchronous to the TXC2)

Port 2 MII Transmit Enable

25MHz clock output

Port 2 carrier sense output when TXE2 or RXDV2

asserted.

Port 2 collision output when TXE2 and RXDV2

asserted.

Port 2 MII Receive Error

Port 2 MII Receive Clock

Port 2 MII Receive Data Valid

Port 2 MII Receive Data

4-bit nibble data input (synchronous to RXC2)

14

Preliminary datasheet

DM9013-15-DS-P03

April 9, 2009

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