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. 

5.6 Clock Interface

Pin No.

101

102

116

5.7 Network Interface

Pin No.

80,81

84,85

88,89

92,93

95

96

97

98

5.8 Miscellaneous Pins

Pin No.

53

76

77

78

5.9 Power Pins

Pin No.

4,18,32,40,48,62,75,100

24,57,120

11,21,27,35,45,

54,69,103,125

86,94,99

79,87

82,83,90,91

DM9013

3-port switch with Processor Interface

Pin Name

X1

X2

SCLK

I/O

Description

I Crystal 25MHz In

O Crystal 25MHz Out

I External system clock source

Pin Name

TX1+/-

RX1+/-

TX0+/-

RX0+/-

BGRES

BGGND

VCNTL

VREF

I/O

Description

I/O Port 1 TP TX

I/O Port 1 TP RX

I/O Port 0 TP TX

I/O Port 0 TP RX

I/O Band gap Pin

P Band gap Ground

I/O 1.8V Voltage control

O Voltage Reference

Pin Name

PWRST#

TEST1

TEST2

TEST3

I/O

Description

I Power on Reset.

I,PD Tie to ground in application

I,PD 0: 3-port mode

All ports are active in this mode.

1: 2-port mode

Only 2 ports are active in this mode. Port 1 or port 2

can be disabled by strap TXEN2. In this mode, the

disabled port’s memory resource is shared by

processor port and the other 2 ports.

I,PD Tie to ground in application

Pin Name

VCC3

VCCI

GND

AVDD3

AVDDI

AGND

I/O

Description

P Digital 3.3V

P Internal 1.8V core power

P Digital GND

P Analog 3.3V power

P Analog 1.8V power

P Analog GND

16

Preliminary datasheet

DM9013-15-DS-P03

April 9, 2009

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