KS8993 Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

KS8993

3-Port 10/100 Integrated Switch with PHY and Frame Buffer

Micrel 

KS8993

Pin Number

116

117

118

119

120

121

122

123

124

125

126

127

128

Pin Name Type(Note 1)

P1_PP

I

P1_TAGINS

I

P2_TAGINS

I

P3_TAGINS

I

P3_TAGRM

I

P2_TAGRM

I

P1_TAGRM

I

VDD_RCV[1]

Pwr

GND_RCV[1]

GND

X2

O

X1

I

FXSD[1]

I

AOUT

O

Note 1.

Pwr = power supply

GND = ground

I = input

O = output

I/O = bi-directional

Port

1

1

2

3

3

2

1

1

1

1

Pin Function

Port 1 receive port based priority classification

Port 1 tag insertion enable

Port 2 tag insertion enable

Port 3 tag insertion enable

Port 3 tag removal enable

Port 2 tag removal enable

Port 1 tag removal enable

2.5V for clock recovery circuitry

Ground for clock recovery circuitry

Connect to crystal input

Crystal or clock input

Fiber signal detect

Factory test output

I/O Grouping

Group Name

Description

PHY

Physical Interface

MII

Media Independant Interface

SNI

Serial Network Interface

IND

LED Indicators

UP

Unmanaged Programmable

CTRL

Control and Miscellaneous

TEST

Test (Factory)

PWR

Power and Ground

Micrel

May 2005

9

KS8993

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