KS8995M(2003) データシートの表示（PDF） - Micrel

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KS8995M
(Rev.:2003)

Integrated 5-Port 10/100 Managed Switch

Micrel 

KS8995M

Micrel

Pin Description (by Number)

Pin Number Pin Name

Type(1)

Port

Pin Function

1

TEST1

NC

NC for normal operation. Factory test pin.

2

GNDA

Gnd

Analog ground

3

VDDAR

P

1.8V analog VDD

4

RXP1

I

1

Physical receive signal + (differential)

5

RXM1

I

1

Physical receive signal - (differential)

6

GNDA

Gnd

Analog ground

7

TXM1

O

1

Physical transmit signal - (differential)

8

TXP1

O

1

Physical transmit signal + (differential)

9

VDDAT

P

2.5V analog VDD

10

RXP2

I

2

Physical receive signal + (differential)

11

RXM2

I

2

Physical receive signal - (differential)

12

GNDA

Gnd

Analog ground

13

TXM2

O

2

Physical transmit signal - (differential)

14

TXP2

O

2

Physical transmit signal + (differential)

15

VDDAR

P

16

GNDA

Gnd

1.8V analog VDD

Analog ground

17

ISET

Set physical transmit output current. Pull-down with a 3.01kΩ 1%

resistor.

18

VDDAT

P

2.5V analog VDD

19

RXP3

I

3

Physical receive signal + (differential)

20

RXM3

I

3

Physical receive signal - (differential)

21

GNDA

Gnd

Analog ground

22

TXM3

O

3

Physical transmit signal - (differential)

23

TXP3

O

3

Physical transmit signal + (differential)

24

VDDAT

P

2.5V analog VDD

25

RXP4

I

4

Physical receive signal + (differential)

26

RXM4

I

4

Physical receive signal - (differential)

27

GNDA

Gnd

Analog ground

28

TXM4

O

4

Physical transmit signal - (differential)

29

TXP4

O

4

Physical transmit signal + (differential)

30

GNDA

Gnd

Analog ground

31

VDDAR

P

1.8V analog VDD

Note:

1. P = Power supply

I = Input

O = Output

I/O = Bi-directional

Gnd = Ground

Ipu = Input w/ internal pull-up

Ipd = Input w/ internal pull-down

Ipd/O = Input w/ internal pull-down during reset, output pin otherwise

Ipu/O = Input w/ internal pull-up during reset, output pin otherwise

PU = Strap pin pull-up

PD = Strap pin pull-down

Otri = Output tristated

NC = No Connect

December 2003

9

M9999-120403

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