KSZ8895MLU(2011) データシートの表示（PDF） - Micrel

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KSZ8895MLU
(Rev.:2011)

Integrated 5-Port 10/100 Managed Switch

Micrel 

Micrel, Inc.

Pin Description

Pin Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

Pin Name

MDI-XDIS

GNDA

VDDAR

RXP1

RXM1

GNDA

TXP1

TXM1

VDDAT

RXP2

RXM2

GNDA

TXP2

TXM2

VDDAR

GNDA

ISET

VDDAT

RXP3

RXM3

GNDA

TXP3

TXM3

VDDAT

RXP4

Type(1)

Ipd

GND

P

I

I

GND

O

O

P

I

I

GND

O

O

P

GND

P

I

I

GND

O

O

P

I

Port

15

1

1

1

1

2

2

2

2

3

3

3

3

4

Pin Function(2)

Disable auto MDI/MDI-X.

PD (default) = normal operation.

PU = disable auto MDI/MDI-X on all ports.

Analog ground.

1.2V analog VDD.

Physical receive signal + (differential).

Physical receive signal – (differential).

Analog ground.

Physical transmit signal + (differential).

Physical transmit signal – (differential).

3.3V analog VDD.

Physical receive signal + (differential).

Physical receive signal – (differential).

Analog ground.

Physical transmit signal + (differential).

Physical transmit signal – (differential).

1.2V analog VDD.

Analog ground.

Set physical transmit output current. Pull-down with a

12.4kΩ1% resistor.

3.3V analog VDD.

Physical receive signal + (differential).

Physical receive signal - (differential).

Analog ground.

Physical transmit signal + (differential).

Physical transmit signal – (differential).

3.3V analog VDD.

Physical receive signal + (differential).

Notes:

1. P = Power supply.

I = Input.

O = Output.

I/O = Bidirectional.

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.

NC = No connect.

2. PU = Strap pin pull-up.

PD = Strap pull-down.

OTRI = Output tristated.

KSZ8895MLU

October 2011

9

M9999-100311-1.1

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