KS8995XA Ver la hoja de datos (PDF) - Micrel

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componentes Descripción

Fabricante

KS8995XA

Integrated 5-Port 10/100 QoS Switch

Micrel 

KS8995XA

Micrel, Inc.

Pin Number Pin Name

Type(1)

Port

Pin Function(2)

82

SMRXD1

Ipd/O

Switch MII receive bit 1. Strap option: PD (default) = Switch MII in

100Mbps mode; PU = Switch MII in 10Mbps mode.

81

SMRXD2

Ipd/O

Switch MII receive bit 2. Strap option: PD (default) = Switch MII in full-

duplex mode; PU = Switch MII in half-duplex mode.

80

SMRXD3

Ipd/O

Switch MII receive bit 3. Strap option: PD (default) = Disable Switch MII

full-duplex flow control; PU = Enable Switch MII full-duplex flow control.

79

SMRXDV

Ipd/O

Switch MII receive data valid.

75

SMTXC

I/O

Switch MII transmit clock. PHY or MAC mode MII.

73

SMTXD0

Ipd

Switch MII transmit bit 0.

72

SMTXD1

Ipd

Switch MII transmit bit 1.

71

SMTXD2

Ipd

Switch MII transmit bit 2.

70

SMTXD3

Ipd

Switch MII transmit bit 3.

69

SMTXEN

Ipd

Switch MII transmit enable.

74

SMTXER

Ipd

Switch MII transmit error.

1

MDIXDIS

I

1-5

Disable auto MDI/MDI-X.

128

TEST2

Factory test pin.

118

TESTEN

Ipd

Factory test pin.

7

TXP1

O

1

Physical transmit signal + (differential).

13

TXP2

O

2

Physical transmit signal + (differential).

22

TXP3

O

3

Physical transmit signal + (differential).

28

TXP4

O

4

Physical transmit signal + (differential).

35

TXP5

O

5

Physical transmit signal + (differential).

8

TXM1

O

1

Physical transmit signal – (differential).

14

TXM2

O

2

Physical transmit signal – (differential).

23

TXM3

O

3

Physical transmit signal – (differential).

29

TXM4

O

4

Physical transmit signal – (differential).

36

TXM5

O

5

Physical transmit signal – (differential).

123

VDDAP

P

3

VDDAR

P

15

VDDAR

P

31

VDDAR

P

41

VDDAR

P

43

VDDAR

P

125

VDDAR

P

1.8V analog VDD for PLL.

1.8V analog VDD.

1.8V analog VDD.

1.8V analog VDD.

1.8V analog VDD.

1.8V analog VDD.

1.8V analog VDD.

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.

2. PU = Strap pin pull-up.

PD = Strap pull-down.

M9999-051305

16

May 2005

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