KS8001LI Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

KS8001LI

1.8V, 3.3V 10/100BASETX/FX Physical Layer Transceiver

Micrel 

KS8001

Pin Number

28

29

30

31

32

33

34

35

Pin Name

LED2/

DUPLEX

LED3/

NWAYEN

PD#

VDDRX

RX-

RX+

FXSD/

FXEN

GND

Type (Note 1)

Ipu/O

Ipu/O

Ipu

Pwr

I

I

Ipd/O

Gnd

Micrel

Pin Function

LED mode = 10

100Mbps Link Pin State

LED Definition

No Link

H

Off

Link

L

On

Programmable LED Output 2

Configuration Mode: Latched as DUPLEX (register 0h, bit 8) during power up

/ reset. See “Strapping Options” Section for details. Active Low. The LED2

pin is also programmable via register 1eh.

LED mode = 00

Duplex

Pin State

LED Definition

Half

H

Off

Full

L

On

LED mode = 01

Full Duplex/Col Pin State

LED Definition

Half

H

Off

Full

L

On

Collision

-

Toggle

LED mode = 10

Duplex

Pin State

LED Definition

Half

H

Off

Full

L

On

Programmable LED Output 3

Configuration Mode: Latched as ANEG_EN (register 0h, bit 12) during power

up / reset. See “Strapping Options” Section for details. Active Low. The

LED3 pin is also programmable via register 1eh.

LED mode = 00

Collision

Pin State

LED Definition

No Collision

H

Off

Collision

L

On

LED mode = 01

Activity

Pin State

LED Definition

Activity

-

Toggle

LED mode = 10

Activity

Pin State

LED Definition

Activity

-

Toggle

Power Down.

1=Normal operation, 0=Power down, Active low

Analog 1.8 V power supply

Receive Input

Differential receive input pins for FX, 100BASE-TX or 10BASE-T

Receive Input

Differential receive input pin for FX, 100BASE-TX or 10BASE-T

Fiber Mode Enable / Signal Detect in Fiber Mode

If FXEN=0, FX mode is disable. The default is “0”.

See “100BT FX Mode” section for more details.

Ground

May 2005 – SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

MICREL CONFIDENTIAL. DO NOT DISTRIBUTE.

8

KS8001

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