KSZ8051MNLI Просмотр технического описания (PDF) - Micrel

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производитель

KSZ8051MNLI

10Base-T/100Base-TX Physical Layer Transceiver

Micrel 

Micrel, Inc.

Pin Number Pin Name

NAND_Tree#

KSZ8051MNL/RNL

Type(1)

Pin Function

Config Mode:

The pull-up/pull-down value is latched as NAND Tree# at the

de-assertion of reset. See “Strapping Options” section for details.

22

TXC

I/O

MII Mode:

MII Transmit Clock Output

MII Back-to-Back Mode: MII Transmit Clock Input

23

TXEN

I

MII Mode:

MII Transmit Enable Input

24

TXD0

I

MII Mode:

MII Transmit Data Input[0](3)

25

TXD1

I

MII Mode:

MII Transmit Data Input[1](3)

26

TXD2

I

MII Mode:

MII Transmit Data Input[2](3)

27

TXD3

I

MII Mode:

MII Transmit Data Input[3](3)

28

COL /

Ipd/O MII Mode:

MII Collision Detect Output /

CONFIG0

Config Mode: The pull-up/pull-down value is latched as CONFIG0 at the

de-assertion of reset. See “Strapping Options” section for details.

29

CRS /

Ipd/O MII Mode:

MII Carrier Sense Output /

CONFIG1

Config Mode: The pull-up/pull-down value is latched as CONFIG1 at the

de-assertion of reset. See “Strapping Options” section for details.

30

LED0 /

Ipu/O LED Output: Programmable LED0 Output /

NWAYEN

Config Mode: Latched as Auto-Negotiation Enable (register 0h, bit 12) at the

de-assertion of reset. See “Strapping Options” section for details.

The LED0 pin is programmable via register 1Fh bits [5:4], and is defined as follows.

LED mode = [00]

Link/Activity

Pin State

No Link

High

Link

Low

Activity

Toggle

LED Definition

OFF

ON

Blinking

LED mode = [01]

Link

Pin State

No Link

High

Link

Low

LED Definition

OFF

ON

LED mode = [10], [11]

Reserved

31

LED1 /

Ipu/O LED Output: Programmable LED1 Output /

SPEED

Config Mode: Latched as SPEED (register 0h, bit 13) at the de-assertion of

reset.

See “Strapping Options” section for details.

The LED1 pin is programmable via register 1Fh bits [5:4], and is defined as follows.

LED mode = [00]

Speed

Pin State

LED Definition

10Base-T

High

OFF

100Base-TX

Low

ON

LED mode = [01]

Activity

Pin State

No Activity

High

LED Definition

OFF

July 2010

11

M9999-070910-1.0

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