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DM9801E

1M Home Phoneline Network Physical Layer Single Chip Transceiver

Davicom Semiconductor, Inc. 

DM9801

1M Home Phoneline Network Physical Layer Single Chip Transceiver

Pin Description (Continued)

Pin No. Pin Name I/O

Description

LED Interface :

These outputs can directly drive LEDs or provide status information to a network management device.

13

TXLED# OD Transmit LED:

or

ACTLED#

Indicates the DM9801 is transmitting data (Active low, Open drain). Config0

= 0 and Config1 = 0

Activity LED:

Indicates the DM9801 is either transmitting or receiving data (Active low,

Open drain).

12

RXLED# OD Receive LED:

or

Indicates the presence of receive data activity by the DM9801(Active low,

LNKLED#

Open drain). Config0 = 0 and Config1 = 0

Link LED:

Indicates Good Link status and that the Link Integrity Timer has not expired

(Active low, Open drain).

11

COLLED# OD Collision LED:

Indicates the presence of collision activity on the 1M network (Active low,

Open drain).

Home Phoneline Network Media Interface:

36

HNPA

ALG Home Network Interface, Positive, Primary:

This is the positive interface connection of the primary 1M network

interface.

37

HNNA

ALG Home Network Interface, Negative, Primary:

This is the negative interface connection of the primary 1M network

interface.

40

HNPB

ALG Home Network Interface, Positive, Secondary:

This is the positive interface connection of the secondary 1M network

interface.

41

HNNB

ALG Home Network Interface, Negative, Secondary:

This is the negative interface connection of the secondary 1M network

interface.

8

Preliminary

Version: DM9801-DS-P02

March 20, 2000

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