DM9801
1M Home Phoneline Network Physical Layer Single Chip Transceiver
8
Preliminary
Version: DM9801-DS-P02
March 20, 2000
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#
or
ACTLED#
OD
Transmit LED:
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#
or
LNKLED#
OD
Receive LED:
Indicates the presence of receive data activity by the DM9801(Active low,
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.
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