IP178G datasheet(37/76 Pages) ETC2

37 / 76 page

IP178G

Data Sheet

37 / 76

December 19, 2012

IP178G-DS-R01.3

PHY

MII

R/W

Description

Default

Status Register

0~7

1.15

100Base-T4 capable

1 = 100Base-T4 capable

0 = not 100Base-T4 capable

IP178G does not support 100Base-T4. This bit is fixed to be 0.

0~7

1.14

100Base-X full duplex Capable

1 = 100Base-X full duplex capable

0 = not 100Base-X full duplex capable

0~7

1.13

100Base-X half duplex Capable

1 = 100Base-X half duplex capable

0 = not 100Base-X half duplex capable

0~7

1.12

10Base-T full duplex Capable

1 = 10Base-T full duplex capable

0 = not 10Base-T full duplex capable

0~7

1.11

10Base-T half duplex Capable

1 = 10Base-T half duplex capable

0 = not 10Base-T half duplex capable

0~7

1.10

100Base-T2 full duplex Capable

1 = 100Base-T2 full duplex capable

0 = not 100Base-T2 full duplex capable

0~7

1.9

100Base-T2 half duplex Capable

1 = 100Base-T2 half duplex capable

0 = not 100Base-T2 half duplex capable

0~7

1.8

RO Extended Status

0~7

1.7

RO Reserved

0~7

1.6

MF preamble Suppression

1 = preamble may be suppressed

0 = preamble always required

0~7

1.5

Auto-Negotiation Complete

1 = Auto-Negotiation complete

0 = Auto-Negotiation in progress

When read as logic 1, indicates that the Auto-Negotiation process

has been completed, and the contents of register 4 and 5 are valid.

When read as logic 0, indicates that the Auto-Negotiation process

has not been completed, and the contents of register 4 and 5 are

meaningless. If Auto-Negotiation is disabled (bit 0.12 set to logic 0),

then this bit will always read as logic 0.

0~7

1.4

Remote fault

1 = remote fault detected

0 = not remote fault detected

When read as logic 1, indicates that IP178G has detected a remote

fault condition. This bit is set until remote fault condition gone and

before reading the contents of the register. This bit is cleared after

IP178G reset.

0~7

1.3

Auto-Negotiation Ability

1 = Auto-Negotiation capable

0 = not Auto-Negotiation capable

When read as logic 1, indicates that IP178G has the ability to

perform Auto-Negotiation.

IP178G Datasheet(PDF) 37 Page - List of Unclassifed Manufacturers

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