IP113F datasheet(27/46 Pages) ETC2

27 / 46 page

IP113F

Preliminary Data Sheet

The basic MII registers (continued)

MII

NAME

R/W

DESCRIPTION

DEFAULT

MII status register (address 01h)

1.15

100Base-T4 capable

1 = 100Base-T4 capable

0 = not 100Base-T4 capable

IP113F does not support 100Base-T4. This bit is

fixed to be 0.

1.14

100Base-X full

duplex Capable

1 = 100Base-X full duplex capable

0 = not 100Base-X full duplex capable

The default of this bit will change depend on the

external setting of IP113F. If external pin setting

without 100Base-X full duplex support, then this bit

will change default to logic 0.

1.13

100Base-X half

duplex Capable

1 = 100Base-X half duplex capable

0 = not 100Base-X half duplex capable

The default of this bit will change depend on the

external setting of IP113F. If external pin setting

without 100Base-X half duplex support, then this bit

will change default to logic 0

1.12

10Base-T full duplex

Capable

1 = 10Base-T full duplex capable

0 = not 10Base-T full duplex capable

The default of this bit will change depend on the

external setting of IP113F. If external pin setting

without 100Base-T full duplex support, then this bit

will change default to logic 0

1.11

10Base-T half duplex

Capable

1 = 10Base-T half duplex capable

0 = not 10Base-T half duplex capable

The default of this bit will change depend on the

external setting of IP113F. If external pin setting

without 100Base-X full duplex support, then this bit

will change default to logic 0

1[10:7]

Reserved

Ignore on read

1.6

MF preamble

Suppression

1 = preamble may be suppressed

0 = preamble always required

1.5

Auto-Negotiation

Complete

1 = Auto-Negotiation complete

0 = Auto-Negotiation in progress

When

read

logic

indicates

that

the

Auto-Negotiation process has been completed, and

the contents of register 4, 5, 6 and 7 are valid. When

read as logic 0, indicates that the Auto-Negotiation

process has not been completed, and the contents

of register 4, 5, 6 and 7 are meaningless. If

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

then this bit will always read as logic 0.

Confidential.

27/46

Aug. 20, 2003

IP113F-DS-R02

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