80221 datasheet(35/91 Pages) LSI

35 / 91 page

80220/80221

4-35

MD400159/E

Table 11. MI Register 1 (Status) Structure And Bit Definition

1.15

1.14

1.13

1.12

1.11

1.10

1.9

1.8

CAP_T4

CAP_TXF

CAP_TXH

CAP_TF

CAP_TH

RRRR

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.0

CAP_SUPR ANEG_ACK

REM_FLT

CAP_ANEG

LINK

JAB

EXREG

R/LH

R/LL

R/LH

Bit

Symbol

Name

Definition

R/W

Def.

1.15

CAP_T4

100Base-T4

0 = Not Capable of 100Base-T4 Operation

Capable

1.14

CAP_TXF

100Base-TX Full

1 = Capable Of 100Base-TX Full Duplex

Duplex Capable

1.13

CAP_TXH

100Base-TX Half

1 = Capable Of 100Base-TX Half Duplex

Duplex Capable

1.12

CAP_TF

10Base-T Full

1 = Capable Of 10Base-T Full Duplex

Duplex Capable

1.11

CAP_TH

10Base-T Half

1 = Capable Of 10Base-T Half Duplex

Duplex Capable

1.10

Reserved

thru

1.7

1.6

CAP_SUPR

MI Preamble

0 = Not Capable of Accepting MI Frames with MI

Suppression

Preamble Suppressed

Capable

1.5

ANEG_ACK

AutoNegotiation

1 = AutoNegotiation Acknowledgement Process Complete

Acknowledgment

0 = Normal

1.4

REM_FLT

Remote Fault

1 = Remote Fault Detected. This bit is set when

R/LH

Detect

Either Interrupt Detect Bit 18.15 or AutoNegot-

iation Remote Fault Bit 5.13 is set.

0 = No Remote Fault

1.3

CAP_ANEG

AutoNegotiation

1 = Capable of AutoNegotiation Operation

Capable

1.2

LINK

Link Status

1 = Link Detected (Same As Bit 18.14 Inverted)

R/LL

0 = Link Not Detected

1.1

JAB

Jabber Detect

1 = Jabber Detected (Same As Bit 18.8)

R/LH

0 = Normal

1.0

EXREG

Extended

1 = Extended Registers Exist

x.15 Bit Is Shifted First

80221 Datasheet(PDF) 35 Page - LSI Computer Systems

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