80220 Datasheet, PDF (35/91 Pages) LSI Computer Systems – 100BASE-TX/10BASE-T Ethernet Media Interface Adapter

80220/80221
Table 11. MI Register 1 (Status) Structure And Bit Definition
1.15
1.14
1.13
1.12
1.11
1.10
1.9
CAP_T4 CAP_TXF CAP_TXH CAP_TF CAP_TH
0
0
R
R
R
R
R
R
R
1.7
1.6
1.5
1.4
1.3
1.2
0
CAP_SUPR ANEG_ACK REM_FLT CAP_ANEG LINK
R
R
R
R/LH
R
R/LL
1.1
JAB
R/LH
1.8
0
R
1.0
EXREG
R
Bit Symbol
Name
Definition
R/W Def.
1.15 CAP_T4
100Base-T4
Capable
0 = Not Capable of 100Base-T4 Operation
R0
1.14 CAP_TXF
100Base-TX Full 1 = Capable Of 100Base-TX Full Duplex
Duplex Capable
R1
1.13 CAP_TXH 100Base-TX Half 1 = Capable Of 100Base-TX Half Duplex
Duplex Capable
R1
1.12 CAP_TF
10Base-T Full
1 = Capable Of 10Base-T Full Duplex
Duplex Capable
R1
1.11 CAP_TH
10Base-T Half
1 = Capable Of 10Base-T Half Duplex
Duplex Capable
R1
1.10
Reserved
thru
1.7
R0
1.6 CAP_SUPR MI Preamble
Suppression
Capable
0 = Not Capable of Accepting MI Frames with MI
Preamble Suppressed
R0
1.5 ANEG_ACK AutoNegotiation 1 = AutoNegotiation Acknowledgement Process Complete R 0
Acknowledgment 0 = Normal
1.4 REM_FLT Remote Fault
Detect
1 = Remote Fault Detected. This bit is set when
Either Interrupt Detect Bit 18.15 or AutoNegot-
iation Remote Fault Bit 5.13 is set.
0 = No Remote Fault
R/LH 0
1.3 CAP_ANEG AutoNegotiation 1 = Capable of AutoNegotiation Operation
Capable
R1
1.2 LINK
Link Status
1 = Link Detected (Same As Bit 18.14 Inverted)
0 = Link Not Detected
R/LL 0
1.1 JAB
Jabber Detect
1 = Jabber Detected (Same As Bit 18.8)
0 = Normal
R/LH 0
1.0 EXREG
Extended
1 = Extended Registers Exist
Register Capable
R1
x.15 Bit Is Shifted First
43-355
MD400159/E