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80221 Datasheet(PDF) 42 Page - LSI Computer Systems

Part # 80221
Description  100BASE-TX/10BASE-T Ethernet Media Interface Adapter
PDF  91 Pages
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Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

80221 Datasheet(HTML) 42 Page - LSI Computer Systems

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80220/80221
MD400159/E
42
Table 18. MI Register 18 (Status Output) Structure And Bit Definition
18.15
18.14
18.13
18.12
18.11
18.10
18.9
18.8
INT
LNK_FAIL
LOSS_SYNC
CWRD
SSD
ESD
RPOL
JAB
R
R/LT
R/LT
R/LT
R/LT
R/LT
R/LT
R/LT
18.7
18.6
18.5
18.4
18.3
18.2
18.1
18.0
SPD_DET
DPLX_DET
0
0
0
0
0
0
R/LT
R/LT
R
R
R
R
R
R
Bit
Symbol
Name
Definition
R/W
Def.
18.15
INT
Interrupt Detect
1 = Interrupt Bit(s) Have Changed Since Last
R
0
Read Operation.
0 = No Change
18.14
LNK_FAIL
Link Fail Detect
1 = Link Not Detected
R/LT
0
0 = Normal
18.13
LOSS_SYNC
Descrambler
1 = Descrambler Has Lost Synchronization
R/LT
0
Loss of
0 = Normal
Synchronization
Detect
18.12
CWRD
Codeword Error
1 = Invalid 4B5B Code Detected On Receive Data
R/LT
0
0 = Normal
18.11
SSD
Start Of Stream
1 = No Start Of Stream Delimiter Detected on
R/LT
0
Error
Receive Data
0 = Normal
18.10
ESD
End Of Stream
1 = No End Of Stream Delimiter Detected on
R/LT
0
Error
Receive Data
0 = Normal
18.9
RPOL
Reverse Polarity
1 = Reverse Polarity Detected
R/LT
0
Detect
0 = Normal
18.8
JAB
Jabber Detect
1 = Jabber Detected
R/LT
0
0 = Normal
18.7
SPD_DET
100/10 Speed
1 = Device in 100 Mbps Mode (100Base-TX)
R/LT
1
Detect
0 = Device in 10 Mbps Mode (10Base-T)
18.6
DPLX_DET
Duplex Detect
1 = Device In Full Duplex
R/LT
0
0 = Device In Half Duplex
18.5
Reserved for Factory Use
R
0
18.4
0
18.3
0
18.2
0
18.1
0
18.0
0
x.15 Bit Is Shifted First



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