
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
92
Datasheet
5.5
Auto-Negotiation Registers
Table 78. Auto-Negotiation Registers
Name
size
bits
Addr
Type
1
Description
Auto-Negotiate Link Partner Ability #1 (Port 1)
16
09E
R
Refer to
Table 79 on page 92
Auto-Negotiate Link Partner Ability #2 (Port 2)
16
09F
R
Auto-Negotiate Link Partner Ability #3 (Port 3)
16
0A0
R
Auto-Negotiate Link Partner Ability #4 (Port 4)
16
0A1
R
Auto-Negotiate Status #1 (Port 1)
16
0A2
R
Refer to
Table 80 on page 93
Auto-Negotiate Status #2 (Port 2)
16
0A3
R
Auto-Negotiate Status #3 (Port 3)
16
0A4
R
Auto-Negotiate Status #4 (Port 4)
16
0A5
R
Auto-Negotiate Advertisement #1 (Port 1)
16
0A6
R/W
Refer to
Table 81 on page 93
Auto-Negotiate Advertisement #2 (Port 2)
16
0A7
R/W
Auto-Negotiate Advertisement #3 (Port 3)
16
0A8
R/W
Auto-Negotiate Advertisement #4 (Port 4)
16
0A9
R/W
Auto-Negotiate Configuration
8
0AA
R/W
Refer to
Table 82 on page 94
1. R = Read only; R/W = Read/Write.
Table 79. Auto-Negotiation Link Partner Ability Registers
Bit
Name
Description
Type
1
Default
15
Next Page
1 = Link Partner has ability to send multiple pages
0 = Link Partner has no ability to send multiple pages
R
N/A
14
Acknowledge
1 = Link Partner has received Link Code Word from LXT980
0 = Link Partner has not received Link Code Word from LXT980
R
N/A
13
Remote Fault
1 = Remote fault.
0 = No remote fault.
R
N/A
12:10
Reserved
Write as 0, ignore on read
R
N/A
9
100BASE-T4
1 = Link Partner is 100BASE-T4 capable.
0 = Link Partner is not 100BASE-T4 capable.
R
N/A
8
100BASE-TX
full-duplex
1 = Link Partner is 100BASE-TX full-duplex capable.
0 = Link Partner is not 100BASE-TX full-duplex capable.
R
N/A
7
100BASE-TX
1 = Link Partner is 100BASE-TX capable.
0 = Link Partner is not 100BASE-TX capable.
R
N/A
1. R = Read only.