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VSC8658 Datasheet(PDF) 39 Page - Microsemi Corporation

Part # VSC8658
Description  Octal 10/100/1000BASE-T PHY and 100BASEFX/1000BASE-X SerDes
PDF  95 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC8658 Datasheet(HTML) 39 Page - Microsemi Corporation

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Configuration
VMDS-10242 VSC8658 Datasheet Revision 4.1
31
5.2.5
Link Partner Auto-Negotiation Capability
The bits in main register 5 enable you to determine if the Cat5 link partner (LP) used with the VSC8658
device is compatible with the auto-negotiation functionality.
5.2.6
Auto-Negotiation Expansion
The bits in main register 6 work together with those in register 5 to indicate the status of the LP auto-
negotiation functioning. The following table shows the available settings and readouts.
Table 16 •
Auto-Negotiation Link Partner Ability, Address 5 (0x05)
Bit
Name
Access
Description
Default
15
LP next page
transmission request
RO
1 = Requested
0
14
LP acknowledge
RO
1 = Acknowledge
0
13
LP remote fault
RO
1 = Remote fault
0
12
Reserved
RO
0
11
LP advertise
asymmetric pause
RO
1 = Capable of asymmetric pause
0
10
LP advertise
symmetric pause
RO
1 = Capable of symmetric pause
0
9
LP advertise
100BASE-T4
RO
1 = Capable of 100BASE-T4
0
8
LP advertise
100BASE-TX FDX
RO
1 = Capable of 100BASE-TX FDX
0
7
LP advertise
100BASE-TX HDX
RO
1 = Capable of 100BASE-TX HDX
0
6
LP advertise
10BASE-T FDX
RO
1 = Capable of 10BASE-T FDX
0
5
LP advertise
10BASE-T HDX
RO
1 = Capable of 10BASE-T HDX
0
4:0
LP advertise selector RO
00000
Table 17 •
Auto-Negotiation Expansion, Address 6 (0x06)
Bit
Name
Access
Description
Default
15:5
Reserved
RO
00000000000
4
Parallel detection
fault
RO
This bit latches high.
1 = Parallel detection fault.
0
3
LP next page capable RO
1 = LP is next page capable.
0
2
Local PHY next page
capable
RO
1 = Local PHY is next page capable.
1
1
Page received
RO
This bit latches low.
1 = New page is received.
0
0
LP is auto-negotiation
capable
RO
1 = LP is capable of auto-negotiation.
0



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