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VSC8658 Datasheet(PDF) 38 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) 38 Page - Microsemi Corporation

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Configuration
VMDS-10242 VSC8658 Datasheet Revision 4.1
30
5.2.3
Device Identification
All 16 bits in both register 2 and register 3 in the VSC8658 device are used to provide information
associated with aspects of the device identification. The following tables list the readouts you can expect.
5.2.4
Auto-Negotiation Advertisement
The bits in address 4 in the main registers space control the VSC8658 device ability to notify other
devices of the status of its auto-negotiation feature. The following table shows the available settings and
readouts.
Table 13 •
Identifier 1, Address 2 (0x02)
Bit
Name
Access
Description
Default
15:0
Organizationally unique
identifier (OUI)
RO
OUI most significant bits (3:18)
0x0007
Table 14 •
Identifier 2, Address 3 (0x03)
Bit
Name
Access
Description
Default
15:10
OUI
RO
OUI least significant bits (19:24)
0x0001
9:4
Microsemi model
number
RO
VSC8658
110101
3:0
Device revision number RO
0000
Table 15 •
Device Auto-Negotiation Advertisement, Address 4 (0x04)
Bit
Name
Access
Description
Default
15
Next page transmission
request
R/W
1 = Request enabled
0
14
Reserved
RO
0
13
Transmit remote fault
R/W
1 = Enabled
0
12
Reserved technologies
R/W
0
11
Advertise asymmetric
pause
R/W
1 = Advertises asymmetric pause
CMODE
10
Advertise symmetric
pause
R/W
1 = Advertises symmetric pause
CMODE
9
Advertise
100BASE-T4
R/W
1 = Advertises 100BASE-T4
0
8
Advertise
100BASE-TX FDX
R/W
1 = Advertise 100BASE-TX FDX
CMODE
7
Advertise
100BASE-TX HDX
R/W
1 = Advertises 100BASE-TX HDX
CMODE
6
Advertise
10BASE-T FDX
R/W
1 = Advertises 10BASE-T FDX
CMODE
5
Advertise
10BASE-T HDX
R/W
1 = Advertises 10BASE-T HDX
CMODE
4:0
Advertise selector
R/W
00001



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