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VSC8221 датащи(PDF) 84 Page - Microsemi Corporation

номер детали VSC8221
подробное описание детали  Single Port 10/100/1000BASE-T PHY with1.25 Gbps SerDes for SFPs/GBICs
PDF  138 Pages
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производитель  MICROSEMI [Microsemi Corporation]
домашняя страница  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC8221 датащи(HTML) 84 Page - Microsemi Corporation

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VSC8221
Data Sheet
VMDS-10106 Revision 4.1
December 2006
84 of 106
106
23.2.21 Register 20 (14h) – Reserved
20.15:0 – Reserved
23.2.22 Register 21 (15h) – Reserved
21.15:0 – Reserved
23.2.23 Register 22 (16h) – Control & Status Register
Register 20 (14h) – Reserved
Bit
Name
Access
States
Reset Value
Sticky
15:0
Reserved
RO
00000000 00000000
Register 21 (15h) – Reserved
Bit
Name
Access
States
Reset Value
Sticky
15:0
Reserved
RO
00000000 00000000
Register 22 (16h) – Control & Status Register
Bit
Name
Access States
Reset
Value
Sticky
15
Disable Link integrity State Machine R/W
1 = Disable link integrity test
0 = Enable link integrity test
0
S
14
Disable jabber Detect
R/W
1 = Disable jabber detect
0 = Enable jabber detect
0
S
13
Reserved
RO
0
12
SQE Disable Mode
R/W
1=Disable SQE Transmit
0=Enable SQQ Transmit
CMODE S
11:10 10BASE-T Squelch Control
R/W
00 = Normal squelch
01 = Low squelch
10 = High squelch
11 = Reserved
00
S
9
Sticky Reset Enable
R/W
1 = All bits marked as sticky will retain their
values during software reset
0 = All bits marked as sticky will be changed to
default values during software reset
1
SS
8
EOF Error
RO SC
1 = EOF error detected since last read
0 = EOF error not detected since last read
0
7
10BASE-T Disconnect State
RO SC
1 = 10BASE-T link disconnected
0 = 10BASE-T link connected
0
6
10BASE-T Link Status
RO
1 = 10BASE-T link active
0 = 10BASE-T link inactive
0
5:0
Reserved
RO
000000



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