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GS2985 Datasheet(PDF) 38 Page - Semtech Corporation

Part # GS2985
Description  Multi-Rate SDI Reclocker with Equalization & De-emphasis
PDF  45 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

GS2985 Datasheet(HTML) 38 Page - Semtech Corporation

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GS2985 Multi-Rate SDI Reclocker with Equalization &
De-emphasis
Data Sheet
36663 - 5
July 2012
38 of 45
Proprietary & Confidential
TOP_1
0x02
15:9
RW
Reserved.
8:7
RW
LOS Threshold Adjust
0x0
0x0 to
0x3
0x0 = least
sensitive
0x3 = most
sensitive
6:5
RW
LOS Detection Method Select
0x0
0x0 to
0x2
0x0 = legacy edge
detectionmethod
0x1 = new signal
strength
detectionmethod
0x2 = dual
detection
method: both
must detect a
signal present for
LOS to be LOW
4
RW
LOS Mute Enable
0x0
0 or 1
When enabled
the output will
automatically
mute if Loss of
Signal is HIGH
3
RW
Power Down
0x0
0 or 1
Chip powers
down when
asserted
2
RW
Tri-State Enable for SPI Output
0x0
0 or 1
When enabled
the SPI SDO will
be high Z when
CS is not selected
1
RW
Crystal Buffer Disable
0x0
0 or 1
0 = Enabled
1 = Disabled
0
RW
Data Polarity Invert
0x0
0 or 1
0 = Not Inverted
1 = Inverted
0X03 to 0X0B
Reserved.
Table 4-12: Host Register Map (Continued)
Register
Name
Register
Address
Bit
Position
Access
Function
Default
Value
Valid
Range
Comments



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