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GS3471 Datasheet(PDF) 170 Page - Semtech Corporation

Part # GS3471
Description  3G, HD, SD SDI Receiver, with Integrated Adaptive Cable Equalizer
PDF  179 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

GS3471 Datasheet(HTML) 170 Page - Semtech Corporation

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GS3471
Final Data Sheet Rev.4
PDS-060498
September 2017
170 of 179
Semtech
www.semtech.com
5
OUT_CONF_REG_1
RSVD
15:3
RW
0
Reserved. Do not change.
MANUAL_OUTPUT_
DISABLE
2:2
RW
0
When set to 1, powers down the output
buffer.
AUTO_OUTPUT_
MUTE
1:1
RW
0
Enable automatic muting of the output
buffer (equivalent to setting MUTE = 1)
when LOS is asserted (set to 1).
MUTE
0:0
RW
0
When set to 1, latches the two halves of the
output buffer at opposing levels.
One will be set to the level of CORE_VDD
and the other will be set to CORE_VDD –
swing amplitude (swing level set in the
OUTPUT_SWING bits of OUT_CONF_REG_0).
6
STATUS_REG_0
CABLE_LENGTH_
INDICATOR
15:8
RO
0
An 8 bit number representing cable length
in increments of 2.5m
00h = 0m (minimum value)
EFh = ~600m (maximum value)
RSVD
7:4
RO
—
Reserved. Do not change.
DETECTED_
INPUT_RATE
3:1
RO
1
Detected input data rate.
000b = Reserved
001b = Reserved
010b = 270Mb/s
011b = 1.485Gb/s
100b = 2.97Gb/s
Note: All other states are invalid.
SP
0:0
RO
0
Signal Presence (SP) Indication.
Set to 1 when a qualified signal is present at
the input to the device.
Set to 0 when such signal is not detected.
7
EQ_LOS_FILTER_
CONF_REG_0
EQ_LOS_FILTER_
SET_DELAY
15:8
RW
2
Equalizer Loss of Signal (EQ LOS) assertion
delay, in increments of approximately
25.9μs to a maximum of approximately
6.6ms.
00h = 0ms
FFh = 6.6ms
EQ_LOS_FILTER_
CLEAR_DELAY
7:0
RW
1
Loss of Signal de-assertion delay, in
increments of approximately 6.6ms to a
maximum of approximately 1.7s.
00h = 0s
FFh = 1.7s
8
LOS_FILTER_
CONF_REG_1
RSVD
15:1
RW
0
Reserved. Do not change.
LOS_FILTER_
DISABLE
0:0
RW
0
Disables Loss of Signal (LOS) Filter.
Table 5-13: Equalizer Register Descriptions
Addressh
Register Name
Parameter Name
Bit
R/W
Reseth
Description



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