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GS1670 Datasheet(PDF) 32 Page - Semtech Corporation

Part # GS1670
Description  HD/SD SDI Receiver Complete with SMPTE Audio and Video Processing
PDF  126 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

GS1670 Datasheet(HTML) 32 Page - Semtech Corporation

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GS1670 HD/SD SDI Receiver
Data Sheet
53831 - 2
September 2012
32 of 126
Figure 4-3: PCLK to Data and Control Signal Output Timing - SDR Mode 2
The GS1670 has a 20-bit output parallel bus, which can be configured for different
output formats as shown in Table 4-5.
I/O Timing Specs:
DBUS[9:0]
PCLK_OUT
Cb0
Cr0
Cb1
13.468ns (HD 20-bit)
74.074ns (SD 20-bit)
20%
80%
tr
20%
80%
tf
Cr1
20-bit SDR Mode:
toh
tod
DBUS[19:10]
Y0
Y1
Y2
Y3
toh
tr/tf (min) Cload
tod
tr/tf (max) Cload
toh
tr/tf (min) Cload
tod
tr/tf (max) Cload
dbus
1.000ns
0.400ns
3.700ns
1.400ns
1.000ns
0.400ns
3.700ns
1.400ns
stat
1.000ns
0.500ns
4.100ns
1.600ns
1.000ns
0.400ns
4.400ns
1.500ns
20bHD Mode
3.3V
6 pF
15 pF
1.8V
6 pF
15 pF
toh
tr/tf (min) Cload
tod
tr/tf (max) Cload
toh
tr/tf (min) Cload
tod
tr/tf (max) Cload
dbus
38.000ns 0.400ns
41.000ns 1.400ns
38.000ns 0.400ns
41.000ns 1.400ns
stat
38.000ns 0.500ns
41.000ns
1.600ns
38.000ns 0.400ns
41.000ns
1.500ns
20bSD Mode
3.3V
1.8V
6 pF
15 pF
6 pF
15 pF
Table 4-5:GS1670 Output Video Data Format Selections
Output Data
Format
Pin/Register Bit Settings
DOUT[9:0]
DOUT[19:10]
20BIT
/10BIT
RATE_
SEL
SMPTE_
BYPASS
DVB-ASI
20-bit
demultiplexed HD
format
HIGHLOW
HIGHLOW
Chroma
Luma
20-bit data output
HD format
HIGH
LOW
LOW
LOW
DATA
DATA
20-bit
demultiplexed SD
format
HIGHHIGHHIGHLOW
Chroma
Luma
20-bit data output
SD format
HIGHHIGH
LOW
LOW
DATA
DATA



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