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STV0974 Datasheet(PDF) 28 Page - STMicroelectronics

Part # STV0974
Description  Mobile Imaging DSP
PDF  69 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV0974 Datasheet(HTML) 28 Page - STMicroelectronics

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STV0974
Functional description
4.6
Video output interface
4.6.1
Video synchronization
The STV0974 supports two modes of data stream synchronization. Either the data stream can be
synchronized by separate HSYNC and VSYNC signal (see
Section 4.6.3) or by Synchronization
codes in the data stream (see
Section 4.6.2).
4.6.2
Synchronization codes
Horizontal synchronization The horizontal synchronization signal can be embedded within the
data.
Figure 13 represents the synchronization codes generated in a line.
Vertical synchronization
Note:
The horizontal synchronization is not sent during vertical blanking.
Figure 13: Embedded code horizontal timing
Figure 14: Embedded codes in vertical timing
F
F
0
0
0
0
X
Y
8
0
1
0
8
0
1
0
8
0
1
0
8
0
1
0
F
F
0
0
0
0
X
Y
F
F
0
0
0
0
X
Y
SAV Code
EAV Code
LINE BLANKING
4
4
START OF DIGITAL LINE
START OF DIGITAL ACTIVE LINE
NEXT LINE
4-data
packet
D
0
D
1
D
2
D
3
D
0
D
1
D
2
D
3
D
2
D
3
EAV Code
8
0
EAV Code
1
0
8
0
1
0
F
F
0
0
0
0
X
Y
1
0
1
0
8
0
8
0
1
0
1
0
8
0
8
0
1
0
1
0
8
0
F
F
0
0
0
0
X
Y
SAV Code
8
0
1
0
1
0
8
0
8
0
1
0
1
0
8
0
8
0
START OF DIGITAL FRAME
END OF DIGITAL FRAME
FRAME BLANKING



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