VV6501 데이터 시트보기 (PDF) - STMicroelectronics
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VV6501 Datasheet PDF : 60 Pages
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VV6501
Functional Description
Line Duration
Table 4 shows the image duration and interline intervals with default setup.
Table 4: Line timing
Sensor Clock
24MHz
Pixel Clock
12MHz
Image
Interline
QCKs µs QCKs µs
644 53.6 118 9.8
Line Total
QCKs
µs
762
63.5
Extending line lengths
The user can extend the line length by writing to serial registers 82 and 83. The line length padding
is inserted after the EAV sequence, ensuring that the distance between the SAV and EAV
sequences remains constant.
3.1.7 Frame format
Each video frame is composed of a sequence of data lines as illustrated in Figure 11.
Figure 11: VGA frame format
319
0
Start Of Frame Line
1
2
18 Black Lines
18
19
6 Dark Lines
24
25
26
484 Visible Lines
506
507
508
509
End Of Frame Line
510
14 Black Lines
523
0
Start Of Frame Line
Extending the inter-frame period
The user may choose to extend the inter-frame period by increasing the frame length by writing to
serial registers 97 and 98. In this event, the appropriate number of additional blank lines is inserted
between the End Of Frame (EOF) line and the Start Of Frame (SOF) line. This means that the
distance between SOF and EOF remains constant.
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