參數(shù)資料
型號(hào)： VV6300
英文描述： Integrated CMOS Colour Image Sensor with on-chip ADC.
中文描述： 集成CMOS彩色圖像傳感器芯片的ADC。
文件頁(yè)數(shù)： 7/50頁(yè)
文件大?。?/td> 499K
代理商： VV6300
CMOS Sensor; Customer Datasheet, Rev 3.0, 25 September 2000
VV5301 & VV6301
7/50
cd5301_6301f-3-0.fm
Commercial in confidence
3.
Operating Modes
3.1
The video format mode on power-up is QSIF 30fps by default, although a 25fps mode can also be selected, see serial
register[17], bit 6. The number of active video lines in each mode is the same (124) for both the QSIF modes. The slower frame
rate (25 fps) is implemented by simply extending the line period from 203 pixel periods to 301 pixel periods.
Video Timing
Table 2 details the setup for each of the video timing modes.
3.2
The physical pixel array is 168 x 124 pixels. The pixel size is 12.0
μ
m by 12.0
μ
m. The output video image size is 164 x 124
pixels. The border pixels from the array are used as a shield from edge effects.
Pixel Array
Figure 3 shows how the 164 x 124 is aligned within the bigger 168 x 124 pixel array. Image read-out is flexible. By default the
sensor read out is configured to be horizontally ‘non-shuffled’ non-interlaced raster scan. The horizontally ‘shuffled’ raster scan
order differs from a conventional raster in that the pixels of individual rows are re-ordered, with the even pixels within a row read-
out first, followed by the odd pixels. This ‘shuffled’ read-out within a line, groups pixels of the same colour (according to the Bayer
pattern - Figure 1) together, reducing cross talk between the colour channels. The horizontal shuffle option would normally only
be selected with the colour sensor variant, VV6301.
Video
Mode
Clock
(MHz)
System Clock Divisor
Video Data
Line Length
Field
Length
Output
Mode
QSIF (30fps)
14.318
1
164 x 124
203
147
4-wire
QSIF (25fps)
17.73
1
164 x 124
301
147
4-wire
Table 2 : Video Timing Modes
Figure 1 : Bayer Colourisation Pattern (VV6301 only)
Green 1
Blue
Green 2
Red
Odd Rows
(0,2,4,6,...)
Even Rows
(1,3,5,7,...)
Odd
Columns
(0,2,4,6,...)
Even
Columns
(1,3,5,7,...)
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