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VCC-5CL1M
Rev.
905-0003-02
©2015 CIS Corporation. All rights reserved.
26
10.
Vertical Partial Scan Mode
□
One partial area can be set by serial commands.
□
Total line count per frame
=
V blanking lines
(fixed to 25H)
+
Partial effective lines
Note that partial effective line counts have to be between “2” and “2048”.
□
Frame rate = 1 / (Total line count per frame x Time for 1 line)
□
Time for 1 line of each mode
Horizontal Pixel,
Camera Mode
2Tap Mode
4Tap Mode
8Tap Mode
10Tap Mode
2560
Pixel
16.125µs 8.125µs 4.125µs 3.4375µs
2048 Pixel
13µs
6.5µs
3.25µs
2.75µs
1920 Pixel
12.125µs
6.125µs
3.0833µs
2.583µs
Setting Examples
in case of Horizontal 2560 pixels
Vertical
Effective
Lines
Entire
frame lines
Frame Rate (Entire frame lines) fps
H
H
2Tap Mode
4Tap Mode
8Tap Mode
10Tap
Mode
2 (Min.)
2
27
2296.9 fps
4558.4 fps
8978.7 fps
10774.4 fps
VGA equivalent
480
505
122.8 fps
243.7 fps
480.0 fps
576.1 fps
XGA equivalent
768
793
78.2 fps
155.2 fps
305.7 fps
366.8 fps
SXGA equivalent
1024
1049
59.1 fps
117.3 fps
231.1 fps
277.3 fps
UXGA equivalent
1200
1225
50.6 fps
100.5 fps
197.9 fps
237.5 fps
2048 (Max)
2048
2073
29.9 fps
59.4 fps
116.9 fps
140.3 fps
Setting Examples
in case of Horizontal 2048/1920 pixels
Horizontal x
Vertical
Effective
Lines
Entire
frame lines
Frame Rate (Entire frame lines) fps
H
H
2Tap Mode
4Tap Mode
8Tap Mode
10Tap
Mode
2048 x 2048
2048
2073
37.1 fps
74.2 fps
148.4 fps
175.4 fps
2048 x 1088
1088
1113
69.1 fps
138.2 fps
276.5 fps
326.7 fps
1920 x 1080
1080
1105
74.6 fps
147.8 fps
293.5 fps
350.4 fps
1920 x 480
480
505
163.3 fps
323.3 fps
642.5 fps
766.6 fps
□
The line count and the start position at partial scan setting can be set in increment of 2 lines.
□
At vertical partial scan setting, the gain(AGC) and the shutter(AE) set to OFF beforehand.
□
At vertical partial scan setting, the binarization and the shading correction set to OFF beforehand.
□
At vertical partial scan setting, the effective line count becomes maximum for the manual shutter
setting
value.
□
At vertical partial scan setting, the coordinates of a cursor are set to (0, 0).
□
There are 2 methods for partial scan setting; one is to use only address 50 and the other is to
use addresses 51 and 52. Same operation can be performed whichever used.
However, note that the above setting is reflected when 1 is written in address 54.
□
Write 0 in address 54 when the partial scan turns OFF.