Sony ICX274AQ Camera Accessories User Manual


 
15
ICX274AQ
Note) Blacked out portions in the diagram indicate pixels which are not read out.
After reading out the pixels indicated by and transferring two lines, the pixels indicated by
are read out and two pixels of the same color are added by the vertical transfer block.
4. 2-line addition mode
In this mode, the signals for only two out of four lines (3rd and 4th lines, 7th and 8th lines, and so on) are
read out, the vertical register is shifted by 2 bits, and then the signals of the remaining two out of the four
lines (1st and 2nd lines, 5th and 6th lines, and so on) are read out and added within the vertical register. All
effective area signals are output in approximately 1/20s.
5. Center scan mode (1)
In this mode, the signals for only two out of four lines (3rd and 4th lines, 7th and 8th lines, and so on) are
read out. The undesired portions are swept by vertical register high-speed transfer, and the vertical
1136-pixel region in the center of the picture is output by the above readout method. The number of
output lines is 568 lines at 36MHz, and 434 lines at 28.6364MHz. The frame rate is increased
(approximately 30 frames/s) by setting the number of output lines to that of VGA mode, making this
mode suitable for VGA moving pictures. (However, the angle of view decreases.)
6. Center scan mode (2)
In this mode, the signals for only two out of four lines (3rd and 4th lines, 7th and 8th lines, and so on) are
read out, the vertical register is shifted by 2 bits, and then the signals of the remaining two out of the four
lines (1st and 2nd lines, 5th and 6th lines, and so on) are read out and added within the vertical register.
The undesired portions are swept by vertical register high-speed transfer, and the vertical 1136-pixel region
in the center of the picture is output by the above readout method. The number of output lines is 568 lines
at 36MHz, and 434 lines at 28.6364MHz. The frame rate is increased (approximately 30 frames/s) by
setting the number of output lines to that of VGA mode, making this mode suitable for VGA moving pictures.
(However, the angle of view decreases.)
Center scan mode (2)2-line addition mode Center scan mode (1)
16 (V2C/V3C)
15 (V2C/V3C)
14 (V2A/V3A)
13 (V2B/V3B)
12 (V2C/V3C)
11 (V2C/V3C)
10 (V2B/V3B)
9 (V2A/V3A)
8 (V2C/V3C)
7 (V2C/V3C)
6 (V2A/V3A)
5 (V2B/V3B)
4 (V2C/V3C)
3 (V2C/V3C)
2 (V2B/V3B)
1 (V2A/V3A)
V
OUT
G
R
G
R
G
R
G
R
G
R
G
R
G
R
R
G
B
G
B
G
B
G
B
G
B
G
B
G
B
G
G
B
16 (V2C/V3C)
15 (V2C/V3C)
14 (V2A/V3A)
13 (V2B/V3B)
12 (V2C/V3C)
11 (V2C/V3C)
10 (V2B/V3B)
9 (V2A/V3A)
8 (V2C/V3C)
7 (V2C/V3C)
6 (V2A/V3A)
5 (V2B/V3B)
4 (V2C/V3C)
3 (V2C/V3C)
2 (V2B/V3B)
1 (V2A/V3A)
V
OUT
G
R
G
R
G
R
G
R
G
R
G
R
G
R
R
G
B
G
B
G
B
G
B
G
B
G
B
G
B
G
G
B
16 (V2C/V3C)
15 (V2C/V3C)
14 (V2A/V3A)
13 (V2B/V3B)
12 (V2C/V3C)
11 (V2C/V3C)
10 (V2B/V3B)
9 (V2A/V3A)
8 (V2C/V3C)
7 (V2C/V3C)
6 (V2A/V3A)
5 (V2B/V3B)
4 (V2C/V3C)
3 (V2C/V3C)
2 (V2B/V3B)
1 (V2A/V3A)
V
OUT
G
R
G
R
G
R
G
R
G
R
G
R
G
R
R
G
B
G
B
G
B
G
B
G
B
G
B
G
B
G
G
B