參數(shù)資料
型號(hào): LM9627CCEA
廠商: National Semiconductor Corporation
英文描述: BZ Series Standard Basic Switch, Single Pole Double Throw Circuitry, 15 A at 125 Vac, Overtravel Plunger Actuator, 2,5 N - 3,61 N [9 oz - 13 oz] Operating Force, Silver Contacts, Screw Termination, CE, CSA, DEMKO,
中文描述: 彩色CMOS圖像傳感器顯卡30醫(yī)科
文件頁(yè)數(shù): 12/37頁(yè)
文件大小: 370K
代理商: LM9627CCEA
Confidential
12
www.national.com
Functional Description
(continued)
4.0
SUBSAMPLING MODES
4.1
The timing and control circuit can be programmed to sub-sam-
ple pixels in the display window vertically, horizontally or both,
with an aspect ratio of 2:1 as illustrated in Figure16.
2:1 Sub-Sampling
0
1
2
3
4
5
6
7
8
9
Column/Horizontal
a b c d e f g h i
j k l
l n o p q r
a b c d e f g h i j k l m n o p
0
1
2
3
4
5
6
7
8
9
b) Vertical Sub-Sampling
R
Column/Horizontal
q r
a
b c d e f g h i
j k l m n o p q r
0
1
2
3
4
5
6
7
8
Column/Horizontal
R
9
a) Horizontal Sub-Sampling
c) Horizontal & Vertical Sub-Sampling
Green Pixel
Red Pixel
Blue Pixel
R
Not Read Out
Figure 16: Example of 2:1 Sub-sampling
4.2
The timing and control circuit can be programmed to sub-sam-
ple pixels in the display window vertically, horizontally or both,
with an aspect ratio of 4:2 as illustrated in Figure17
4:2 Sub-Sampling
Green Pixel
Not Read Out
a b c d e f g h i
j k l m n o p q r
0
1
2
3
4
5
6
7
8
9
Column/Horizontal
R
a
b
c d e f g h i
j k l m n o p q r
0
1
2
3
4
5
6
7
8
9
Column/Horizontal
R
Red Pixel
Blue Pixel
c) Horizontal & Vertical Sub-sampling
b) Vertical Sub-sampling
Column/Horizontal
a) Horizontal Sub-sampling
a b c d e f g h i
j k l m n o p q r
0
1
2
3
4
5
6
7
8
9
R
Figure 17: Example 4:2 Sub-sampling
L
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