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參數(shù)資料
| 型號(hào)： | LR38269 |
| 廠商： | Sharp Corporation |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | Digital Signal Processor for Color CCD Cameras |
| 中文描述： | 數(shù)字信號(hào)處理器的彩色CCD相機(jī) |
| 文件頁(yè)數(shù)： | 17/20頁(yè) |
| 文件大小： | 93K |
| 代理商： | LR38269 |
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LR38269
17
Color Level Suppression Under Lower
Illuminance
Working AGC gain can control both R – Y level
and B – Y level by the following equation.
R – Y level =
address 31h x {16 – (working AGC gain – address
5Ah) x address 5Bh ÷ 16} ÷ 16
B – Y level =
address 30h x {16 – (working AGC gain – address
5Ah) x address 5Bh ÷ 16} ÷ 16
{16 – (working AGC gain – address 5Ah) x
address 5Bh ÷ 16} ≤ 16
When (working AGC gain – address 5Ah) ≤ 0, ( ) = 0.
Aperture Level Suppression Under
Illuminance
Working AGC gain can control both the horizontal
aperture level and the vertical aperture level by the
following equation.
Horizontal aperture level =
address 68h x {16 – (working AGC gain – address
63h) x address 64h ÷ 16} ÷ 16
Vertical aperture level =
address 6Ah x {16 – (working AGC gain – address
63h) x address 64h ÷ 16} ÷ 16
{16 – (working AGC gain – address 63h) x
address 64h ÷ 16} ≤ 16
When (working AGC gain – address 63h) ≤ 0, ( ) = 0.
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