參數(shù)資料
型號: HV7131D-COF
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 模擬信號調(diào)理
英文描述: CMOS IMAGE SENSOR With 8-bit ADC
中文描述: SPECIALTY ANALOG CIRCUIT, DSS24
封裝: COF-24
文件頁數(shù): 38/61頁
文件大小: 2621K
代理商: HV7131D-COF
HV7131GP
2004/10/29 V2.4 38
Auto White Balance
Cb/Cr frame mean value is calculated every frame and according to Cb/Cr frame mean values’
displacement from Cb/Cr white target point, R/B scaling values for R/B data are resolved.
AW B U nlock B oundary [76h]
C b/C r Target [73h-74h]
AW B Lock B oundary [75h]
AW B W hite P ixel B oundary [77h
AW B Lock B oundary [75h]
AW B U nlock B oundary [76h]
AW B W hite P ixel B oundary [77h
80h
C b/C r F ram e M ean
F Fh
0h
AWB Mode Control 1 [AWBM : 70h : 41h]
7
6
5
4
3
2
1
0
reserved
Full
Window
Window Mode
AWB speed
reserved
AWB On
0
1
0
0
0
0
0
1
Full Window
With this bit set to high, window mode is discarded and full image data is
accounted for AE Y frame mean evaluation
11
1/8 center weighted window mode. Weighting ratio is 8:1 for
inside area vs. outside area
10
1/8 center only window mode.
01
1/4 center weighted window mode. Weighting ratio is 4:1 for
inside area vs. outside area
Window Mode
00
1/4 center only window mode.
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