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參數(shù)資料
| 型號： | LR38630 |
| 廠商： | Sharp Corporation |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | Digital Signal Processor for CIF CMOS Image Cameras |
| 中文描述： | 數(shù)字信號處理器的到岸價格CMOS圖像相機(jī) |
| 文件頁數(shù)： | 9/20頁 |
| 文件大?。?/td> | 78K |
| 代理商： | LR38630 |
LR38630
9
ADDRESS
0Ch
NAME
BITS
2
(7)
(6)
FUNCTION
Option of maximum electronic shutter speed in automatic.
Electronic exposure control.
00 : 1/9 900 s
01 : 1/4 950 s
10 : 1/1 980 s
11 : 1/1 100 s
Option of electronic shutter speed and AGC speed change.
00 : Shutter speed is changed by 10-19 pitches.
01 : Shutter speed is changed by 8-10 pitches.
1X : Shutter speed is changed by 1 pitch (the finest)
SH_MAX
2
(3)
(2)
2
(1)
(0)
1
8
EE_RATIO
Window option of automatic electronic exposure control.
00 : Center weighted 1
10 : No window
Option of time constant in electronic exposure control.
00 : Longer time constant 01 : Long time constant
1X : No time constant
MSB of fixed electronic shutter speed.
Lower bits of fixed electronic shutter speed.
Data between 000 and 149 can be set by address 0Dh and 0Eh.
01 : Center weighted 2
11 : Lower-position weighted
EE_SPD
2
(5)
(4)
EE_LPF
SH_HOLD2
0Dh
0Eh
0Fh
10h
11h
Preset gain in making AGC OFF (EE_HOLD = 1X at address 03h).
Fixed optical black level (OFSET_AUTO =1 at address 03h).
Time constant option of automatic optical black level control.
00 : Longer time constant
01 : Long time constant
1X : No time constant
Option of automatic white balance control.
0 : Not accelerated 1 : Accelerated
AGC_HOLD
OFSET_HOLD
8
8
2
SH_HOLD1
OFSET_LPF
(4)
(3)
2
(1)
(0)
SEL_LPF
Time constant option of automatic white balance control.
00 : Longer time constant
01 : Long time constant
1X : No time constant
The first target area of automatic white balance control in minus direction of high-
speed mode.
In the case that white balance control data is within (data of address 12h + data of
address 13h), high-speed mode control is completed and then changed to normal-
speed control mode.
1
(2)
WBFIX1
KGBGR1
8
12h
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