參數(shù)資料
型號： ICX412AQF
廠商： Sony Corporation
英文描述： Diagonal 8.933mm (Type 1/1.8) Frame Readout CCD Image Sensor with a Square Pixel for Color Cameras
中文描述： 對角線8.933毫米（類型1/1.8）幀CCD圖像傳感器讀出一個彩色像素相機廣場
文件頁數(shù)： 25/46頁
文件大?。?/td> 383K
代理商： ICX412AQF
–
25
–
CXD3412GA
Control data/shutter data: [Electronic shutter]
The CXD3412GA realizes various electronic shutter functions by using control data D13 SMD and D14
HTSG and shutter data D10 to D19 SVD, D20 to D31 SHD and D32 to D41 SPL.
These functions are described in detail below.
First, the various modes are shown below. These modes are switched using control data D13 SMD.
The electronic shutter data is expressed as shown in the table below using D20 to D31 SHD as an example.
However, MSB (D31) is a reserve bit for the future specification, and it is handled as a dummy on this IC.
[Electronic shutter stopped mode]
During this mode, all shutter data items are invalid.
SUB is not output in this mode, so the shutter speed is the accumulation time for one field.
[Electronic shutter mode]
During this mode, the shutter data items have the following meanings.
Note)
The bit data definition area is assured in terms of the CXD3412GA functions, and does not assure the
CCD characteristics.
The period during which SVD and SHD are specified together is the shutter speed. An image of the exposure
time calculation formula is shown below. In actual operation, the precise exposure time is calculated from the
operating frequency, VD and HD periods, decoding value during the horizontal period, and other factors.
(Exposure time) = SVD + {(number of HD per 1V)
–
(SHD + 1)}
Concretely, when specifying high-speed shutter, SVD is set to "000h". (See the figure.) During low-speed
shutter, or in other words when SVD is set to "001h" or higher, the serial interface data is not loaded until this
period is finished.
The vertical period indicated here corresponds to one field in each drive mode. In addition, the number of
horizontal periods applied to SHD can be considered as (number of SUB pulses
–
1).
MSB
D31
X
D30
0
D29
0
D28
1
D27
1
D26
1
D25
0
D24
0
LSB
↓
1
↓
C
SHD is expressed as 1C3h .
D23
0
D22
0
D21
1
D20
1
↓
3
D13
0
1
Description of operation
Electronic shutter stopped mode
Electronic shutter mode
Symbol
SVD
SHD
SPL
Data
D10 to D19
D20 to D31
D32 to D41
Description
Number of vertical periods specification (000h
≤
SVD
≤
3FFh)
Number of horizontal periods specification (000h
≤
SHD
≤
7FFh)
Vertical period specification for high-speed shutter operation (000h
≤
SPL
≤
3FFh)
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相關(guān)代理商/技術(shù)參數(shù)
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ICX415ALE 制造商:Sony Batteries 功能描述:
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