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參數(shù)資料
| 型號： | CXD3609R |
| 英文描述： | Timing Generator for Progressive Scan CCD Image Sensor |
| 中文描述： | 時序發(fā)生器傳感器逐行掃描CCD圖像 |
| 文件頁數(shù)： | 21/72頁 |
| 文件大?。?/td> | 901K |
| 代理商： | CXD3609R |
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CXD3609R
Shutter data: [Electronic shutter]
The CXD3609R realizes various electronic shutter functions by using shutter data D18 and D19 SMD and
shutter data D14 to D23 SVR, D24 to D35 SHR, D38 to D47 SPL and TRIG data D42 to D47 SINT.
These functions are described in detail below.
First, the various modes are shown below. These modes are switched using control data D13 and D14 SMD.
MSB
D35
X
D34
0
D33
0
D32
1
D31
1
D30
1
D29
0
D28
0
LSB
↓
1
↓
C
→
SHR is expressed
as 1C3h .
D27
0
D26
0
D25
1
D24
1
↓
3
[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.
[High-speed/low-speed shutter mode]
The electronic shutter data is expressed as shown in the table below using D24 to D35 SHR as an example.
However, MSB (D35) is a reserve bit for the future specification, and it is handled as a dummy on this IC.
Symbol
SVR
SHR
SPL
SINT
Data
Shutter: D14 to D23
Shutter: D24 to D35
Shutter: D38 to D47
TRIG:
D42 to D47
Description
Number of vertical periods specification (000h
≤
SVR
≤
3FFh)
Number of horizontal periods specification (000h
≤
SHR
≤
3FFh)
Vertical period specification for high-speed shutter operation
(000h
≤
SPL
≤
3FFh)
SUB position specification (mentioned later for details)
Note)
The bit data definition area is assured in terms of the CXD3609R functions, and does not assure the
CCD characteristics.
Description of SVR, SHR and SPL Operations
The period during which SVR and SHR 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, VR and HR periods, decoding value during the horizontal period, and other factors. Here,
SG means sensor gate, that is to say, ternary value of V2A/B/C and V3A/B/C.
(Exposure time) = SVR
×
(1V period) + {(number of HR per 1V)
–
(SHR + 1)}
×
(1H period)
+ (distance from SUB
↓
to SG
↓
during the readout period)
During this mode, the shutter data items have the following meanings.
D14
0
0
1
1
Description of operation
Electronic shutter stopped mode
High-speed/low-speed shutter mode
Readout stopped mode,
Electronic shutter stopped mode
Readout stopped mode,
High-speed shutter mode
D13
0
1
0
1
SVR
Invalid
SHR
SPL
Invalid
SINT
Readout block stop
Invalid
Valid
Valid
Invalid
Valid
Invalid
Valid
Valid
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CXD3611R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for Progressive Scan CCD Image Sensor |
| CXD3615R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for Frame Readout CCD Image Sensor |
| CXD3619R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for Frame Readout CCD Image Sensor |
| CXD3815Q | 制造商:Sony Semiconductor Solutions Division 功能描述:IC, VIDEO DECODER, QFP-208 |
| CXD4000R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Fingerprint Verification System LSI |
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