參數資料
型號: VV5430
廠商: Electronic Theatre Controls, Inc.
英文描述: Integrated CMOS Image Sensor with support for ADC and external control via serial interface
中文描述: 集成CMOS ADC和與外部控制支持通過串行接口圖像傳感器
文件頁數: 16/32頁
文件大?。?/td> 288K
代理商: VV5430
16
cd27033c.fm
VISION
V V 5430 Sensor
Peimnry
:
Since each of the horizontal ‘halves’ of the frame is only 142 lines (CCIR) or 120 lines (EIA), there
is a ‘black band’ of three lines separating the top half from the bottom half. Similarly, for timing
purposes, there is a two pixel vertical black band separating the left and right halves of the frame.
(See the timing diagram below.)
Multiplexing four cameras
Using the quarter mode of operation, it is possible, therefore, to combine the outputs of four sepa-
rate VV5430 cameras (with appropriate control logic) and display four half resolution images on
one monitor:
Note:
One VV5430 camera would normally be used as ‘master’, and provide the Sync-plus-Q1 out-
put for the monitor or other video device. A synch. signal, at frame frequency, is required via
SIN (pin 17) to keep the four cameras in step. This signal can be derived from the master cam-
era FST output (with ‘SNO Enable’ set via Setup Code_3 bit 6), or be generated externally.
OE[2]
OE[1]
OE[0]
Regions where AVO is enabled
0
0
0
All (Normal operation)
0
0
1
None (AVO permanently tristate)
0
1
0
Sync only
0
1
1
Sync plus Q1 image
1
0
0
Q1
1
0
1
Q2
1
1
0
Q3
1
1
1
Q4
AVO Enable selection
Synchronisation
A
C
D
D
AVO
D
D
C
C
AVO
C
C
B
B
B
B
A
A
A
A
B
D
SIN
SIN
SIN
Monitor Display
Composite Video
Q1 Image + Sync.
SIN
FST
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