參數(shù)資料
型號(hào)： CXD2434TQ
廠商： Sony Corporation
英文描述： Timing Generator for Progressive Scan CCD Image Sensor
中文描述： 時(shí)序發(fā)生器傳感器逐行掃描CCD圖像
文件頁(yè)數(shù)： 9/27頁(yè)
文件大小： 1013K
代理商： CXD2434TQ
—9—
CXD2434TQ
2.Electronic shutter
<Shutter modes>
The electronic shutter has the following four shutter modes.
Electronic shutter off:
High-speed electronic shutter: Exposure time is shorter than 1/30 s.
Low-speed electronic shutter:
Exposure time is longer than 1/30 s.
Flickerless:
Exposure time is 1/50 s. This is a special feature of the high-speed
electronic shutter, and reduces flicker from fluorescent lights, etc. in areas
with 50 Hz power supply
Exposure time is 1/30 s.
<Shutter mode and speed setting methods>
PS = Low: Serial input; set by the STRB, DCLK and DATA pins. The SMD1 and SMD2 pins are not used.
PS = High: Parallel input; set by the STRB, DCLK, DATA, SMD1 and SMD2 pins.
2-1. [Serial input]
Serial input is set by the STRB, DCLK and DATA pins. The electronic shutter mode and the meanings of the
numbers indicated by D0 to 9 vary according to the SMD1 and SMD2 setting of the internal register.
STRB
DCLK
DATA
SMD2 SMD1
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
SMD1
H
L
H
SMD2
H
H
L
Mode
Electronic shutter off (1/30 s accumulation)
High-speed electronic shutter
Low-speed electronic shutter
D0 to 9
—
Number of exposed lines (Note 1)
Number of exposed frames (Note 2)
Note 1)
Relationship between the number of exposed lines and the exposure time
The relationship between the number of exposed lines and the exposure time is as follows.
(Exposure time) = (Number of exposed lines) x (One horizontal scan period) + (Accumulation time for
the readout lines)
In this formula, one horizontal scan period equals the HD falling interval, and the accumulation time for
the readout lines is the time from the rising edge of XSUB to the rising edge of XSG (456 bits). Also,
(Number of exposed lines) should be set to greater than 1 but less than 524.
Note 2)
The number of exposed frames should be set to greater than 1 but less than 1023. However, when
the number of exposed frames is 1 and SMDE is set to high, external trigger mode does not function.
Timing Chart (Serial input)
DATA
DCLK
STRB
t
WD
t
SDS
t
WS
t
SDD
t
HDD
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CXD2436Q 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for LCD Panels
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