CXD1257AR 查看數據表（PDF） - Sony Semiconductor
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CXD1257AR Datasheet PDF : 18 Pages
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CXD1257AR
3. Electronic Shutter
The operation of the electronic shutter is controlled by the output of XSUB pulse during particular intervals.
<Shutter Modes>
SMD1 SMD2
L
L
Flickerless: Eliminates fluorescent frequency-induced flicker.
L
H
High-speed shutter: Shutter speed faster than 1/60 (NTSC), 1/50 (PAL)
H
L
Low-speed shutter: Shutter speed slower than 1/60 (NTSC), 1/50 (PAL)
H
H
No shutter operation.
<Shutter Mode and Speed Setting Method>
PS = High: Parallel input; set by ED0 to ED2, SMD1, and SMD2.
PS = Low: Serial input; set by inputting ED0 (strobe), ED1 (clock), and ED2 (data) to each pin.
3-1. Parallel input (PS = H)
Shutter Speed Compatibility Chart
Mode
OFF
Flickerless
High-speed
shutter
Low-speed
shutter
NTSC/PAL SMD1 SMD2 ED0 ED1 ED2
Shutter speed
X
H
H
X
X
X Shutter off
NTSC
L
L
X
X
X 1/100 (s)
PAL
L
L
X
X
X 1/120 (s)
NTSC
L
H
H
H
H 1/60 (s)
PAL
L
H
H
H
H 1/50 (s)
X
L
H
L
H
H 1/125 (s)
X
L
H
H
L
H 1/250 (s)
X
L
H
L
L
H 1/500 (s)
X
L
H
H
H
L 1/1000 (s)
X
L
H
L
H
L 1/2000 (s)
X
L
H
H
L
L 1/4000 (s)
X
L
H
L
L
L 1/10000 (s)
X
H
L
H
H
H 2FLD
X
H
L
L
H
H 4FLD
X
H
L
H
L
H 6FLD
X
H
L
L
L
H 8FLD
X
H
L
H
H
L 10FLD
X
H
L
L
H
L 12FLD
X
H
L
H
L
L 14FLD
X
H
L
L
L
L 16FLD
–7–
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