Timing Chart - Sony XC-HR90 Technical Manual
Ccd black-and-white video camera module
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Also See for XC-HR90:
- Technical manual (41 pages) ,
- Manual (4 pages) ,
- Operating instructions (2 pages)
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Timing Chart
When set to Mode 1 (Non-reset mode)
Setting the shutter speed using trigger pulse width
◆ HD/VD input
• Continuous VD input
External trigger shutter operation
1
Trigger*
1
Shutter speed (Te)
1
External HD*
1
External VD*
(Continuous
VD)
T: T=under 10 µ s
EXT-VD
Video out
1
WEN
990 H (Binning OFF)
495 H (Binning ON)
TRG
EXT-VD
EXT-VD
*1 This is an external input signal. Make sure to input
both HD and VD signals.
*2 Shutter speed (Te)
Te = Trigger pulse width + 5 µ sec
(The effective trigger pulse width for the external
trigger shutter operation is between 2 µ s and 1/4 s.)
*3 Normal operation is resumed when the trigger
pulse width is 1/3 s or more. The trigger falling
edge restores external trigger shutter operation. At
this time, the 50 ms after the falling edge of the
trigger pulse is an external trigger input inhibition
area. There is no guarantee of operation for any
trigger input in this period.
2
Shutter speed
*
2
*
2
(Te)
T: T=under 10 µ s
*
4
*
4
2
µ
32
s
µ
10
s
3
Normal operation*
Trigger pulse width*
3
*4 If there is a falling edge on the external VD within
a period of +10 µ s from the falling trigger edge (1
and 2 in the figure), it is not defined whether the
image is output for the external VD falling edge or
the image is output for the next external VD falling
edge. (1 in the figure shows that the image is
output for the next external VD. 2 shows the
image for the external VD.) In this case, see WEN
since output of the image and WEN make up a
pair. In any other case, the image is output for the
external VD falling edge after the trigger falling
edge (3 in the figure).
Note
An image is not output correctly when the next trigger is
input before the image for the previous trigger has been
output.
Mode Settings
Mode transition state
External input
External trigger
inhibition area
shutter operation
(50 ms)
3
Shutter speed (Te)
µ
10
s or more
3
*
2
24
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