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Controlling image capture
MARLIN Technical Manual
V2.4.0
124
Microcontroller-Sync is an internal signal. It is generated by the microcon-
troller to initiate a trigger. This can either be a direct trigger or a release for
ExSync if the camera is externally triggered.
End of exposure to first packet on the bus
After the exposure, the CCD or CMOS sensor is read out; some data is written
into the FRAME_BUFFER before being transmitted to the bus.
The time from the end of exposure to the start of transport on the bus is:
500 µs ± 62.5 µs
This time 'jitters with the cycle time of the bus (125 µs).
Figure 67: Data flow and timing after end of exposure
OneShot Command
μ
C-> ExSync
Integration-Start
Timebase Reg.
X
Shutter-Reg.
Offset
Processing Delay
< 250
µs
<= 8
µs
T
imebas
e x
Sh
ut
te
r
+ Offs
et
= Ex
pos
ure Tim
e
First Packet on Bus
<= 500
µs
+/-62.5 µs
Exposu
re
Marlin F-033:
12 µs
Marlin F-046
:
12
µs
Marlin F-080:
30 µs
Marlin F-080-30fps: 17 µs
Marlin F-145:
26
µs
Marlin F-146:
26 µs
Marlin F-201:
39 µs
Marlin F-131:
< 1 µs
Содержание AVT Marlin
Страница 43: ...Camera dimensions MARLIN Technical Manual V2 4 0 43 Tripod adapter Figure 17 Tripod dimensions...
Страница 63: ...Camera interfaces MARLIN Technical Manual V2 4 0 63 Figure 30 Y8 and Y16 format Source IIDC V1 3...
Страница 64: ...Camera interfaces MARLIN Technical Manual V2 4 0 64 Figure 31 Data structure Source IIDC V1 3...
Страница 87: ...Description of the data path MARLIN Technical Manual V2 4 0 87 Figure 44 Generation of shading image...