Hitachi HV-F31F 用户手册
44
(2)
External trigger operating mode: Mode 1
When external trigger signal is high
active, after the trigger signal rise, the
flash signal start/end can be set to
determine the flash time.
active, after the trigger signal rise, the
flash signal start/end can be set to
determine the flash time.
At the flash signal falling edge, the
internal VD signal is reset and the video
data are transmitted.
internal VD signal is reset and the video
data are transmitted.
1 Frame = 66.7ms 15FPS
External Trigger
(High active)
(High active)
A
Internal VD
minimum period = 1V
Internal Video
A
B
C
D
Buffer Memory Write
Delay: 1250us
A
VD : 3H = 186us
A
1Frame = 133.3ms
7.5FPS
DATA transfer
(YUV 16bit)
(YUV 16bit)
The highest transmission
speed: 136ms
Exposure
Internal VD
Internal Video
Buffer Memory Write
DATA transfer
Internal HD
1H(cam)=
62us
3H(cam) = 186us
A
A
Delay: 1250us
DATA transfer START: 3.0ms
External Trigger
6 to 7H(cam) = 373 to 435us
Exposure
21us
Frame reset
Trigger pulse width > 65us
4.0us
20H(cam) = 1243us
blank : 26 to 27H = 1678us