APX-3302 User's Manual (OM110000019A)
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6.3
Camera exposure control signal CC
APX-3302 can output camera exposure control signal CC (Camera Control).
One of the external generation systems which operates as a factor can choose external signal inputs, such
as exposure time, an internal generation system which sets up and operates an exposure cycle by software,
or external triggering, an encoder.
As for an internal generation system and an external generation system, the setting-out unit of exposure
time / exposure cycle is 1uS. The timing of an internal generation system is shown below.
CC Output
Exposure
Cycle
Figure6-8: Internal generation CC
The timing of an external generation system is shown below.
CC Output
Exposure
Cycle depends on external input
External Factor
（
External Signal Input, Board Internal Synchronization Signal
）
Figure6-9: External generation CC
The delay time from an external signal input to CC output start should follow the following tables as a rule of
thumb.
External input IF type
Delay time to CC output start
TTL input
1uS(Max)
RS422 input
1uS(Max)
Table6-1: Delay time of external signal input
This table is a value having no noise rejection time setting (with no digital filter setting out). If you enable the
noise rejection function, the delay for settling time is added.
Summary of Contents for APX-3302
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