CHEETAH Hardware User’s Manual
Imperx, Inc.
Rev. 6.2
6421 Congress Ave.
7/7/2015
Boca Raton, FL 33487
+1 (561) 989-0006
64 of 152
2
7625
47
13.3
4
3810
23
27
8
1910
12
56
10
1875
12
70
Table 2.7
– Dependency of Line time and frame rate on Output Taps.
2.13
PULSE GENERATOR
The camera has a built-in pulse generator. The user can program the camera to generate a
discrete sequence of pulses or a continuous trail – Figure 2.14. The pulse generator can be
used as a trigger signal, or can be mapped to one of the outputs – refer to “I/O Control”
section for more information. The discrete number of pulse can be set from 1 to 65535 with
a step of 1. The user has options to set:
-
Granularity
– Indicates the number of clock cycles that are used for each increment of
the width and the period. Four possible options are available (x1, x10, x100 and x 1000).
-
Period –
Indicates the amount of time (also determined by the granularity) between
consecutive pulses. Minimum value is 1, maximum is 16777215
-
Width –
Specifies the amount of time (determined by the granularity) that the pulse
remains at a high level before falling to a low level. Minimum value is 1, maximum is
65535000
Period
Width
Figure 2.14 – Internal pulse generator
2.14
I/O CONTROL
2.14.1 Input / Output Mapping
The camera has 2 external inputs (1 TTL input and 1 opto-coupled input) and 2
external outputs wired to the 12 pin HIROSE connector, located on the back of the
camera. In addition to these inputs and outputs, Camera Link inputs (CC1 and CC2)
are also available. The user can map CC1 and CC2 or either external input to the
Trigger input. The user can map the camera outputs to: Trigger, Pulse Generator,
Strobe One, or Strobe Two. For each mapped signal active “High”, active “Low”,
