Photon Focus MV3-D640I-M01-144-CL, User Manual, Page: 40 / 121

5 Counter & Timer
Timer 0 ... 3 Start Resets with the reception the chosen timer start event.
Timer 0 ... 3 End Resets with the reception the chosen timer end event.
Software Signal Pulse 0 ... 7 Resets with the reception of chosen software signal pulse event
(see Section 4.7).
Line Input Resets when the specified counter trigger activation condition is met on the chosen
line.
Line input source has additionally a activation configuration, which needs to be set
accordingly. Following configuration values are available:
Rising Edge
Resets with the rising edge on the selected line input.
Falling Edge Resets with the falling edge on the selected line input
Both Edges Resets with any edge on the selected line input
Activation configuration has only effect when line input is selected as a counter
reset source, otherwise this configuration is ignored.
5.2 Timer
T i m e r
S
o
u
r
c
e
.
.
.
T i m e r
T r i g g e r
T i m e r A c t i v e
T i m e r S t a r t
T i m e r E n d
T
i m e r V a l u e
T i m e r S t a t u s
T i m e r D e l a y
T i m e r S t a r t V a l u e
T i m e r D u r a t i o n
T i m e r R e s e t ( )
A c t i v a t i o n
R i s i n g E d g e
F a l l i n g E d g e
B o t h E d g e s
Figure 5.2: Timer Structure
Four general purpose timers are available in the camera (Timer0 ... Timer3). A timer can be
used to generate a timed pulse - for instances a strobe signal - or to generate an event after a
predetermined duration. Each timer can be configured individually by software and controlled
by timer trigger events. This section describes the configuration and the function of the timers.
Fig. 5.2 shows the structure of one timer. It contains a timer trigger source and activation
block. Furthermore it has three output signals: A timer active status signal, which is routed to
the I/O control block (see Chapter 6) and timer start and end event signals, which can be used
to trigger other blocks, like counter, timer, acquisition, frame or exposure control (see Section
5.2.3).
5.2.1 Timer Usage
Timer delay and timer duration value needs to be configured accordingly. When a timer trigger
source is selected the timer is waiting for a trigger signal. Once this trigger signal has been
received, the timer starts first with the timer delay period, if the timer delay value is > 0, and
counts then for the specified timer duration.
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