BM-141GE / BB-141GE
19
6.4.2 GPIO Plus PWC shutter
Example: 10µs unit pulse width exposure control (PWC).
Pixel clock is 58MHz. 580 clocks (680-100) equal 10µs.
Feature
Value
c)Acquisition
and
Trigger controls
Trigger selector Trigger Mode
ON
JAI Acquisition and
Trigger Control
JAI
Exposure
Mode
Pulse width control
Pulse Generators
Pulse Generator
selector
Pulse Generator 0 Selector
Line 5 =OPT IN 1
Clock Choice
1 = Pixel Clock (30MHz)
Counter Dividing Value
0 = Pass through
Length Counter 0
1000 Clocks
Start point Counter 0
100 Clocks
Repeat Count 0
1
End point Counter 0
580 Clocks
Counter Clear 0
Rising Edge
Trigger source
pulse generator 0
Fig.13 Pulse Generator Timing Example 1
LUT
( Cross Point Switch )
Pulse Generator 1
(19 bit Counter )
Pulse Generator 0
(19 bit Counter )
12 bit
Counter
TRIGGER 0
TRIGGER 1
TTL OUT 1
TTL OUT 2
OPT OUT 1
OPT OUT 2
Time Stamp Reset
Sequence Reset
LVAL IN
DVAL IN
FVAL IN
EEN IN
OPT IN 1
OPT IN 2
TTL IN 1
LVDS IN 1
Soft Trigger 0
Soft Trigger 1
Soft Trigger 2
Soft Trigger 3
IN
OUT
Pulse Generator 0
Pulse Generator 1
Pulse Generator 0
Pulse Generator 1
Digital I/O(GPIO) setting
0
1
2
3
4
5
6
7
12
13
14
15
16
17
Digital I/O(GPIO) setting
0
1
4
5
6
7
16
17
12
13
Setting for
Line Source
Setting for
Line Selector
Pixel Clock
Counter Clock Source
1
Counter Divide by value
1/2 to 1/4096
Bypass
0
1 - 4095
Pulse Generator Setting 0
Start Point Counter 0 ( 1)
Length counter 0
Start Point Counter 0 (2) for repeat
End point counter 0
Counter 0 clear
Pulse Generator Setting 1
⇒
⇒
⇒
⇒
⇒
1000 clocks
100 clocks
680 clocks
4 Rising Edge
1
①
②
③
OPT IN
PULSE Generator 0
OUT
100
680
1000