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CM-030GE/CM-030GE-RA / CB-030GE/CB-030GE-RA
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6. Input and output interface
6.1. GPIO interface
All input and output signals pass through the GPIO (General Purpose Input and Output) module.
The GPIO module consists of a Look-Up Table (LUT – Cross-Point Switch), 4 Pulse Generators
and a 12-bit counter. In the LUT, the relationship between inputs, counters and outputs is
governed by internal register set-up.
LUT
( Cross Point Switch )
Pulse Generator 1
(20 bit Counter )
Pulse Generator 0
(20 bit Counter )
12 bit
Counter
TRIGGER 0
TRIGGER 1
PORT 1 1
PORT 2
Time Stamp Reset
LVAL IN
DVAL IN
FVAL IN
EEN IN
OPT IN 1
OPT IN 2
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
12
13
14
15
16
17
Digital I/O(GPIO) setting
0
1
4
5
16
12
13
Setting for
Line Source
Setting for
Line Selector
25 MHz
Pixel Clock
Counter Clock Source
0
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
Pulse Generator 1
Pulse Generator 1
18
19
Pulse Generator 2
Pulse Generator 3
14
15
Pulse Generator Setting 2
Pulse Generator Setting 3
Pulse Generator 2
(20 bit Counter )
Pulse Generator 3
(20 bit Counter )
Fig.6 GPIO block
The input and output settings for the CM-030GE and CB-030GE series have been fixed as
follows.
Line
Signal
Connector
Line 3
Optical Out 1
Hirose 12P pin # 7/8
Line 4
Optical Out 2
Hirose 12P pin # 9/10
Line 5
Optical In 1
Hirose 12P pin # 5/6
Line 6
Optical In 2
Hirose 12P pin # 3/4
6.1.1 LUT (Look Up Table)
The LUT works as a cross-point switch, which allows connecting inputs and outputs freely.
The signals LVAL_IN, DVAL_IN, FVAL_IN and EEN_IN all originate from the camera timing
circuit.
Trigger 0 is connected to the camera's timing circuit and is used for initiating triggered
exposure. Trigger 1 is used for Delayed Readout mode. The Time Stamp Reset signal is used
reset the camera's time stamp function, also making it possible to reset and synchronize the
time stamp of multiple cameras.
Содержание CB-030GE
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Страница 59: ...CM 030GE CM 030GE RA CB 030GE CB 030GE RA 57 ...
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