CV-M9 GE
- 39 -
Standard camera functions registers:
Address Function
Read /
Write
Size
Value / Range of
value
Description
Default
value
0xA000 Shutter
mode
R/
W
4
0= Preset shutter
(RGB common)
1= Programmable
exposure (RGB
common)
2= Programmable
exposure (RGB
individual)
4= Exposure Time
Abs
Sets exposure time for image
capture.
Mode 0 and 1 are for common
RGB setting. Mode 2 is for
individual RGB setting.
0
0xA004 Preset
shutter
R/
W
4
0=Off; 1=1/100;
2=1/120; 3=1/250;
4=1/500; 5=1/1000;
6=1/2000;
7=1/4000;
8=1/8000;
9=1/15000;
10=1/25000;
11=1/75000;
12=1/100000;
13=1/150000;
14=1/300000
Fixed values for setting exposure 0
0xA008
Programmable
exposure, PE
R/
W
4
0 to 791
Common RGB setting
Flexible setting of exposure time
ranging from 1/50000s (0.5L) to
1/30s (791L) using the LVAL
period (L) as increment. 1L is
42.07 µs.
791
0xA00C
Programmable
Exposure for Red
R/
W
4
0 to 791
Use with Shutter mode (0xA000)
set to 2
791
0xA010
Programmable
Exposure for Green
R/
W
4
0 to 791
Use with Shutter mode (0xA000)
set to 2
791
0xA014
Programmable
Exposure for Blue
R/
W
4
0 to 791
Use with Shutter mode (0xA000)
set to 2
791
0xA040 Trigger
Mode
R/
W
4
0=Continuous
1=Edge pre-select
2=Pulse width
control
4=Reset Continuous
8=Sequential
Trigger
16=Delayed
Readout Trigger
It is possible to combine modes
by adding register settings.
E.g. set register to 17 (16 + 1)
results in Delayed Readout Edge
pre-selected Trigger
0
0xA04C Smear-less
R/
W
4
0=Off, 1=On
Smear reduction
0
0xA050
LVAL sync/ a-sync
Accumulation
R/
W
4 0=Sync,
1=Async
"Sync" means that accumulation
starts at the next LVAL. "Async"
means that accumulation starts
immediately (no delay)
0
0xA054
Exposure Time Abs
R/
W
4
21 µs to 33.3 ms
Actual exposure time in
microseconds, µs.
The camera will round value off
to match LVAL increments.
33300µs
0xA080 Partial
Scan
R/
W
4
0=Full Frame
1=1/2 Partial
2=1/4 Partial
3=1/8 Partial
The partial scan area is
vertically centred on the sensor.
0