Allied International V2.4.0 User Manual
Configuration of the camera
OSCAR Technical Manual V2.4.0
184
Time base
Corresponding to IIDC, exposure time is set via a 12-bit value in the corre-
sponding register (SHUTTER_INQ [51Ch] and SHUTTER [81Ch]).
sponding register (SHUTTER_INQ [51Ch] and SHUTTER [81Ch]).
This means that you can enter a value in the range of 1 to 4095.
Oscar cameras use a time base which is multiplied by the shutter register
value. This multiplier is configured as the time base via the TIMEBASE regis-
ter.
value. This multiplier is configured as the time base via the TIMEBASE regis-
ter.
The time base IDs 0-9 are in bits 28 to 31. See
Default time base is 20 µs: This means that the integration time can be
changed in 20 µs increments with the shutter control.
changed in 20 µs increments with the shutter control.
Register
Name
Field
Bit
Description
0xF1000208
TIMEBASE
Presence_Inq
[0]
Indicates presence
of this feature
(read only)
of this feature
(read only)
---
[1..27]
Reserved
Timebase_ID
[28..31]
Table 85: Advanced register: Time base
Note
L
Time base can only be changed when the camera is in idle
state and becomes active only after setting the shutter value.
state and becomes active only after setting the shutter value.
ID
Time base in µs
Description
0
1
1
2
2
5
3
10
4
20
default value
5
50
6
100
7
200
Table 86: Time base ID