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Configuration of the camera
OSCAR Technical Manual V2.4.0
185
Extended shutter
The exposure time for long-term integration of up to 67 seconds can be
entered with µs precision via the EXTENDED_SHUTTER register.
The minimum allowed exposure time depends on the camera model. To deter-
mine this value write 1 to the ExpTime field and read back the minimum
allowed exposure time.
The longest exposure time, 3FFFFFFh, corresponds to 67.11 seconds.
8500
91000
Note
L
The ABSOLUTE VALUE CSR register, introduced in IIDC V1.3, is
not implemented.
Register Name Field Bit Description
0xF100020C EXTD_SHUTTER Presence_Inq [0] Indicates presence of this fea-
ture (read only)
--- [1.. 5] Reserved
ExpTime [6..31] Exposure time in µs
Table 87: Advanced register: Extended shutter
Note
L
• Exposure times entered via the 81Ch register are mir-
rored in the extended register, but not vice versa.
• Changes in this register have immediate effect, even
when camera is transmitting.
• Extended shutter becomes inactive after writing to a
format / mode / frame rate register.
• Extended shutter setting will thus be overwritten by
the normal time base/shutter setting after Stop/Start
of FireView or FireDemo.
ID Time base in µs Description
Table 86: Time base ID