Toshiba BC Series - Exposuretimecontrol

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D4296087A
ExposureTimeControl
ExposureTime controls the duration where the image sensor is exposed to light.
This camera series provides three kinds of exposure time control mode.
It also has ShotrExposureMode which can set high-speed exposure time at the time of MANUAL setting.
- NoSpecify : The exposure time is determined by ‘AcquisitionFrameRate’ register setting value
- Manual : The exposure time is determined by ‘ExposureTime’ register setting value.
● Register
IIDC2 address
Register
address
Read
Write
Memory
save
Default
Register name
Description
0x0020 4028
R/W
✓
0x1
ExposureTimeControl
0x0:NoSpecify
Take priority AcquisitionFrameRate setting.
0x1:Manual
Take priority ExposureTime setting.
0x0020 403C
R/W
✓
0.4M:0x493E0
1.6M:0x124F80
ExposureTime
ExposureTime
ShortExposureMode=OFF:
*ExposureTime / 37500000 [sec]
0x22B (14.8usec) ～ 0x23C34600 (16sec)
ShortExposureMode=ON:
*ExposureTime * 53 / 983850009 [sec]
0x14 (1.1usec) ～ 0xF7 (13.3usec)
0x0020 439C
R/W
✓
0x0
ShortExposureMode
0x0:OFF, 0x1:ON
* 0.4M : BC040M, 1.6M : BC160M
Legacy address
Register
address
Read
Write
Memory
save
Default
Register name
Description
0xA0
R/W
✓
0.4M:0x7D
1.6M:0x1F
Shutter speed denominator
Only ShortExposureMode=OFF
0x1(1)～0x107EF(67567)
0xA4
R/W
✓
0x1
Shutter speed numerator
Only ShortExposureMode=OFF
0x1(1)～0x10(16)
* 0.4M : BC040M, 1.6M : BC160M