PYTHON25K Datasheet, PDF (32/87 Pages) ON Semiconductor – PYTHON 25K/16K/12K/10K Global Shutter CMOS Image Sensors

NOIP1SN025KA, NOIP1SN016KA, NOIP1SN012KA, NOIP1SN010KA
Figure 29. Subsampling Scheme for PYTHON XK
Signal Gain Path
Table 20 and Table 21 show the available registers (fields)
to program the desired exposure time and gain settings.
Table 20. EXPOSURE TIME CONFIGURATION
REGISTERS
Default
Address Value
Description
201
0x0000 Exposure time: granularity defined by
’Mult Timer’ (register 199).
199
0x0001 Mult Timer
Defines granularity of exposure and
reset length.
unit = 1/72 MHz for normal ROT mode
200
0x0000 Reset length or Frame Length
Granularity defined by ’Mult Timer’
(register 199)
Table 21. GAIN CONFIGURATION REGISTERS
Address
Unity
Gain
Config-
uration
Description
204 [4:0]
0x04
0x04:
0x18:
0x08:
0x10:
1x
1.26x
1.87x
3.17x
204 [13]
Postpone gain update by one frame
when ‘1’ to compensate for exposure
time updates latency.
205[11:0]
0x080
Digital Gain, 5.7 unsigned representation
(5 bits before decimal point, 7 bits after
fractional part). Maximum gain is 31.992
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