Table 6-6.
Internal Register Mapping (Continued)
Access Type
End
Start Addr
(Hex)
Factory
Settings
Size (Dec)
Addr (Hex)
Processing Internal Task
Description
Sensor analog gain:
240
242
244
2
RW
RW
RW
-
-
-
0
0
0
[3:0] = analog gain; value from 0 dB (= 0) to
18 dB (= 6) by step of 3 dB
Digital gain (extended dynamic range):
2
2
[7:0] = gain; value from 1.000 (= 0) to
32.875 (= 255) in Q 8.3 representation
Digital offset (extended dynamic range):
[12:0] = offset; value from -4096 to
+ 4095 in 2's complement
Aperture shutter time:
[15:0] = shutter time; value from 0 to 65535
(for 2M60: 0 to 655 ms by step of 10 µs)
246
2
RW
-
-
1
(for 2M30: 0 to 1310 ms by step of 20µs)
ERS:
248
280
2
8
RW
RW
1600
[10:0] value from 0% (= 0,Dark) to 100%
(= 1600, clear) in Q11.4 representation
287
ROI area:
Addr 280, size 2, default 0:
ROI horizontal start value from 0 to 2080
Addr 282, size 2, default 0
ROI vertical start value from 0 to 1182
Addr 284, size 2, default 1920
ROI vertical size value from 32 to 2096
Addr 286, size 2, default 1080
ROI vertical size value from 32 to 1184
Hot pixel detection threshold:
[10:0] = hot pixel threshold
2C0
2C4
2
1
RW
RW
50
0
Defective pixels control:
-
[0] = hot pixel detection
(0: disabled; 1: enabled
Gamma correction:
300
1000
2000
1
WO
RW
RW
-
-
-
[5:0] = gamma settings; value from 0.125
(= 1) to 7.875 (= 63) in Q6.3 representation
FPN coefficients (8-bit):
1312
8192
151F
3FFF
0
Format: Fpn [0]; Fpn[1]; Fpn [2];…
Look-up table (4096 × 16-bit):
linear
Format: Lut [0]; Lut [1]; … ; Lut [4095]
value: 0 to 4095
Note:
RO: Read Only register, WO: Write Only register, RW: Read and Write register.
18
ATMOS -2M60/2M30 [Preliminary]
5440A–IMAGE–10/05
ATMEL [ ATMEL ]
