MCM20027 Motorola, MCM20027 Datasheet - Page 18

• Manufacturer Part Number: MCM20027
• Description: Color SXGA Digital Image Sensor 1280 x 1024 pixel progressive scan solid state image sensor with integrated CDS/PGA/ADC / digital programming / control
• Manufacturer: Motorola

MOTOROLA
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
The Diagram below illustrates how the Exposure Gain Registers apply the gain onto the pixel data:
Register
10h
21h
No
Gain Register A; Table
Gain Register B; Table
Exposure PGA Global
Exposure PGA Global
Register Name
23
24
Pixel Data
Table 4. Exposure Gain modes and Gain Formulas
Exposure PGA Gain
Variable
gg1
gg2
Register A
LINEAR 2
LINEAR 2
Modes
LINEAR
LINEAR
Gain
RAW
RAW
Exposure PGA Gain
Steps
33-63
33-63
Gain
0-32
0-47
0-67
0-32
0-47
0-67
Register B
1.391+ (0.0434* (gg1
1.391+ (0.0434* (cg2
0.6956 + (0.02174* gg1
0.6956 + (0.02174* cg2
0.6956 + (0.0434 * gg2
0.6956 + (0.0434 * gg2
0.6956 +(0.0434 x gg1
0.6956 +(0.0434 x cg2
Revision 8.0 - 28 November 2001 :
Gain Formula
ImageMOS
ImageMOS
d
d
-32)
-32)
d
d
d
d
d
d
)
)
)
)
)
)
0.69-1.39
1.39-2.74
0.69-2.74
0.69-3.60
0.69-1.39
1.39-2.74
0.69-2.74
0.69-3.60
Range
Gain
MCM20027
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