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參數(shù)資料
| 型號： | MCM20027IBBL |
| 廠商： | MOTOROLA INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Color SXGA Digital Image Sensor 1280 x 1024 pixel progressive scan solid state image sensor with integrated CDS/PGA/ADC, digital programming, control |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, CQCC48 |
| 封裝： | CERAMIC, LCC-48 |
| 文件頁數(shù)： | 44/74頁 |
| 文件大小： | 973K |
| 代理商： | MCM20027IBBL |
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MOTOROLA
Revision 8.0 - 28 November 2001 : MCM20027
44
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
ImageMOS
13.2 Gain Calibration Block
The
Exposure PGA Global Gain Register A; Table 23
and the
Exposure PGA Global Gain Register B; Table
24
, allows the user to set a global gain via two 6 bit reg-
ister which are applied universally to all the pixel out-
puts. This enables the user to account for varying light
conditions.The Gain range depends on what the Expo-
sure Gain Mode (
PGA Gain Mode; Table 25
)is set. If
The Exposure gain mode is set at either Raw or Linear,
then
Exposure PGA Global Gain Register A; Table 23
and
Exposure PGA Global Gain Register B; Table 24
are both utilized. But if it is set at Linear 2 gain mode,
then only
Exposure PGA Global Gain Register A; Table
23
is used.
(
0
Frame
Rate
Clamp
1
b
= Full Current (Power) consumption [80/100]
0
b
= Half Current (Power) consumption [40/50]
0
b
Address
13
h
Programable Bias Generator Control
Default
00
h
msb (7)
6
5
4
3
2
1
lsb (0)
x
adp
gdp
egb
ega
wbp
cdp
fcp
Table 22. Programable Bias Generator Control register
Address
10
h
Exposure PGA Global Gain A
Default
0E
h
msb (7)
6
5
4
3
2
1
lsb (0)
x
x
gg1[5]
gg1[4]
gg1[3]
gg1[2]
gg1[1]
gg1[0]
Bit
Number
Function
Description
Reset
State
7 - 6
Unused
Unused
xx
5 - 0
Gain
PGA Gain Mode
Raw Gain Mode [gg1
d
= 0-32
d
] ---> Gain = 0.6956 + (0.02174* gg1
d
)
Raw Gain Mode [gg1
d
= 33-63
d
] --> Gain = 1.391+ (0.0434* (gg1
d
-
32)
(Range 0.696 - 2.736)
Linear Gain Mode -----> Gain = 0.6956 + (0.0434 * gg1
d
)
(Range 0.696 - 2.736)
Linear 2 Gain Mode ----> Gain = 0.484 +(0.12 x gg1
d
)
(Range 0.484 - 7.488)
001110
Table 23. Exposure PGA Global Gain Register A
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