參數(shù)資料
型號： MCM20027
廠商： Motorola, Inc.
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： 彩色SXGA數(shù)字圖像傳感器1280 × 1024像素逐行掃描固態(tài)集成信用違約掉圖像傳感器/美國PGA /模數(shù)轉(zhuǎn)換器，數(shù)字節(jié)目，控制
文件頁數(shù)： 45/74頁
文件大?。?/td> 973K
代理商： MCM20027
Revision 8.0 - 28 November 2001 : MCM20027
MOTOROLA
45
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
ImageMOS
The
PGA Gain Mode; Table 25
, is the register where the
PGA Gain modes for the White Balance and Exposure
gains can be selected. There are two different Gain
modes for White Balance and there are three different
Gain modes for the Exposure gain.
White Balance Gain modes:
1) Raw gain mode - 32 steps @ 0.02174/step
- 32 steps @ 0.04340/step
2) Linear gain mode - 48 steps @ 0.04340/step
Exposure Gain Modes:
1) Raw gain mode - 32 steps @ 0.02174/step
- 32 steps @ 0.04340/step
i.e. PGA Global Gain A Register= Raw gain mode
PGA Global Gain B Register= Raw gain mode
2) Linear gain mode - 48 steps @ 0.04340/step
i.e. PGA Global Gain A Register= Linear gain mode
PGAGlobal Gain B Register= Linear gain mode
3) Linear 2 gain mode - 64 steps @ ~ 0.12/step
i.e. PGA Global Gain A Register= Linear 2 gain mode
PGA Global Gain B Register= Not used
The
wbm
bit sets the White Balance mode. While the
egm
[d] bit sets the Exposure gain mode
Address
21
h
Exposure PGA Global Gain B
Default
0E
h
msb (7)
6
5
4
3
2
1
lsb (0)
x
x
gg2[5]
gg2[4]
gg2[3]
gg2[2]
gg2[1]
gg2[0]
Bit
Number
Function
Description
Reset
State
7 - 6
Unused
Unused
xx
b
5 - 0
Gain
PGA Gain Mode
Raw Gain Mode [gg2
d
= 0-32
d
] ---> Gain = 0.6956 + (0.02174* gg2
d
)
Raw Gain Mode [gg2
d
= 33-63
d
] --> Gain = 1.391+ (0.0434* (gg2
d
-
32)
(Range 0.696 - 2.736)
Linear Gain Mode -----> Gain = 0.6956 + (0.0434 * gg2
d
)
(Range 0.696 - 2.736)
001110
Table 24. Exposure PGA Global Gain Register B
Address
22
h
PGA Gain Mode
Default
00
h
msb (7)
6
5
4
3
2
1
lsb (0)
x
x
x
x
x
wbm
egm[1]
egm[0]
Bit
Number
Function
Description
Reset
State
Table 25. PGA Gain Mode
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