參數(shù)資料
型號(hào): MCM20027IBBL
廠商: MOTOROLA INC
元件分類: 模擬信號(hào)調(diào)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(yè)數(shù): 12/74頁(yè)
文件大小: 973K
代理商: MCM20027IBBL
MOTOROLA
Revision 8.0 - 28 November 2001 : MCM20027
12
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
ImageMOS
Figure 7. CFRS Default Line Waveform
Figure 8. SFRS Waveform
4.0 Active Window of Interest Control
The pixel data to be read out of the device is defined as
a ‘Window of Interest’ (WOI). The window of interest
can be defined anywhere on the pixel array at any size.
The user provides the upper-left pixel location and the
size in both row and column depth to define the WOI.
The WOI is defined using the WOI Pointer, WOI Depth,
and WOI Width registers, (
Table 32 on page 51
through
Table 39 on page 53
). Please refer to
Figure 9
for a pic-
torial representation of the WOI within the active pixel
array.
Figure 9. WOI Definition
5.0 Active Window Sub-sampling Control
The user can further control the size of the Active Win-
dow that is read out by sub sampling the already de-
fined Active Window Of Interest (See
“Active Window of
Interest Control” on page 12
). Subsampling enables the
pixel data to be readout in 1 pixel or 2 pixel increments
depending if you are subsampling in either mono-
chrome (1 pixel) or bayer pixel (2 pixel) space in four dif-
ferent sampling rates in each direction: full, 1/2, 1/4, or
1/8. The user controls the subsampling via the
Sub-
sample Control Register, (Table 30), on page 49
.
An example of Bayer space sub-sampling is shown in
Figure 10
.
Figure 10. Bayer Space Sub-sampling Example
r
r
r
r
r
r
r
SOF
VCLK
HCLK
SYNC
T = (cint
d
+ 1) * Row Time
Standard Frame
Timing (Figure 18)
0
1295
0
1047
WOI Pointer (wcp,wrp)
W
WOI Column Width (wcw)
ACTIVE PIXEL ARRAY
Window of Interest (WOI)
Sub-sample Control Register =
x0010101
b
=
Progressive Scan
Bayer Pattern
Read 1 Pattern, Skip 1 Pattern
in both directions
R
G
R
G
R
G
R
G
R
G
R
G
G
B
G
B
G
B
G
B
G
B
G
B
R
G
R
G
R
G
R
G
R
G
R
G
G
B
G
B
G
B
G
B
G
B
G
B
R
G
R
G
R
G
R
G
R
G
R
G
G
B
G
B
G
B
G
B
G
B
G
B
R
G
R
G
G
B
G
B
R
G
R
G
G
B
G
B
R
G
R
G
G
B
G
B
R
G
R
G
G
B
G
B
R
G
R
G
G
B
G
B
R
G
R
G
G
B
G
B
R
G
G
B
R
G
G
B
R
G
G
B
R
G
G
B
R
G
G
B
R
G
G
B
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