參數(shù)資料
型號(hào): AD9948KCPRL
廠商: ANALOG DEVICES INC
元件分類: 消費(fèi)家電
英文描述: 10-Bit CCD Signal Processor with Precision Timing⑩ Core
中文描述: SPECIALTY CONSUMER CIRCUIT, QCC40
封裝: 6 X 6 MM, MO-220-VJJD-2, LFCSP-40
文件頁(yè)數(shù): 21/28頁(yè)
文件大?。?/td> 539K
代理商: AD9948KCPRL
REV. 0
AD9948
–21–
LINE0
GAIN0, GAIN1, GAIN0, GAIN1, ...
R
R
Gr
Gr
LINE1
LINE2
GAIN2, GAIN3, GAIN2, GAIN3, ...
GAIN0, GAIN1, GAIN0, GAIN1, ...
COLOR STEERING MODE:
PROGRESSIVE
R
R
Gr
Gr
Gb
B
CCD: PROGRESSIVE BAYER
Gb
B
Gb
B
Gb
B
Figure 17a. CCD Color Filter Example—Progressive Scan
The same Bayer pattern can also be interlaced, and the interlaced
mode should be used with this type of CCD (see Figure 17b).
The color steering performs the proper multiplexing of the R,
G, and B gain values (loaded into the PxGA gain registers), and
is synchronized by the user with vertical (VD) and horizontal
(HD) sync pulses. For timing information, see Figure 18b.
LINE0
GAIN0, GAIN1, GAIN0, GAIN1, ...
R
R
Gr
Gr
LINE1
LINE2
GAIN0, GAIN1, GAIN0, GAIN1, ...
GAIN0, GAIN1, GAIN0, GAIN1, ...
Gb
Gb
B
B
LINE0
GAIN2, GAIN3, GAIN2, GAIN3, ...
LINE1
LINE2
GAIN2, GAIN3, GAIN2, GAIN3, ...
GAIN2, GAIN3, GAIN2, GAIN3, ...
COLOR STEERING MODE:
INTERLACED
Gb
Gb
B
B
Gb
Gb
B
B
Gb
Gb
B
B
R
R
Gr
Gr
R
R
Gr
Gr
R
R
Gr
Gr
EVEN FIELD
ODD FIELD
CCD: INTERLACED BAYER
Figure 17b. CCD Color Filter Example—Interlaced Readout
A third type of readout uses the Bayer pattern divided into three
different readout fields. The three-field mode should be used
with this type of CCD (see Figure 17c). The color steering
performs the proper multiplexing of the R, G, and B gain values
(loaded into the PxGA gain registers), and is synchronized by
the user with vertical (VD) and horizontal (HD) sync pulses.
For timing information, see Figure 18c.
LINE0
GAIN0, GAIN1, GAIN0, GAIN1, ...
R
R
Gr
Gr
LINE1
LINE2
GAIN2, GAIN3, GAIN2, GAIN3, ...
GAIN0, GAIN1, GAIN0, GAIN1, ...
LINE0
GAIN2, GAIN3, GAIN2, GAIN3, ...
LINE1
LINE2
GAIN0, GAIN1, GAIN0, GAIN1, ...
GAIN2, GAIN3, GAIN2, GAIN3, ...
COLOR STEERING MODE:
THREE FIELD
Gb
Gb
B
B
Gb
Gb
B
B
R
R
Gr
Gr
FIRST FIELD
SECOND FIELD
CCD: 3-FIELD READOUT
LINE0
GAIN0, GAIN1, GAIN0, GAIN1, ...
R
R
Gr
Gr
LINE1
LINE2
GAIN2, GAIN3, GAIN2, GAIN3, ...
GAIN0, GAIN1, GAIN0, GAIN1, ...
R
R
Gr
Gr
THIRD FIELD
Gb
Gb
B
B
Gb
Gb
B
B
R
R
Gr
Gr
R
R
Gr
Gr
Gb
Gb
B
B
Gb
Gb
B
B
Figure 17c. CCD Color Filter Example—Three-Field Readout
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