參數資料
型號： 935261128557
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： PLASTIC, SOT-407, QFP-100
文件頁數： 3/47頁
文件大?。?/td> 192K
代理商： 935261128557
1999 Sep 27
11
Philips Semiconductors
Preliminary specication
Digital PC-camera signal processor
SAA8113HL
8.3
RGB processing
The RGB processing (see Fig.4) includes several features:
Colour space matrix to handle different types of colour
sensors. The result is an optimum colour reproduction
through the minimization of colour errors. The default
matrix coefficients (positive or negative) can be adjusted
through an external interface.
Separate and adjustable black offsets for
R, G and B signals.
Separate gain controls for R and B signals dedicated to
white balance control. The colour temperature can be
adjusted independently of the colour matrix.
Knee function (compression factor and knee point are
adjustable).
Adjustable gamma function to compensate for the
non-linearity of display devices.
The RGB path has a reduced bandwidth (less than
1 MHz), which is required for CVBS output.
handbook, full pagewidth
FCE315
KNEE
Y
R
Rgain
Rblack
LPF
GAMMA
×
+
KNEE
COLOUR
MATRIX
CR
G
Gblack
LPF
GAMMA
+
KNEE
CB
B
Bgain
Bblack
LPF
GAMMA
×
+
Fig.4 RGB processing diagram.
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