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參數(shù)資料
| 型號： | 935232410518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 0-BIT, 28.6 MHz, OTHER DSP, PQFP80 |
| 封裝： | 12 X 12 X 1.40 MM, PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 38/39頁 |
| 文件大小： | 314K |
| 代理商： | 935232410518 |
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1997 Jun 13
8
Philips Semiconductors
Preliminary specication
Digital Signal Processor (DSP) for
cameras
SAA8110G
FUNCTIONAL DESCRIPTION
Black offset preprocessing
The input data is clamped within the optical black pixel
area of the CCD. The size of the digital clamp window is
16 pixels by 128 lines (i.e. TDA8786). It is possible to
differentiate black levels for odd/even lines, pixels and
fields. This comes in addition to the analog preprocessing
clamp which is active on the clamp pulse generated by the
external timing circuit. The analog clamp is included in the
TDA8786.
RGB separation
PAL/NTSC sensors generate interlaced data adding offset
in the complementary colour pixels. The RGB separation
block with its two line memories generates the three
components Y, 2R
G, and 2B G for each input data
corresponding to a pixel value of the CCD. Then the
triplet R, G, B is derived. This block also delivers some
contour and white clip information.
RGB processing
The RGB processing includes several features:
Colour space matrix depending on CCD type to be
suitable with different sensor colour filters
Gain correction for R and B signals for white balance
control
Black offset
Adjustable knee
Adjustable gamma function.
The knee function is applied to all three RGB signals.
Its shape is continuously adjustable by changing the slope
and the knee offset point.
To compensate for the non-linear response of display
devices, a gamma correction is applied to R, G and B
signals. It may be adjustable from linear to a 0.35 power
coefficient.
Fig.3 RGB separation diagram.
handbook, full pagewidth
MGK153
LINE
MEMORY
LINE
MEMORY
R
G
B
CCD inputs
white clip
vertical contour
RGB
COLOUR
SEPARATION
10
Fig.4 RGB processing.
handbook, full pagewidth
MGK154
COLOUR
MATRIX
R
Rgain
Rblack
Gblack
G
B
3
×
KNEE
R
G
B
+
×
+
Bgain
Bblack
×
+
3
×
GAMMA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 935256670557 | 0-BIT, 28.6 MHz, OTHER DSP, PQFP80 |
| 0711 | 35 A, MODULAR TERMINAL BLOCK |
| 0715 | 30 A, MODULAR TERMINAL BLOCK |
| 0717238 | 65 A, STRIP TERMINAL BLOCK, 1 ROW, 1 DECK |
| 0717 | 20 A, MODULAR TERMINAL BLOCK |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 9352370001 | 功能描述:HEAT SHRINK SLEEVE RoHS:是 類別:線纜，導(dǎo)線 - 管理 >> 標(biāo)簽，標(biāo)記 系列:HT-SCE 標(biāo)準(zhǔn)包裝:250 系列:CM-SCE 標(biāo)簽類型:標(biāo)準(zhǔn) 標(biāo)簽尺寸:2.00" x 0.25"（50.8mm x 6.4mm） 顏色:白 材質(zhì):聚烯烴 適用于相關(guān)產(chǎn)品:點陣打印機(jī) 包裝:* 工作溫度:-55°C ~ 135°C 其它名稱:A105291CM-SCE-TP-1/4-4H-9 |
| 935241-0001 | 制造商: 功能描述: 制造商:DIGITRAN 功能描述: 制造商:undefined 功能描述: |
| 935241-1 | 制造商:DIGITRAN 功能描述: 制造商:DTRAN 功能描述: |
| 935245650125 | 制造商:NXP Semiconductors 功能描述:Inverter 1-Element CMOS 5-Pin TSSOP T/R |
| 935248-90 | 制造商:JANCO 功能描述:935248-90 |
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