參數資料
型號： 935262451518
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號轉換
英文描述： COLOR SIGNAL DECODER, PQFP100
封裝： 14 X 14 X 1.40 MM, PLASTIC, SOT-407, LQFP-100
文件頁數： 49/144頁
文件大?。?/td> 592K
代理商： 935262451518
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Video decoder
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Six analog inputs, internal analog source selectors, e.g. 6 X CVBS or (2 X Y/C and 2 X CVBS) or (1 X
Y/C and 4 X CVBS)
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Two analog preprocessing channels in differential CMOS style inclusive built
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Fully programmable static gain or Automatic Gain Control (AGC) for the selected CVBS or Y/C channel
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Automatic Clamp Control (ACC) for CVBS, Y and C
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Switchable white peak control
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Two 9-bit video CMOS Analog-to-Digital Converters (ADCs), digitized CVBS or Y/C signals are
available on the expansion port
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On-chip line-locked clock generation according "ITU 601"
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Digital PLL for synchronization and clock generation from all standards and non
e.g. consumer grade VTR
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Requires only one crystal (32.11 or 24.576 MHz) for all standards
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Horizontal and vertical sync detection
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Automatic detection of 50 and 60 Hz field frequency, and automatic switching between PAL and NTSC
standards
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Luminance and chrominance signal processing for PAL BGDHIN, combination PAL N, PAL M, NTSC
M, NTSC-Japan, NTSC 4.43 and SECAM
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Adaptive 2/4-line comb filter for two dimensional chrominance/luminance separation
Increased luminance and chrominance bandwidth for all PAL and NTSC standards
Reduced cross colour and cross luminance artefacts
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PAL delay line for correcting PAL phase errors
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Independent Brightness Contrast Saturation (BCS) adjustment for decoder part
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User programmable sharpness control
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Independent gain and offset adjustment for raw data path.
Video scaler
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Horizontal and vertical down-scaling and up-scaling to randomly sized windows
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Horizontal and vertical scaling range: variable zoom to 1/64 (icon); it should be noted that the H and V
zoom are restricted by the transfer data rates
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Anti-alias and accumulating filter for horizontal scaling
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Vertical scaling with linear phase interpolation and accumulating filter for anti
accuracy)
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Horizontal phase correct up and down scaling for improved signal quality of scaled data, especially for
compression and video phone applications, with 6-bit phase accuracy (1.2 ns step width)
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Two independent programming sets for scaler part, to define two ‘ranges’ per field or sequences over
frames
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Fieldwise switching between decoder part and expansion port (X-port) input
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Brightness, contrast and saturation controls for scaled outputs.
Vertical Blanking Interval (VBI) data decoder and slicer
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Versatile VBI-data decoder, slicer, clock regeneration and byte synchronization e.g. for World Standard
Teletext (WST), North-American Broadcast Text System (NABTS), close caption, Wide Screen
Signalling (WSS) etc.
Audio clock generation
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Generation of a field locked audio master clock to support a constant number of audio clocks per video
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