參數(shù)資料
型號: 935273916518
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PBGA156
封裝: 15 X 15 MM, 1.15 MM HEIGHT, LEAD FREE, PLASTIC, MS-034, SOT-472-1, BGA-156
文件頁數(shù): 85/178頁
文件大?。?/td> 988K
代理商: 935273916518
SAA7118; Multistandard video decoder with adaptive comb filter and component video input
Features
Video acquisition/clock
q
Up to sixteen analog CVBS, split as desired (all of the CVBS inputs optionally can be used to convert e.g. Vestigial Side Band (VSB) signals)
q
Up to eight analog Y + C inputs, split as desired
q
Up to four analog component inputs, with embedded or separate sync, split as desired
q
Four on-chip anti-aliasing filters in front of the Analog-to-Digital Converters (ADCs)
q
Automatic Clamp Control (ACC) for CVBS, Y and C (or VSB) and component signals
q
Switchable white peak control
q
Four 9-bit low noise CMOS ADCs running at twice the oversampling rate (27 MHz)
q
Fully programmable static gain or Automatic Gain Control (AGC), matching to the particular signal properties
q
On-chip line-locked clock generation in accordance with ?ITU 601?
q
Requires only one crystal (32.11 or 24.576 MHz) for all standards
q
Horizontal and vertical sync detection.
Video decoder
q
Digital PLL for synchronization and clock generation from all standards and non-standard video sources e.g. consumer grade VTR
q
Automatic detection of any supported colour standard
q
Luminance and chrominance signal processing for PAL B, G, D, H, I and N, combination PAL N, PAL M, NTSC M, NTSC-Japan, NTSC 4.43 and SECAM
q
Adaptive 2/4-line comb filter for two dimensional chrominance/luminance separation, also with VTR signals
r
Increased luminance and chrominance bandwidth for all PAL and NTSC standards
r
Reduced cross colour and cross luminance artefacts
q
PAL delay line for correcting PAL phase errors
q
Brightness Contrast Saturation (BCS) adjustment, separately for composite and baseband signals
q
User programmable sharpness control
q
Detection of copy-protected signals according to the Macrovision(1) standard, indicating level of protection
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Independent gain and offset adjustment for raw data path
Component video processing
q
RGB component inputs
q
Y-PB-PR component inputs
q
Fast blanking between CVBS and synchronous component inputs
q
Digital RGB to Y-CB-CR matrix.
Video scaler
q
Horizontal and vertical downscaling and upscaling to randomly sized windows
q
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)
q
Anti-alias and accumulating filter for horizontal scaling
q
Vertical scaling with linear phase interpolation and accumulating filter for anti-aliasing (6-bit phase accuracy)
q
Horizontal phase correct up and downscaling for improved signal quality of scaled data, especially for compression and video phone applications, with 6-bit phase accuracy (1.2
ns step width)
q
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
q
Brightness, contrast and saturation controls for scaled outputs.
Vertical Blanking Interval (VBI) data decoder and slicer
q
Versatile VBI data decoder, slicer, clock regeneration and byte synchronization e.g. for World Standard Teletext (WST), North American Broadcast Text System (NABTS),
file:///C|/Documents%20and%20Settings/lakshmip/Local%20Settings/Temp/notesFEC990/SAA7118.htm (2 of 5) [2/9/2005 12:20:18 PM]
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