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ADI Video Converters

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					ADV7402 Overview
The Display Input Requirement

       Analog RGB

                       HD/SD                                  MPEG HD Decode
        Analog HD      Digitizer                              Surround Decode
                          &                                         I to P
                      Decoder                                      Scaling
        Analog SD         &                                          GUI
                      3D Comb                                 Picture in Picture
                                         656
         IF TUNER     Process          Boundary                     Process
                       0.18u        LOW PINCOUNT                  0.13u or lower
        DVI / HDMI




    The input block                The big digital block
    ADI FOCUS                      CUSTOMER FOCUS
1                       Analog Devices Confidential Information
High Performance Multistandard Video Decoder
ADV7400/2
                                         Csync
   Three 12-bit ADCs                  RGB – G
                                      YPbPr – Y
                                       Or Other
   Input Choices                         Sync
                                       Sources
                                                   Sync Input
        PC-RGB Support                           Clock Control
                                                                        I2C         Digital Clock Control
        HD Support
             720p/1080i
             Prog 525P/625P                        Input Block         Digital Processing Block
                                         CVBS
        SD Support                      All Y,
                                        RGB-G




                                                                                                        Output Block
             NTSC/PAL/SECAM                       Clamp   ADC               SD Processing
        Digital Inputs                  YC-C
                                        YUV-U
             From 3D Comb (YC)       YPbPr-Pr
                                        RGB-R      Clamp
             From Tuner (Raw CVBS)                        ADC
                                        YUV-V                                 HD, PS & RGB
        Digital RGB/YCbCr            YPbPr-Pb                                 Processing
                                        RGB-B
             From HDMI/DVI Rx                     Clamp   ADC
   Digital Features
        CS Conversion
             RGB -> YUV -> RGB                                         Digital
                                                                        CVBS,
             Any-to-any matrix                                          YUV
        Macrovision Detection
        3&5 Line Adaptive Comb Filters


2                                 Analog Devices Confidential Information
ADV7402 Overview
Input Configuration Example

      RGB-H
                                         ADV7402                         DIGITAL CAPTURE
      RGB-V
                                               MSB    P19   91    [7:0] Y Input
      RGB-G                                           P18   92
                                                      P17   93
                            86 HS_IN
      RGB-B                                           P16   94                 SCALER
                            85 VS_IN
                                                      P15    7               UPCONVERTER
      RGB-R                                           P14    8
                            52   SOG                                          MPEG CORE
                                                      P13    9
                            54   AIN1A
                                               LSB    P12   10                   Etc…
                            56   AIN2A
      YC1-Y
                            58   AIN3A
                                               MSB     P9   22    [7:0] CrCb Input
      YC1-C                                            P8   23
                                                       P7   25
                                                       P6   26
      CVBS1                                            P5   27
                                                       P4   28
                            71   AIN4B
                                                       P3   41
     YPrPb-Pr               72   AIN4A
                                               LSB     P2   42
                            73   AIN5B
     YPrPb-Pb               74   AIN5A               LLC1 36      CLK   INPUT
                            75   AIN6B
                                                      HS      4   HS    INPUT
     YPrPb-Y                76   AIN6A
                            77   SOY                  VS 99       VS    INPUT




3                   Analog Devices Confidential Information

				
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posted:8/20/2011
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