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MSM7650 数据表(PDF) 12 Page - OKI electronic componets |
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MSM7650 数据表(HTML) 12 Page - OKI electronic componets |
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12 / 34 page ![]() ¡ Semiconductor MSM7650 12/34 • Black & Blank Pedestal This block adds sync signals at the luminance side to luminance signals. • Interpolator +LPF This block executes data interpolation and the elimination of high frequency components by LPF for input chrominance signals. Both 4:2:2 and 4:1:1 signals are processed. •I2C Control Logic This is the serial interface block based on I2C standard of Phillips Corporation. Internal registers MR and CR can be set from the master side. When writing to the internal registers other than MR [5] (black level control) and CR [1:0] (overlay level), written contents are immediately set to them. It is during the vertical blanking period that written contents are set to MR [5] and CR [1:0]. • Sync Generator & Timing Controller This block generates sync signals and control signals. This block is operated in slave mode, which performs external synchronization, and in master mode, which internally generates sync signals. • Color Burst Generator Outputs U and V components of amplitude of burst signals. • Subcarrier Generator Executes color subcarrier generation. • Interpolation Filter (IPF) This block performs upsampling at CLK X 2 (double speed CLKX1) for luminance signals and chrominance signals modulated with CLKX1. Interpolation processing is executed in this process. |
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