AN 776: UHD HDMI 2.0 Video Format Conversion Design Example

ID 683465
Date 4/15/2021
Public
Document Table of Contents

1.1. UHD HDMI 2.0 Video Format Conversion Design Example Features

  • Input:
    • HDMI 2.0 connectivity supports from 720x480 up to 3840x2160 resolution at any frame rate up to and including 60 fps.
    • Input hot-plug support.
    • Supports both RGB and YCbCr (4:4:4, 4:2:2 and 4:2:0) colour formats at the input.
    • Supports input at 8 and 10 bits per color
    • Software automatically detects the input format and sets up the processing pipeline appropriately.
  • Output:
    • HDMI 2.0 connectivity selectable for either 1080p, 1080i or 2160p resolution at 60 fps, or 2160p at 30 fps
    • Output hot-plug support
    • DIP switches set the required output color format to RGB, YCbCr-4:4:4 or YCbCr-4:2:2, or YCbCr 4:2:0)
    • DIP switches set the output to 8 or 10 bits per color
  • Single 10-bit RGB processing pipeline with software configurable scaling and frame rate conversion:
    • 12 tap Lanczos down-scaler
    • 16 phase, 4 tap Lanczos up-scaler
    • Triple buffer video frame buffer provides frame rate conversion
    • Mixer with alpha-blending allowing OSD icon overlay

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