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SAA5252 - Line twenty-one acquisition and display LITOD

General Description

The SAA5252 (LITOD) is a single-chip CMOS device, which will acquire, decode and display Line 21 Closed Captioning data from a 525-line composite video signal.

Operation as an On-Screen Display (OSD) device is also possible.

Normal and line progressive scan modes are supported.

Key Features

  • Complete ‘stand-alone’ Line 21 decoder in one package.
  • On-chip display RAM allowing full page Text mode.
  • Enhanced character display modes.
  • Full colour captions.
  • RGB interface for standard colour decoder ICs.
  • Automatic handling of Field 2 data.
  • Automatic selection of (1H, 1V), (2H, 1V) or (2H, 2V) scan modes.
  • Onboard OSD facility using Character generator.
  • RGB inputs to support existing OSD ICs.
  • I2C-bus or.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS DATA SHEET SAA5252 Line twenty-one acquisition and display (LITOD) Product specification Supersedes data of March 1995 File under Integrated Circuits, IC02 1996 Jul 18 Philips Semiconductors Product specification Line twenty-one acquisition and display (LITOD) FEATURES • Complete ‘stand-alone’ Line 21 decoder in one package • On-chip display RAM allowing full page Text mode • Enhanced character display modes • Full colour captions • RGB interface for standard colour decoder ICs • Automatic handling of Field 2 data • Automatic selection of (1H, 1V), (2H, 1V) or (2H, 2V) scan modes • Onboard OSD facility using Character generator • RGB inputs to support existing OSD ICs • I2C-bus or ‘stand-alone’ pin control • Automatic data-ready signal generation on data acquisition