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SAA5700 - Chinese Character System Teletext CCST decoder

Description

GENERAL DESCRIPTION The SAA5700 is a Chinese teletext decoder suitable for TV and multimedia applications.

Features

  • Acquisition and display of the 625-line PAL CCST Chinese standard for teletext, with Chinese and Latin character sets.
  • Supports multiple DRAM sizes: 256K × 4 bits, 1M × 4 bits, 4M × 4 bits and 2 × 1M × 4 bits with an additional decoder/demultiplexer IC.
  • Acquires and stores in background up to (typically) 400 pages with 1M × 4 bits external DRAM.
  • CCST Fastext, with capability of displaying Chinese characters on Fastext prompt row.
  • Meshing for reduced.

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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 SAA5700 Chinese Character System Teletext (CCST) decoder Preliminary specification File under Integrated Circuits, IC02 1997 May 16 Philips Semiconductors Preliminary specification Chinese Character System Teletext (CCST) decoder FEATURES • Acquisition and display of the 625-line PAL CCST Chinese standard for teletext, with Chinese and Latin character sets • Supports multiple DRAM sizes: 256K × 4 bits, 1M × 4 bits, 4M × 4 bits and 2 × 1M × 4 bits with an additional decoder/demultiplexer IC • Acquires and stores in background up to (typically) 400 pages with 1M × 4 bits external DRAM • CCST Fastext, with capability of displaying Chinese characters on Fastext prompt row • Meshing for reduced contrast video background in subtitles and boxes • Full line and sc
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