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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