DESCRIPTION
The STV5346 decoder is a computer-controlled teletext device including an 8 page internal memory. Data slicing and capturing extracts the teletext information embedded in the composite video signal. Control is accomplished via a two wire serial I2C bus ®. Internal ROM provides a character set suitable to display text using up to seven national languages. Different ROM versions will support several national character sets. Hardwareand software features allow selectable master/slave synchronization configurations. The STV5346 also supports facilities for reception and display of current level protocol data.

■ COMPLETE TELETEXT DECODER INCLUDING
   AN 8 PAGE MEMORY ON A SINGLE CHIP
■UPWARD SOFTWARE COMPATIBLE WITH
   PREVIOUS SGS-THOMSON’s MULTICHIP
   SOLUTIONS (SAA5231, SDA5243, STV5345)
■ SINGLE +5V SUPPLY VOLTAGE
■ SINGLE 13.875MHz CRYSTAL
■ REDUCED SET OF EXTERNAL COMPONENTS, NO EXTERNAL ADJUSTMENT
■ OPTIMIZED NUMBER OF DIGITAL SIGNALS
   REDUCING EMC RADIATION
■ HIGH DENSITY CMOS TECHNOLOGY
■ DIGITAL DATA SLICER AND DISPLAY CLOCK
   PHASE LOCK LOOP
■28 PIN DIP & SO PACKAGE