The STV5347 teletext decoder is computer-controlled. It can store either 4 teletext pages without ghost row, or 2 teletextpageswith ghost rows. Data slicing and capturing extracts the teletext information embedded in the composite video signal. Control is accomplished via a two wire serial I2C bus . Chip address is 22h. Internal ROM provides a character set suitable to display text using up to seven national languages.Hardware and software features allow selectable master/slave synchronization configurations.The STV5347 also supports facilities for reception and display of current level protocol data.