SAA5355 Datasheet | NXP Semiconductors

INTEGRATED CIRCUITS DATA SHEET SAA5355 Single-chip colour CRT controller (FTFROM) Product specification File under Integrated Circuits, IC02 March 1986 Philips Semiconductors Product specification Single-chip colour CRT controller (FTFROM) GENERAL DESCRIPTION The SAA5355 FTFROM (Five-Two-Five-ROM) is a single-chip VLSI NMOS crt controller capable of handling the display functions required for a 525-line, level-3 videotex decoder. Only minimal hardware is required to produce a videotex terminal using FTFROM  the simplest configuration needs just a microcontroller and 4 Kbytes of display memory. Features - Minimal additional hardware required - Screen formats of 40/80 character by 1-to-25 row display - 512 alphanumeric or graphical characters on-chip or extendable off-chip - Serial attribute storage (STACK) and parallel attribute storage - Dynamically redefinable character (DRCS) capability over full field - Interfaces with 8/16-bit microprocessors with optional direct memory access - On-chip scroll map minimizes data to be transferred when scrolling - 32 on-screen colours redefinable from a palette of 4096 - Three on-chip digital-to-analogue converters which pensate for crt non-linearity - Memory interface capable of supporting multi-page terminals. FTFROM can access up to 128 Kbytes of display memory - Programmable cursor - Programmable local status row - Three synchronization modes: stand-alone simple slave phase-locked slave built-in oscillator operating with an external 6,041957 MHz crystal directly synchronized from the source of text posite sync indirect synchronization allows picture-in-text displays (e.g. VCR/VLP video with text overlay) - On-chip timing with posite sync output - Zoom feature which allows the height of any group of rows to be increased to enhance legibility PACKAGE OUTLINE 40-lead DIL; plastic (SOT129); SOT 129-1; 1996 November 18. March 1986 Philips Semiconductors Product specification Single-chip colour CRT...