SDA5273S Single chip teletext IC

Single chip teletext IC
● Analog CVBS-input with onchip clamping circuitry
● Slicer
● Supports level 1, 2.5 and 3.5 ETSI teletext standard
● Stores up to 14 teletext pages on chip
● Stores up to 2048 teletext pages with external
16 M memory
● SDA 5275: full level 2.5 processing
● Analog RGB-output
● 41 latin script languages
● 12 × 10 character size
● Parallel display attributes
● 64 from 4096 colors selectable
● Enhanced flash modes
● Dynamically redefinable character set (DRCS, PCS)
● Pixel graphics
● Fullscreen display (64 × 32 or 80 × 24 character positions)
● Horizontal and vertical scrolling
● Graphic cursors
● 4:3 and 16:9 display
● Multinorm display (50/60/100/120 Hz)
● RISC-processor
● Firmware downloadable
● I2C / 3 wire UART-interface (1 Mbit/s)
● Independent clocks for acquisition and display
● Tools for greatly simplified software development
● 24-Kbyte on-chip reconfigurable DRAM
● 44160-bit character ROM
● One external crystal for all standards