GENERAL DESCRIPTION
The SAA5284 is a Vertical Blanking Interval (VBI) and Full Field (FF) video data acquisition device tailored for application on PC add-in cards, PC mother-boards, set-top boxes and as a SAA5250 replacement. The IC in combination with a range of software modules will acquire most existing formats of broadcast VBI and FF data.

FEATURES
• High performance multi-standard data slicer
• Intercast™ (Intel Corporation) compatible
• Teletext (WST, Chinese teletext) (625 lines)
• Teletext (US teletext, NABTS and MOJI) (525 lines)
• Wide Screen Signalling (WSS), Video Programming Signal (VPS)
• Closed Caption (Europe, US)
• Data broadcast, PDC (packet 30 and 31)
• User programmable data format (programmable framing code)
• 2 kbytes data cache on-chip to avoid data loss and reduce host CPU overhead
• Filtering of packets 30 and 31 WST/NABTS
• Choice of clock frequencies, direct-in clock or crystal oscillator
• Parallel interface, Motorola, Intel and digital video bus
• I2C-bus control
• Data transport by digital video bus
• Choice of programmable interrupt, DMA or polling driven
• Data type selectable video line by video line, with Vertical Blanking Interval and Full Field mode
• Single IC with few external components and small footprint QFP44 package
• Optimized for EMC.