SAA5700 Overview
plastic quad flat package; 64 leads (lead length 1.95 mm); body 14 × 20 × 2.8 mm SAA5700 GENERAL DESCRIPTION The SAA5700 is a Chinese teletext decoder suitable for TV and multimedia applications.
SAA5700 Key Features
- Acquisition and display of the 625-line PAL CCST Chinese standard for teletext, with Chinese and Latin character sets
- Acquires and stores in background up to (typically) 400 pages with 1M × 4 bits external DRAM
- CCST Fastext, with capability of displaying Chinese characters on Fastext prompt row
- Meshing for reduced contrast video background in subtitles and boxes
- Full line and screen colour to all edges of screen
- Supports 625-line 50/100 Hz display modes
- Scan-locked and stand-alone sync modes; supports video-locked sync modes with external PLL
- Easy control via high level I2C-bus SAFARI mands
- Sync mode switching and picture centring via I2C-bus SAFARI mands
- Supports external decryption unit for encrypted data. ORDERING INFORMATION PACKAGE TYPE NUMBER NAME SAA5700GP QFP64 DESC