
STMicroelectronics
DESCRIPTION
The STV5730 IC is intended to be used in VCR, Satellitereceiver and PAY-TV systems for CVBS or R/G/B text/graphics insertion.
• A CHARACTER GENERATOR WITH ASCII RAM AND CHARACTER ROM :
- 128 characters
- 12 dots x 18 lines character composition
- 11 rows x 28 characters page composition
• ACCURATE INTERNAL BANDGAP VOLTAGE REFERENCE
• LINE LOCKED PLL
• VIDEO TIMING GENERATOR
• INPUT CVBS CLAMP AND SYNC EXTRACTOR
• VERTICAL SYNC SEPARATOR
• INPUT CVBS SYNC RE-INSERTION
• INPUT CVBS PRESENCE DETECTOR
• PAL/NTSC CHROMA ENCODER
• DEDICATED PINS FOR LUMA AND CHROMA EXTERNAL FILTERING
• GAIN ON CVBS OUTPUT FOR EITHER 0dB OR 6dB CAPABILITY
• MULTISTANDARD TRANSLUCENT MIXED MODE
• OPAQUE MIXED MODE
• NORMAL FULL PAGE MODE
• VIDEO FULL PAGE MODE
• SUITABLE FOR S-VHS
• THREE DIFFERENT MARKERS CAN BE GENERATED SIMULTANEOUSLY
• THREE WIRE SERIAL INTERFACE FOR MICROPROCESSOR CONTROL