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DESCRIPTION

The STV5730A 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