2 GENERAL DESCRIPTION
The SAA4977H is a video processing IC providing analog YUV interfacing, video enhancing features, memory controlling and an embedded 80C51 microprocessor core. It is applicable especially for field rate up-conversion (50 to 100 Hz or 60 to 120 Hz) in cooperation with a 2.9 Mbit field memory. It is designed for applications together with:
     SAA4955/56TJ, TMS4C2972/73 (serial field memories)
     SAA4990H (PROZONIC)
     SAA4991WP (MELZONIC).

FEATURES
• Internal prefilter
• Clamp circuit
• Analog AGC
• Line locked PLL
• Triple YUV 8-bit Analog-to-Digital Converter (ADC)
• Horizontal compression
• Field rate up-conversion (50 to 100 Hz or 60 to 120 Hz)
• 4:1:1 digital I/O interface
• Digital CTI (DCTI)
• Digital luminance peaking
• Triple 10-bit Digital-to-Analog Converter (DAC)
• Memory controller
• Embedded microprocessor
• 16 kbyte ROM
• 256 byte RAM
• I2C-bus interface
• Synchronous No parity Eight bit Reception and Transmission (SNERT) interface.