GENERAL DESCRIPTION
The SAA4978H is a monolithic integrated circuit suitable either for 1fHor 2fHapplications that contain a large variety of picture improvement functions. It combines analog-to-digital and digital-to-analog conversion for YUV signals, digital processing, line-locked clock regeneration and an 80C51 microcontroller core in one IC.

FEATURES
• Clamp
• Analog AGC
• Triple YUV 9-bit Analog-to-Digital Converter (ADC)
• Triple bypassable analog anti-alias filter
• 4 MHz notch filter
• Non-linear phase filter after ADC
• 4:1:1 or 4:2:2 digital processing
• 4:1:1 or 4:2:2 selectable I/O interface
• Asynchronous digital input
• Time base correction
• Histogram analysis
• Histogram modification
• Subtitle detection
• Black bar detection
• Line memory based noise reduction (spatial)
• Noise level measurement
• Clamp noise reduction
• Dynamic peaking
• Energy measurement
• Multi Picture-In-Picture (multi PIP) decimation
• Differential Pulse Code Modulation (DPCM) data decompression for colour
• 2D-peaking and coring
• Non-linear phase filter before DAC
• Coaxial Transceiver Interface (CTI)
• Triple 10-bit Digital-to-Analog Converter (DAC)
• Triple bypassable analog reconstruction filter
• Embedded microcontroller (80C51 core)
• Programmable signal positioner
• SNERT interface
• I2C-bus user control interface
• Boundary Scan Test (BST).