
Philips Electronics
GENERAL DESCRIPTION
The SAB9075H is a picture-in-picture controller for the NTSC environment in combination with the Integrated NTSC decoder and sync processor TDA8315.
FEATURES
Display
• One or two live pictures can be displayed simultaneously
• Wide range of multi-Picture-In-Picture (PIP) modes available
• Six 6-bit Analog-to-Digital Converters (ADC) with clamping circuit
• Enhanced vertical resolution at most modes for live pictures
• Two Phase-Locked-Loops (PLL) with Voltage Controlled Oscillator (VCO) to generate the line-locked clocks
• Three 7-bit Digital-to-Analog Converters (DAC)
• 4 : 1 : 1 data format
• Data reduction factors 1 to 4, 1 to 9 and 1 to 16.
I2C-bus programmable
• Different single, double and multi-PIP modes can be set
• Several aspect ratios can be handled
• Reduction factors can be set automatically and manually
• Selection of vertical filtering type
• Freeze of live pictures
• Single-PIP display position, four corners on-screen
• Multi-PIP display position, left or right on-screen
• Fine tuned display position, H (6-bit), V (6-bit)
• Fine tuned acquisition area, H (4-bit), V (4-bit)
• Channel-border and live PIP selectable
• Eight main-border, sub-border, channel-border and background colours selectable
• Border and background brightness adjustable, 30%, 50%, 70% and 100% IRE
• Several types of decoder input signals can be set
• 6-bit HUE and SAT signals (0 to 5 V) adjustable by I2C-bus
• Main and sub-audio mute controllable by I2C-bus.