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.