SAA7102 Overview
ORDERING INFORMATION QUICK REFERENCE DATA BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Reset conditions Input formatter RGB LUT Cursor insertion RGB Y-CB-CR matrix Horizontal scaler Vertical scaler and anti-flicker filter FIFO Border generator Oscillator and Discrete Time Oscillator (DTO) Low-pass Clock Generation Circuit (CGC) Encoder RGB processor Triple DAC Timing generator I2C-bus interface Programming the...
SAA7102 Key Features
- Digital PAL/NTSC encoder with integrated high quality scaler and anti-flicker filter for TV output from a PC
- 27 MHz crystal-stable subcarrier generation
- Maximum graphics pixel clock 45 MHz at double edged clocking, synthesized on-chip or from external source
- Up to 800 × 600 graphics data at 60 Hz or 50 Hz with programmable underscan range
- Three Digital-to-Analog Converters (DACs) at 27 MHz sample rate for CVBS (BLUE, CB), VBS (GREEN, CVBS) and C (RED, CR) (
- Non-interlaced CB-Y-CR or RGB input at maximum 4 : 4 : 4 sampling
- Downscaling from 1 : 1 to 1 : 2 and up to 20% upscaling
- Optional interlaced CB-Y-CR input Digital Versatile Disk (DVD)
- Optional non-interlaced RGB output to drive second VGA monitor (bypass mode, maximum 45 MHz)
- 3 × 256 bytes RGB Look-Up Table (LUT)