SD1200

Highly integrated analog interfac XGA/SXGA TFT LCD Display Controller
Handle both 24-bit and 48-bit sampled RGB input up to SXGA (1280x1024) @ 85Hz
Support various PC graphics cards
Drive 48-bit digital RGB output to SXGA (1280x1024) @ 75Hz
Support various TFT LCD panels
Truly !Plug and Display! no special driver running on PC
Implement proprietary
SmartDisplay technology for
- input mode detection and aut calibration
- output image scaling and interpolation
- 16.7 million true color suppor for 6 bit panel
- robust detection and handling of invalid input modes
Advanced input mode detection and auto calibration
- input refresh rate detection
- input format detection
- input sync polarity detection
- image expansion
- input frequency detection
- optimal sampling clock phase calibration
Advanced image scaling and interpolation with
- automatic image centering
- automatic image expansion in both horizontal and vertical directions
- programmable horizontal and vertical expansion ratio
- programmable horizontal and vertical interpolation algorithm
True color support for 6 bit panel
- Proprietary dithering based on both intensity and spatial information
- Optional frame modulation
Robust handling of invalid input conditions
- detect no input signal
- detect input signal beyond specified acceptable range
- output status indicators
- generate output signal even when no input signal
Support multiple TFT LCD panels
- programmable output timing parameters to match specifications of various TFT LCD panels
- support power On/Off sequence
- Output signal is synchronized with the input signal with the same frame rate
Low-cost system solution
- no external frame buffer required
- 2-wire I²C serial interface for EEPROM and CPU
- programmable OSD mixer
- direct interface to external ADC's and PLL's
- 160 pin PQFP Package
- 5.0V and 3.3V supply

The SD1200 features:

1.  Input mode detection & auto calibration block
2.  Buffer memory and read/write control block
3.  Image scaling, interpolation and dithering block
4.  OSD mixer and LCD interface block
5.  EEPROM interface block
6.  CPU interface block