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STMicro ships LCD drivers for XGA, SXGA displays

Posted: 17 Feb 2003 ?? ?Print Version ?Bookmark and Share

Keywords:stmicroelectronics? ade3700? ade3700x? ade3700xt? ade3700sx?

STMicroelectronics has introduced the ADE3700 family of analog input LCD display engines for XGA (1,024-by-768 pixels) and SXGA (1,280-by-1,024 pixels) resolutions in both conventional and 'smart panel' displays.

The drivers include a 140MHz, 9-bit ADC/PLL; on-screen display controller; 1s automatic set-up; sRGB color warp; frame-lock operation; and multiple EMI reduction techniques. Also included is a 3G, context-sensitive scaler, which upscales images by 5:1 and downscales them by 2:1.

The automatic set-up feature, called IQsync, configures phase, clock, level, and position, and continuously calibrates itself to minimize user intervention. It automatically detects input activity and is compatible with all standard VESA and GTF modes.

A programmable timer controller available in the ADE3700XT provides highly programmable support for XGA 'smart panels'. It also offers dual-function TTL and RSDS output signals, as well as flicker detection and reduction.

Multiple EMI reduction techniques include flexible data inversion, transition minimization, per pin delay, adaptive slew-rate control outputs, differential clock, and programmable spread-spectrum digital frequency modulation of the output clock.

Both the ADE3700X and ADE3700XT provide XGA resolution at up to 75kHz and come in a 128-pin PQFP, while the ADE3700SX drives LCD panels with SXGA resolution up to 75MHz and comes in a 128-pin LQFP.





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