MN89302

For Information Equipment MN89302 SVGA Display Controller Overview The MN89302 is an LCD/CRT display controller with IBM™ VGA-compatible registers. It features all the necessary interfaces for a compact display system: ISA bus interface, local bus interface, DRAM interface, and LCD panel interface. The built-in graphics acceleration functions include support for bit-block transfers (BITBLT) and hardware cursor. Note: IBM™ and VGA are registered trademarks of International Business Machines Corporation. Features Monochrome STN LCD panel support Maximum display size: 800 × 600 Support for single and dual panels 32-monochrome gradation Color STN LCD panel support Maximum display size: 800 × 600 Support for single and dual panels 32-gradation for each color (RGB) Color TFT LCD panel support Maximum display size: 800 × 600 5-bit output for red and blue; 6-bit output for green Maximum number of colors in concurrent display 320 × 240: 64k (TFT, STN) 640 × 480: 256/260K palette (TFT, STN) 800 × 600: 256/260K palette (TFT, STN) Built-in graphics acceleration functions Bit-block transfers (BITBLT) to and from host video memory and within video memory Hardware cursor (16 × 16 or 32 × 32) Built-in automatic display centering Built-in gradation control table (rewritable) for optimizing gradation to match panel DRAM interface with 16-bit bus Support for 2CAS/2WE mode Refresh control Host interfaces ISA bus (16-bit) i386/i486 local bus (16-bit) Note: i386 and i486 are trademar...