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