Distinguishing Features

110 MHz Operation

Supports 8:8:8:8, 24-bit true color

and VGA overlay

Supports 8:8:8 24-bit RGB/BGR

selectable true-color format

Supports 5:6:5 XGA true-color

format

Supports 5:5:5 TARGA true-color

format

Replaces Bt471/475/476/477/478

which are pin compatible

Power-on reset for internal

registers

Power-down mode

Antisparkle circuitry

Analog output conparators

Triple 6-bit (8-bit) D/A converters

256 x 18 (24) color palette RAM

15 x 18 (24) overlay registers

Optional internal voltage reference

Programmable pedestal

Sync on all three channels

Standard MPU interface

44-pin PLCC package

Applications

• High-resolution color graphics

• CAE/CAD/CAM

• Image processing

• Instrumentation

• Desktop publishing

• Laptop computers