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