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1 Pin Information and Block Diagram .
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1 MPU Interface .
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Bt481A 110 MHz 256-Word Color Palette 15-, 16-, and 24-Bit True Color Power-Down RAMDAC Designed specifically for high-performance color graphics, the Bt481A RAMDAC supports three true-color modes: 15-bit (5:5:5, 32 K colors) TARGA format, 16-bit (5:6:5, 65 K colors) XGA format, and 24-bit BGR (8:8:8, RGB/ BGR, 16.8 M colors) true-color format.
It also supports 8-bit pseudo-color format (256 colors).
The Bt481A has a 256 x 18 (24) lookup table RAM, 15 x 8 (24) overlay registers, and triple 8-bit
BT481A 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 whic
Datasheet Details
BT481A
Brooktree
323.10 KB
110 mhz / 256 word color palette / 24 bit true color power down ramdac.
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