Micros Systems Workstation 5, Руководство по обслуживанию

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2-12 Workstation 5 Field Service Guide
Workstation 5 System Board Technical Descriptions
TFT LCD and Backlight Interface
TFT LCD and Backlight Interface
REF: ABRD88 - Sheets 27
Figure 2-5 displays a block diagram of the LX800 Processor with the TFT
controller sections highlighted. The LX800 graphics interface consists of the
Graphics Processor (GP), the Display Controller (DC) and the Video Processor
(VP).
Figure 2-5: LX800 Graphics Processor Block Diagram
The Graphics Processor (GP)
The Graphics Processor is based on the Graphics processor used in the Geode
Processor, but adds the GeodeLink memory interface and other features to
support improved performance and functionality.
The GP is a BitBLT/vector graphics engine, that supports pattern generation,
source expansion, pattern/source transparency, 256 ternary raster operations,
alpha blenders to support alpha-BLTs, incorporated BLT FIFOs, and
GeodeLink interface.