DIGITAL-LOGIC AG
MSMVGA Manual V1.0
7
3
VGA, LCD
3.1 VGA / LCD Controller 65540/45
The 65540 High Performance Flatpanel/CRT VGA controller
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High integrated design (flatpanel/CRT VGA controller, RAMDAC, clock synthesizer)
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Local Bus (32 Bit CPU)
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Flexible display memory configurations
– Two
256Kx16 DRAM (1024 KB)
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Advanced frame buffer architecture uses available display memory, maximizing integration and
minimizing chip count
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Integrated programmable linear address feature accelerates GUI performance
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Hardware windows acceleration (65545)
- 32-Bit graphics engine
- System-to-screen and screen-to-screen BitBlt
- 3 operand ROPs
- Color expansion
- Optimized for Windows
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BitBlt format
- Hardware line drawing
- 64x64x2 hardware cursor
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Hardware pop-up icon (65545)
- 64x64 pixels by 4 colors
- 128x128 pixels by 2 colors
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High performance resulting from zero wait-state writes (write buffer) and minimum wait-state reads
(internal asynchronous FIFO design)
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Mixed 3.3 V / 5.0 V +/- 10 % Operation
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Supports panel resolutions up to 1280 x 1024, including 800x600 and 1024x768
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Supports non-interlaced CRT monitors with resolutions up to 1024 x 768 / 256 colors
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True-color and Hi-color display capability with flatpanels and CRT monitors up to 640x480
resolution
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Direct interface to Color and Monochrome Dual Drive (DD) and Single Drive (SS) panels (supports
8, 9, 12, 15, 16, 18 and 24-Bit data interfaces)
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Advanced power management features minimize power consumption during:
- Normal operation
- Standby (Sleep) modes
- Panel-Off Power-Saving Mode
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Flexible onboard Activity Timer facilitates ordered shut-down of the display system
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Power Sequencing control outputs regulate application of Bias voltage, +5 V to the panel and
+12 V to the inverter for backlight operation
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SMARTMAP
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intelligent color to gray scale conversion enhances text legibility
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Text enhancement feature improves white text contrast on flatpanel displays
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Fully Compatible with IBM
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VGA
