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CL-GD620 - Cirrus Logic

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CL-GD620 VGA Controller

PRELIMINARY DATA SHEET July,"" 1989 FEATURES • Direct interface to dual-line, dual panel LCDs • Full backwards compatibility at the hardware level • 256 color modes mapped to 32 gray shades on LCD • Text & graphics scaling to fit LCD resolution • Programmable for 8 or 16 bit PC bus interface • Hardware graphics pointer and caret • Fully compatible with GD51.

Features


• Direct interface to dual-line, dual panel LCDs
• Full backwards compatibility at the hardware level
• 256 color modes mapped to 32 gray shades on LCD
• Text & graphics scaling to fit LCD resolution
• Programmable for 8 or 16 bit PC bus interface
• Hardware graphics pointer and caret
• Fully compatible with GD510N520A VGA chipset
• Software selectable support for LCD, Plasma, EL and digital/analog CRT displays
• Intelligent 8/16 bit Video Memory read/write interface from the microprocessor
• Can work with multi-frequency synthesizer IC
• 32 bit non-multiplexed Video Memory interface
• Support.

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