Research on LCD-VGA Conversion Technology Based on ARM Microprocessor

Shaowei Wu


LVDS-VGA conversion design for embedded system is proposed by using VGA interface timing as standard, ARM chip S59V210 as CPU, and D/A chip SDA7123 for signal conversion, On one hand, LCD controller of S5PV210 chip is configured to allow digital signals to be generated via LVDS interface. On the other hand, D/A chip SDA7123 converts digital signals into analog signals, enabling normal video displaying on VGA interface terminal. This solution has been proven to deliver good display results for video signals of varying resolution, like 800*600, 1024*768. It features low system impact, high efficiency and reliability, suitable to be widely adopted in embedded application.


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