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The Design and Realization for the Controlling System of LED Display Screen Based on ARM7(44B0)

Yan Li

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Abstract

This paper provides a solution for the design of LED display screen controlling system based on ARM7(44B0) and the realization of the connection between 44B0 and LED display screen through the change of LCD port of 44B0 by utilizing CPLD.With the powerful data processing ability and copious image and graphic functions of the imbedded system,the LED display screen is able to display images and graphics in numerous forms.This paper provides a blue print for the design of the hardware and software for the system and the logic design for the scheduling of CPLD which is a valuable reference for practical applications.

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What this paper is about

This paper provides a solution for the design of LED display screen controlling system based on ARM7(44B0) and the realization of the connection between 44B0 and LED display screen through the change of LCD port of 44B0 by utilizing CPLD.With the powerful data processing ability and copious image and graphic functions of the imbedded system,the LED display screen is able to display images and graphics in numerous forms.This paper provides a blue print for the design of the hardware and software for the system and the logic design for the scheduling of CPLD which is a valuable reference for practical applications.

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Available abstract

This paper provides a solution for the design of LED display screen controlling system based on ARM7(44B0) and the realization of the connection between 44B0 and LED display screen through the change of LCD port of 44B0 by utilizing CPLD.With the powerful data processing ability and copious image and graphic functions of the imbedded system,the LED display screen is able to display images and graphics in numerous forms.This paper provides a blue print for the design of the hardware and software for the system and the logic design for the scheduling of CPLD which is a valuable reference for practical applications.

Key concepts: Complex programmable logic device, LED display, Computer hardware, Realization (probability), Graphics, Liquid-crystal display, Software, Computer science

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