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Design of LED display screen control circuit with CPLD

Liu Zhi-long

Abstract

The paper introduced development situation of LED video display technology at present and development trend in the country, and present mainly LED video display systemic structure and primary technology principle, such as principle of systemic display, realization of dot-matrix devices circuit, LED display screen display structure, and display feature. The design tide of display control system, and the methods of design sequential control circuits with new device CPLD M4A5-128/64-10VC are given.

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Available abstract

Key concepts: LED display, Complex programmable logic device, Computer science, Display device, Computer hardware, Realization (probability), Feature (linguistics), Electronic circuit