2009•Automation and InstrumentationRequires access

Study and design of VGA image controller based on Nios II

Guo Hai-l

Abstract

VGA(Video Graphics Array) as a standard display interface has been widely used.With the rapid development of embedded systems,in particular the development of high-speed image processing,displaying real-time image processing has more needs.Based on the principle of VGA display,abandoneding VGA display dedicated chip and using SOPC(Programmable System-on-Chip) technology,Nios Ⅱ 32-bit processor soft-core is embedded FPGA(Field Programmable Gate Arrays).Through programming the DMA control module and VGA display and control module,VGA image display controller is desiged.VGA display system based on this method is a small size,low power consumption and high reliability.

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Key concepts: Video Graphics Array, Field-programmable gate array, Nios II, Embedded system, Computer hardware, Controller (irrigation), Computer science, Interface (matter)