Double-screen different-image graphic generating system

Abstract

The invention discloses a double-screen different-image graphic generating system. The system comprises a comprehensive programmable device and a DDR3 SDRAM frame memory device which are connected, wherein the comprehensive programmable device comprises an ARM processor, a multi-port DDR3 SDRAM controller, a first DDR3 SDRAM frame memory reading and writing module, a first data conversion module, a second data conversion module, a second DDR3 SDRAM frame memory reading and writing module, a thirddata conversion module, a fourth data conversion module and a timing sequence generation module; the DDR3 SDRAM frame memory device comprises a first buffer module, a second buffer module, a third buffer module, a fourth buffer module, a fifth buffer module and a sixth buffer module. The double-screen different-image graphic generating system is characterized by high circuit integration level, low power consumption and small size; synchronous output of double-screen different-image frames can be achieved, and the double-screen frames can be spliced into a complete frame; data bandwidth is high, and processing speed is high; graphic generation efficiency is high, and dynamic frame display is smooth; compatibility is high, and the system can support various high-resolution frames.

Description

technical field [0001] The invention relates to a graphic generation system, in particular to a dual-screen heterogeneous image graphic generation system. Background technique [0002] Graphics generation circuit is an important component of liquid crystal display, which is composed of various digital circuit devices. For LCD display. With the wide application of large-screen liquid crystal displays in the airborne cockpit, the dual-screen heterogeneous graphics generation circuit has become an important part of the cockpit graphics display system. Existing graphics generation circuits generally use digital processing devices DSP, programmable logic devices FPGA, and random access frame memory devices SRAM as main processing components. The digital processor runs the graphics algorithm program and is responsible for generating graphic data. The processor assists in the generation of complex graphics data, and the random access frame memory device is used to temporarily sto...

AI Technical Summary

Problems solved by technology

This kind of circuit has the following defects: large circuit scale, low integration and reliability, low graphics generation efficiency, and difficulty in realizing cross-screen synchronous dynamic display

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