A new real-time data intercept method for high resolution digital video singal is proposed based on DVI interface.The method uses dynamic real-time adjustable range starting point and data packet by line-buffer.Real-time intercepting of high resolution images data and real-time transport with decreasing frequency are realised by FPGA embedded Dual-port FIFO.This design can eliminate the need for an external cache SRAM operation and enlarge image intercept range.It can be widely used in panal display system.
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