Abstract
A digital scheme of display based on FPGA was designed,with SRAM cache architecture of Ping-pong operation.And a design of interface system for 256 level gray scale display has been realized by the method of sub-frame,with digital time gray technology.Simulation and test results indicate that the system can give off suitable control signals and drive the screen.Besides,by means of Ping-pong operation,the responsive efficiency of display screen is improved efficaciously,and the application area is widened.
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