Control structure supporting double data rate (DDR) addressing of audio and video intellectual property (IP) cores
A control structure, audio and video technology, applied in the direction of memory address/allocation/relocation, etc., can solve the problems of complex control structure and inconvenient use of interfaces, and achieve the effect of ensuring accuracy, strong versatility, and improving bandwidth utilization.
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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0028] Such as figure 1 It is a structural diagram of the physical layer of a control structure that supports multiple audio and video IP cores addressing DDR. The physical layer of the control structure includes a port selection state machine, a control state machine, a clock generator, an address generator, and a command generation registers, auto refreshers and datapaths. The port selection state machine includes a plurality of input ports connected to audio and video IP core signals; the input port of the control state machine is respectively connected with the output of the port selection state machine and the clock generator, and the output port of the clock generator is also connected with the output port of the port selection state machine The input port ...
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