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C6748 DMA数据传输问题

如图所示,FPGA采集数据,通过UPP传输给DSP,而这里C6748还没涉及算法,只是DMA来把数据从内存-另一个内存。但是数据不能及时从以太网口发出,好像处理非常慢...这是为什么啊...这里的数据量非常小啊...