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C6678 EDMA多通道访问内存导致CPU响应中断延迟



C6678多核芯片开发过程中,使用多个EDMA通道同时访问内存的同时,发现定时器的中断间隔抖动比较大,CPU响应中断有一定的延迟,延迟时间跟EDMA访问数据量大小相关,是否是EDMA占用了总线,导致CPU等待总线导致的中断延迟?是否可以配置寄存器改善这种情况?