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请问C64X的edma是否支持64bit的emif外部数据读写，edma设置如何区分32b和64b。
谢谢
你好，要根据具体的芯片的datasheet，TMS320C6000 DSP EDMA Controller Reference Guide ，详细看一下。在EDMA Channel Options Parameter (OPT）寄存器中有对esize的选择。我看了一下是没有64bit的选择的，最大32bit。
