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OMAP-L138 EMIFA异步模式访问效率对比

附件通过EDMA访问下的波形与CPU访问的波形对比,明示了EDMA访问效率。

另外,disable EMIFA的SDRAM的刷新位对于EMIFA访问的效率的提升通常是被人忽略的,也在这里以波形强调出来供大家参考。

OMAP-L138 EMIFA访问效率.pdf