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电子工程专辑
5 年
Cortex-M7内核的Cache是如何提升访问效率的?且看硬核实测
今天痞子衡给大家介绍的是实抓Flash信号波形来看i.MXRT的FlexSPI外设下AHB读访问情形。 上一篇文章 《实抓Flash信号波形来看i.MXRT的FlexSPI外设下AHB读访问情形(有预取)》 里痞子衡抓取了Cache关闭但Prefetch开启下的AHB读访问对应的Flash端时序波形图,我们知道了FlexSPI ...
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