Even CPUs like the ARM cores have caches, usually 16K, occasionally 32K, and even larger L2 caches (512K).
Well, MCUs tend to have a buffer for execute in place from flash, but often they just have SRAM as main memory which can be accessed with a fixed latency and there is not much point in having a cache.
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Well, MCUs tend to have a buffer for execute in place from flash, but often they just have SRAM as main memory which can be accessed with a fixed latency and there is not much point in having a cache.