memory management unit
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computer hardware unit having all memory references passed through itself, primarily performing the translation of virtual memory addresses to physical addresses
~40 min read
Encyclopedic overview
A 68451 MMU, which could be used with the Motorola 68010 VLSI VI475 MMU Apple HMMU from the Macintosh II used with the Motorola 68020
A memory management unit (MMU), sometimes called paged memory management unit (PMMU), is a computer hardware unit that examines all references to memory, and translates the memory addresses being referenced, known as virtual memory addresses, into physical addresses in main memory.
Excerpted from Wikipedia’s “memory management unit” article, available under the CC BY-SA 4.0 licence.