Definitions for "Memory management unit"
Keywords:  mmu, pmmu, amu, virtual, motorola
a part of a processor, or a separate component, that implements virtual memory functions. A MMU translates virtual addresses from the processor into real addresses for the memory. [SILC99
Any component that performs address mapping in a Macintosh computer. In Macintosh II computers, it is either the Address Management Unit (AMU) or the Paged Memory Management Unit (PMMU). The MMU function is built into the MC68030 and MC68040 microprocessors.
(MMU) (n.) In hardware, memory address mapping. Usually, the virtual addresses are mapped to physical addresses, but each system is different. See also physical address space, virtual address.
Keywords:  venturecom