ARM CPU, Cache Memory, MMU, Memory Controller

Registers and ALU unit is the core internal unit of ARM CPU. Now there is a vital part which works in conjunction to ALU. This is Memory Management Unit or MMU. MMU translates CPU virtual address to physical address by means of data objects called translation look aside buffer(TLB). There is CPU Cache unit next to MMU and before system BUS. This unit holds instruction cache, data cache and TLB cache.

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