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Chapter 6
Memory Management Unit
This chapter describes the Memory Management Unit (MMU) and how it is used. It contains the
following sections:
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ARM DDI 0301H
ID012310
About the MMU on page 6-2
TLB organization on page 6-4
Memory access sequence on page 6-7
Enabling and disabling the MMU on page 6-9
Memory access control on page 6-11
Memory region attributes on page 6-14
Memory attributes and types on page 6-20
MMU aborts on page 6-27
MMU fault checking on page 6-29
Fault status and address on page 6-34
Hardware page table translation on page 6-36
MMU descriptors on page 6-43
MMU software-accessible registers on page 6-53.
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