Memory management unit with programmable EDAC descriptors
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United States of America Patent
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Aug 19, 2003
Grant Date -
Nov 22, 2001
app pub date -
Apr 9, 2001
filing date -
May 11, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A memory management unit (MMU) of a digital processing system operating in a virtual address domain and a physical address domain comprises a memory programmable to store translation mappings between virtual addresses and physical addresses of the processing system. The memory is also programmable to store control codes representative of EDAC protection corresponding to the translation mappings. A method of operating the memory management unit (MMU) comprises the steps of: programming a memory of the MMU with virtual to physical address translation mappings; and programming the memory of the MMU with control codes representative of EDAC protection corresponding to the translation mappings.
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