Electrical computers and digital processing systems: memory – Addressing combined with specific memory configuration or... – Addressing extended or expanded memory
Reexamination Certificate
2007-12-18
2007-12-18
Nguyen, T (Department: 2187)
Electrical computers and digital processing systems: memory
Addressing combined with specific memory configuration or...
Addressing extended or expanded memory
C711S202000
Reexamination Certificate
active
11304099
ABSTRACT:
Techniques for extending memory addressing with more accessing range are disclosed. According to one aspect of the techniques, an apparatus for extending addressing space comprises a plurality of extended memories, each being allocated an unique identifier, a direct addressing memory reserving a data cell as a public identifier cell for receiving the identifier of each of the extended memories to be accessed, a decision unit determining that which one of the extended memories is to be accessed by comparing an identifier received by the public identifier cell with the identifier of each of the extended memories, and a mapping unit mapping one of the extended memories determined by the decision unit to be accessed onto the direct addressing memory so that the one of the extended memories can be indirectly accessed by directly accessing the direct addressing memory.
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Cheng Qingyun
Dong Xin
Jin Chuanen
Li Gongcheng
Nguyen T
Vimicro Corporation
Zheng Joe
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