Geode GXLV Processor Series Low Power Integrated x86 Solutions

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Geode GXLV Processor SeriesProcessor Programming (Continued)Segment Selector15 0INDEXLogicalAddressReal and Virtual 8086 ModesLogical Addressx16Base+Addressp = Paging mechanism for virtual 8086 mode onlyINSTRUCTION OFFSETLinearAddresspPhysicalAddressSegmentMain MemoryProtected ModeLogical AddressSegment Selector15 3 2 1 0INDEX TI RPL INSTRUCTION OFFSET÷8Segment DescriptorBaseAddress+LinearAddresspPhysicalAddressSegmentGDT or LDT Descriptor TableMain Memoryp = Paging mechanismFigure 3-6. Selector Mechanismswww.national.com 68 Revision 1.3
Processor Programming (Continued)SelectorIn SegmentRegisterSelector Load Instruction15 0INDEX TI RPLSegmentDescriptorGlobal DescriptorTableTI = 0Segment RegisterSelected By DecodedInstructionSegmentCachingCached Segmentand DescriptorCachedSelectorUsed IfAvailableSegmentBaseAddressGeode GXLV Processor SeriesTI = 1SegmentDescriptorLocal DescriptorTableFigure 3-7.Selector Mechanism CachingRevision 1.3 69 www.national.com
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Geode GXLV Processor SeriesTable of
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Geode GXLV Processor SeriesArchitec
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Architecture Overview (Continued)Ge
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Power Management (Continued)5.2.2 I
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Power Management (Continued)5.3 POW
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Power Management (Continued)Table 5
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Electrical Specifications (Continue
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Instruction Set (Continued)Table 7-
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Instruction Set (Continued)7.5 MMX
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Package Specifications (Continued)C
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Geode GXLV Processor Series Low Pow
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