Geode GXLV Processor Series Low Power Integrated x86 Solutions

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Geode GXLV Processor SeriesIntegrated Functions (Continued)4.3.6 Memory CyclesFigures 4-5 through 4-8 illustrate various memory cyclesthat the memory controller supports. The following subsectionsdescribe some of the supported cycles.SDCLKCS#RAS#SDRAM Read CycleFigure 4-5 shows a SDRAM read cycle. The figureassumes that a previous ACT command has presentedthe row address for the read operation. Note that the burstlength for the READ command is always two.CAS#WE#MACOL nDQMMDn n+1Figure 4-5. Basic Read Cycle with a CAS Latency of Twowww.national.com 120 Revision 1.3
Integrated Functions (Continued)SDRAM Write CycleFigure 4-6 shows a SDRAM write cycle. The burst length for the WRT command is two.SDCLKCS#RAS#CAS#Geode GXLV Processor SeriesWE#MACOL nMDn n+1DQMn n+1Figure 4-6. Basic Write CycleRevision 1.3 121 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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Architecture Overview (Continued)SD
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2.0 Signal DefinitionsThis section
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Signal Definitions (Continued)Index
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Signal Definitions (Continued)PinNo
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Signal Definitions (Continued)PinNo
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Power Management (Continued)CPU Sus
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Electrical Specifications (Continue
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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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Geode GXLV Processor Series Low Power Integrated x86 Solutions

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