EP2AGX260FF35I3N
摘要:1–12Chapter1:OverviewfortheArriaIIDeviceFamilyArriaIIDeviceArchitectureAuto-CalibratingExternalMemoryInterfaces■I/Ostructureenhancedtoprovideflexibleandcost-effectivesupportfordifferenttypesofmemoryinterfaces■ContainsfeaturessuchasOCTandDQ/DQSpingroupingstoenablerapidandrobustimplementationofdifferentmemorystandards■Anauto-calibratingmegafunctionisavailableintheQuartusIIsoftwareforDDRSDRAM,DDR2SDRAM,DDR3SDRAM,RLDRAMIImemoryinterfacePHYs;themegafunctiontakesadvantageofthePLLdynamicreconfigurationfeaturetocalibratebasedonthechangesofprocess,voltage,andtemperature(PVT).fForthemaximumclockratessupportedinAltera'sFPGAdevices,refertotheExternalMemoryInterfaceSpecEstimatoronlinetool.fFo
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