标签: layoutguide

K811NX_layoutguide_R0ACONFIDENTIALDOCUMENTFORINTERNALUSEPT11NXLayoutGuidelineR0Av0.112/14/2005TABLEOFCONTENTS1.PCBBoardspec31.1Boardstackup31.2TraceImpedanceControl31.3GeneralTrace/Space31.4TechnicalSpecificationSummary42.Hypertransportbus52.1HypertransportCLK52.2CK8HTfunction62.3GigabitLanController–“Broadcombcm4401”73.AMDDDR1--MemoryBus,CLKBus,CADBus83.1OperationalEnvironment84.CK8/IO4HTCMDFunction84.1OperationalEnvironment85.PCIExpressFun……