Pico-communications E-14 Uživatelský manuál stáhnout pdf (Strana 8)

E‐14HardwareReferenceManual www.picocomputing.com PicoComputing,Inc.

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PowerPC™Processor

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PPC405x3ProcessorIntroduction:

FPGAsarerenownedfortheirabilitytoprocessparallellogic,buttheytypicallyhaveahardtime

emulatingahighperformanceprocessor.TogetthebestofbothworldstheVirtex‐4™featuresan

embeddedPowerPCProcessor.SincetheprocessorsharesthesamedieastheFPGAitseamlessly

interfaceswiththeFPGAfabric.

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AnewfeatureoftheVitex‐4FPGAistheadditionofanauxiliaryprocessorinterface.TheAPUisthe

highestspeedinterfacebetweenthePower‐PC™processorandtheFPGAfabric.Uptofourcustom

instructionsmaybeimplementedintheFPGA,whichareaccessiblefromthePower‐PC™.

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BoardsupportpackagesarecurrentlyavailableforμC/OS,LinuxandIntegrity.Boardsupportsource

codeisavailableopensourceundertheGPL.

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Pico-communications E-14 Uživatelský manuál Strana 8