Pico Communications E-14 Computer Hardware User Manual


 
E14HardwareReferenceManual www.picocomputing.com PicoComputing,Inc.
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PowerPC™Processor
PPC405x3ProcessorIntroduction:
FPGAsarerenownedfortheirabilitytoprocessparallellogic,buttheytypicallyhaveahardtime
emulatingahighperformanceprocessor.TogetthebestofbothworldstheVirtex4™featuresan
embeddedPowerPCProcessor.SincetheprocessorsharesthesamedieastheFPGAitseamlessly
interfaceswiththeFPGAfabric.
AnewfeatureoftheVitex4FPGAistheadditionofanauxiliaryprocessorinterface.TheAPUisthe
highestspeedinterfacebetweenthePowerPC™processorandtheFPGAfabric.Uptofourcustom
instructionsmaybeimplementedintheFPGA,whichareaccessiblefromthePowerPC™.
BoardsupportpackagesarecurrentlyavailableforμC/OS,LinuxandIntegrity.Boardsupportsource
codeisavailableopensourceundertheGPL.