Filter
Top Products
www.ti.com
4.3ConfigurationSwitchFabric
SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
Table4-1.SCRConnectionMatrix
DDR2MEMORY
TCP2VCP2McBSPsUTOPIA2CONFIGURATIONSCRPCIEMIFAMEGAMODULE
CONTROLLER
TC0YYNNNNYYY
TC1NNYYYYYYY
TC2NNNNNYYYY
TC3NNNNNYYYY
EMACNNNNNNYYY
HPINNNNYNYYY
PCINNNNYNYYY
SRIO
(1)
NNNNYNYYY
MegamoduleYYYYYYYYN
(1)AppliestobothdescriptoranddataaccessesbytheSRIOperipheral.
Figure4-2showstheconnectionbetweentheC64x+Megamoduleandtheconfigurationswitchedcentral
resource(SCR).TheconfigurationSCRismainlyusedbytheC64x+Megamoduletoaccessperipheral
registers.ThedataSCRalsohasaconnectiontotheconfigurationSCRwhichallowsmasterstoaccess
mostperipheralregisters.TheonlyregistersnotaccessiblebythedataSCRthroughtheconfiguration
SCRarethedeviceconfigurationregistersandthePLL1andPLL2controllerregisters;thesecanbe
accessedonlybytheC64x+Megamodule.
TheconfigurationSCRuses32bitconfigurationbusesrunningatSYSCLK2frequency.SYSCLK2is
suppliedbythePLL1controllerandisfixedatafrequencyequaltotheCPUfrequencydividedby3.
SystemInterconnect 84SubmitDocumentationFeedback