— 56 —8-7-2. Block DiagramLower 32-bit data64-bit data (store)CPGINTCSCI(SCIF)RTCTMUExternal (SH) businterfaceDMAC32-bit data29-bit address32-bit dataAddress32-bit data32-bit dataUpper 32-bit data32-bit address (instructions)32-bit data (instructions)32-bit address (data)Peripheral address bus26-bitSH busaddress32-bitPCIaddress/data32-bitSH busdataPeripheral data busUBC32-bit data (store)32-bit data (load)CPUI cache O cacheITLB UTLBCache andTLBcontrollerFPUBSC: Bus state controllerCPG: Clock pulse generatorDMAC: Direct memory access controllerFPU: Floating-point unitINTC: Interrupt controllerITLB: Instruction TLB (translation lookaside buffer)UTLB: Unified TLB (translation lookaside buffer)RTC: Realtime clockSCI: Serial communication interfaceSCIF: Serial communication interface with FIFOTMU: Timer unitUBC: User break controllerPCIC: PCI bus controller32-bit dataPCICBSCAddress(PCI)DMAC