PCI总线及其接口芯片的应用.

37Microcontrollers&EmbeddedSystemsNEWPRODUCT&TECHPCI(PeripheralComponentInterconnect)PCI33MHz32PCI13264PCI264MB/s6466MHzPCI528MB/sISA5MB/sEISA33MB/sPCIPCIPCIPCI256PCIPCIPCIPCIFPGACPLDPCIPCIPCICY7C09449PVCypressPCI/PCI2.2CY7C09449PV16KB(SRAM)PCII2O432FIFO50MHz3.3V3.3V5VPCI160TQFPCY7C09449PV1CY7C09449PV64PCIVenderIDDeviceIDRevisionIDHeaderClassCode(Command)I/O(Status)PCI0(BAR0)PCI31~15BIOSPCI32KB31~15BAR0PCICY7C09449PV1CY7C09449PVI/OCY7C09449PVPCII2CEEPROM16KBSRAMI2OPCI2.2PCI16KBI2OI2C38NEWPRODUCT&TECHPCIPCII2CPCI“”CY7C09449PV(ARB_FLAGS)PCI4(L0P0L1P1L2P2L3P3)DMAPCIDMADMADMACY7C09449PVPCI8PCI(DAHBASE)CY7C09449PVI2OI/OIntelligentI/O1.543232FIFO(InboundFree/PostOutboundFree/Post)4FIFOFIFOPCIHosttoLocalDataMailboxLocalToHostDataMaiboxI2CEEPROMCY7C09449PVPCICY7C09449PVPCII2CI2CI2C3I2CNVCMDI2CNVREADI2CNVSTATCY7C09449PVPCI/HINTLINTDMAFIFOFIFO11C3232DSPCY7C09449PVPCIC32DSPCY7C09449PVRSTOUTDC32C32I2C2.2k10k2PLDC32CY7C09449PVA/DC32BOOTLOADEREPROMC32SRAMEEPROMCY7C09449PV2FIFODMAFIFODMAPCIABDSPAADMABBBDMADMA1.PCI.19972CY7C09449PVDataManual.Cypress20003TomShanleyDonAnderson.PCISystemArchitecture.Mindshare2000[14:0]/KBI2O0x0000-0x03FF10x4000-0x07FF10x0800-0x1FFF6PCI0x2000-0x3FFF80x4000-0x7FFF16I2CA/DTMS320C32EPROMSRAMEEPROMPCICY7C09449PVPLD