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10.PCI是PeripheralComponentInterconnect的缩写接口卡的外观PCI标准32位/64位接口卡----------------------------------------------------------------|PCI元件侧(B面)||||||||____32位引脚部分64位引脚部分___||___||||||||--|||||||||||||||||--|||||||--||||||||||||||^^^^^^^^b01b11b14b49b52b62b63b94PCI5V32/64位卡|optional||____32位引脚部分64位引脚部分___||___|||||||||||||||||||||||||||--|||||||--||||||||||||||PCI
3.3V32/64位卡|optional||____32位引脚部分64位引脚部分___||___||||||||--||||||||||||||||||||||||||--|||||||||||||| Pin+5V+
3.3VUniversalDescriptionA1TRST TestLogicResetA2+12V +12VDCA3TMS TestMdeSelectA4TDI TestDataInputA5+5V +5VDCA6INTA InterruptAA7INTC InterruptCA8+5V +5VDCA9RESV01 ReservedVDCA10+5V+
3.3VSignalRail+VI/O+5Vor+
3.3VA11RESV03 ReservedVDCA12GND03OPENOPENGroundorOpenKeyA13GND05OPENOPENGroundorOpenKeyA14RESV05 ReservedVDCA15RESET ResetA16+5V+
3.3VSignalRail+VI/O+5Vor+
3.3VA17GNT GrantPCIuseA18GND08 GroundA19RESV06 ReservedVDCA20AD30 Address/Data30A21+
3.3V01 +
3.3VDCA22AD28 Address/Data28A23AD26 Address/Data26A24GND10 GroundA25AD24 Address/Data24A26IDSEL InitializationDevi__SelectA27+
3.3V03 +
3.3VDCA28AD22 Address/Data22A29AD20 Address/Data20A30GND12 GroundA31AD18 Address/Data18A32AD16 Address/Data16A33+
3.3V05 +
3.3VDCA34FRAME AddressorDataphaseA35GND14 GroundA36TRDY TargetReadyA37GND15 GroundA38STOP StopTransferCycleA39+
3.3V07 +
3.3VDCA40SDONE SnoopDoneA41__O SnoopBackoffA42GND17 GroundA43PAR ParityA44AD15 Address/Data15A45+
3.3V10 +
3.3VDCA46AD13 Address/Data13A47AD11 Address/Data11A48GND19 GroundA49AD9 Address/Data9A52C/BE0 Com__ndByteEnable0。