PCI總線引腳定義(精)

1、pJ|+5+3.3VDescriptiolA1TRSTTestLogicResetA2+12V+12VDCA3TMSTestMdeSelectA4TDITestDataInputA5+5V+5VDCA6INTAInterruptAA7INTCInterruptCA8+5V+5VDCA9RESV01ReservedVDCA10+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)A11RESV03ReservedVDCA12GND03(OPEN)(OPEN)GroundorOpen(Key)A13GND05(OPEN)(OPEN)GroundorOpen(Key)A14RESV0

2、5ReservedVDCA15RESETResetA16+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)A17GNTGrantPCIuseA18GND08GroundA19RESV06ReservedVDCA20AD30Address/Data30A21+3.3V01+3.3VDCA22AD28Address/Data28A23AD26Address/Data26A24GND10GroundA25AD24Address/Data24A26IDSELInitializationDeviceSelectA27+3.3V03+3.3VDCA28AD22Address/Data2

3、2A29AD20Address/Data20A30GND12GroundA31AD18Address/Data18A32AD16Address/Data16A33+3.3V05+3.3VDCA34FRAMEAddressorDataphaseA35GND14GroundA36TRDYTargetReadyA37GND15GroundA38STOPStopTransferCycleA39+3.3V07+3.3VDCA40SDONESnoopDoneA41SBOSnoopBackoffA42GND17GroundA43PARParityA44AD15Address/Data15A45+3.3V10

4、+3.3VDCA46AD13Address/Data13A47AD11Address/Data11A48GND19GroundA49AD9Address/Data9A52C/BEOCommand,ByteEnable0A53+3.3V11+3.3VDCA54AD6Address/Data6A55AD4Address/Data4A56GND21GroundA57AD2Address/Data2A58AD0Address/Data0A59+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)A60REQ64Request64bit?A61VCC11+5VDCA62VCC13+5VD

5、CA63GNDGroundA64C/BE7#Command,ByteEnable7A65C/BE5#Command,ByteEnable5A66+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)A67PAR64Parity64?A68AD62Address/Data62A69GNDGroundA70AD60Address/Data60A71AD58Address/Data58A72GNDGroundA73AD5fAddress/Data56A74AD5,Address/Data54A75+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)A76AD5：&g

6、t;Address/Data52A77AD5()Address/Data50A78GNDGroundA79AD4fAddress/Data48A80AD4(Address/Data46A81GNDGroundA82AD4,Address/Data44A83AD4：Address/Data42A84+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)A85AD4()Address/Data40A86AD3fAddress/Data38A87GNDGroundA88AD3(Address/Data36A89AD3,Address/Data34A90GNDGroundA91AD3：

7、Address/Data32A92RESReservedA93GNDGroundA94RESReservedB1-12V-12VDCB2TCKTestClockB3GNDGroundB4TDOTestDataOutputB5+5V+5VDCB6+5V+5VDCB7INTBInterruptBB8INTEInterruptDB9PRSNT1ReservedB10RES+VI/O(+5Vor+3.3V)B11PRSNT2?B12GND(OPEN)(OPEN)GroundorOpen(Key)B13GND(OPEN)(OPEN)GroundorOpen(Key)B14RESReservedVDCB1

8、5GNDResetB16CLKClockB17GNDGroundB18REQRequestB19+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)B20AD31Address/Data31B21AD29Address/Data29B22GNDGroundB23AD27Address/Data27B24AD25Address/Data25B25+3.3V+3.3VDCB26C/BE3Command,ByteEnable3B27AD23Address/Data23B28GNDGroundB29AD21Address/Data21B30AD19Address/Data19B31+

9、3.3V+3.3VDCB32AD17Address/Data17B33C/BE2Command,ByteEnable2B34GND13GroundB35IRDYInitiatorReadyB36+3.3V06+3.3VDCB37DEVSELDeviceSelectB38GND16GroundB39LOCKLockbusB40PERRParityErrorB41+3.3V08+3.3VDCB42SERRSystemErrorB43+3.3V09+3.3VDCB44C/BE1Command,ByteEnable1B45AD14Address/Data14B46GND18GroundB47AD12A

10、ddress/Data12B48AD10Address/Data10B49GND20GroundB50(OPEN)GND(OPEN)GroundorOpen(Key)B51(OPEN)GND(OPEN)GroundorOpen(Key)B52AD8Address/Data8B53AD7Address/Data7B54+3.3V12+3.3VDCB55AD5Address/Data5B56AD3Address/Data3B57GND22GroundB58AD1Address/Data1B59VCC08+5VDCB60ACK64Acknowledge64bit?B61VCC10+5VDCB62VC

11、C12+5VDCB63RESReservedB64GNDGroundB65C/BE6#Command,ByteEnable6B66C/BE4#Command,ByteEnable4B67GNDGroundB68AD63Address/Data63B69AD61Address/Data61B70+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)B71AD59Address/Data59B72AD57Address/Data57B73GNDGroundB74AD55Address/Data55B75AD53Address/Data53B76GNDGroundB77AD51Address/Data51B78AD49Address/Data49B79+5V+3.3VSignalRail+VI/O(+5Vor+3.3V)B80AD47Address/Data47B81AD45Address/Data45B82GNDGroundB83AD43Address/Data43B84AD41Address/Data41B85GNDGrou