pci引脚定义 pci 接口定义.doc
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1、-作者xxxx-日期xxxxpci引脚定义 pci 接口定义【精品文档】pci引脚定义Pin+5VUniversalDescriptionA1TRSTTest Logic ResetA2+12V+12 VDCA3TMSTest Mde SelectA4TDITest Data InputA5+5V+5 VDCA6INTAInterrupt AA7INTCInterrupt CA8+5V+5 VDCA9RESV01Reserved VDCA10+5VSignal Rail+V I/O (+5 V or +3.3 V)A11RESV03Reserved VDCA12GND03(OPEN)(OPEN
2、)Ground or Open (Key)A13GND05(OPEN)(OPEN)Ground or Open (Key)A14RESV05Reserved VDCA15RESETResetA16+5VSignal Rail+V I/O (+5 V or +3.3 V)A17GNTGrant PCI useA18GND08GroundA19RESV06Reserved VDCA20AD30Address/Data 30A21+3.3 VDCA22AD28Address/Data 28A23AD26Address/Data 26A24GND10GroundA25AD24Address/Data
3、24A26IDSELInitialization Device SelectA27+3.3 VDCA28AD22Address/Data 22A29AD20Address/Data 20A30GND12GroundA31AD18Address/Data 18A32AD16Address/Data 16A33+3.3 VDCA34FRAMEAddress or Data phaseA35GND14GroundA36TRDYTarget ReadyA37GND15GroundA38STOPStop Transfer CycleA39+3.3 VDCA40SDONESnoop DoneA41SBOS
4、noop BackoffA42GND17GroundA43PARParityA44AD15Address/Data 15A45+3.3 VDCA46AD13Address/Data 13A47AD11Address/Data 11A48GND19GroundA49AD9Address/Data 9A52C/BE0Command, Byte Enable 0A53+3.3 VDCA54AD6Address/Data 6A55AD4Address/Data 4A56GND21GroundA57AD2Address/Data 2A58AD0Address/Data 0A59+5VSignal Rai
5、l+V I/O (+5 V or +3.3 V)A60REQ64Request 64 bit ?A61VCC11+5 VDCA62VCC13+5 VDCA63GNDGroundA64C/BE7#Command, Byte Enable 7A65C/BE5#Command, Byte Enable 5A66+5VSignal Rail+V I/O (+5 V or +3.3 V)A67PAR64Parity 64 ?A68AD62Address/Data 62A69GNDGroundA70AD60Address/Data 60A71AD58Address/Data 58A72GNDGroundA
6、73AD56Address/Data 56A74AD54Address/Data 54A75+5VSignal Rail+V I/O (+5 V or +3.3 V)A76AD52Address/Data 52A77AD50Address/Data 50A78GNDGroundA79AD48Address/Data 48A80AD46Address/Data 46A81GNDGroundA82AD44Address/Data 44A83AD42Address/Data 42A84+5VSignal Rail+V I/O (+5 V or +3.3 V)A85AD40Address/Data 4
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