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1、A62. c/B62A61+DV+DV*1 /er! /B61+5V+5V-R60A69REQ64ACK64.c /. f- /A*飞59A58+bv+ovADOAD1ACCC k tCB58A57B57ASSAD2GNDGNDAD3AD4AD5AD6+3.3V23VAD7C/BEOAD8accc kiriR56A55B55A54B54A53R53A52R52A49R49A4RADVGNUGNDAD10AD11AD12AD 13GND+3.3VAD14AD15C/BE1PAR+33VR48A47B47A46B46A45R45A44-R44A43飞43A42一 A44需GNDSERRSBOa 3
2、VSDONEPE RR+3.3VLOCKSTOPGNDGNDDEVSELTRDY+3.3VGNDIRDYA4Q A3gA犁A373B40B38 nR37B36、B35A3gA网A o 4A34rA32A31FRAMEGND+3.3VC7BE2AD16AD17AD18+3.3VGNDAD19AD20AD21AD22GND+3.3VAD23IDSELC/BE3AD24+3.3VGNDAD25AD 26AD27AD28GND+3.3VAD29AD30AD31B34B32B31A&DR30A9QR9QA 28B28A27B27A?6r R26A 25“R25A24B24A 23B23A8Rp?A21B
3、21A 20B20A19RlQA市rlviE+5Vcz rc r*c-RI8A17A伯GN DH c(J前GND+5VCLKr*c?lclcc，B17B16A1SR15A14R14A133.3V_AUaKEobKV bL)2CRIlS-c zcB13A12LjNUgnuzsk I rz-x k ir-sB12A11GNDGNDRESERVED。PRSNT2+5VRESERVED1RESERVED3PRSNT1+5VINTOINTONTBIN IA4.5Va Cl /. /nRH 010A10A9nB9A8二B8A7l蜜1_ B5A4TDIu.AQIki-A2A1C+1飞6TRSTHVdOZL
4、101S A9-I9dD 9SC UZIpci引脚定义Pin+5V+3.3VUniversalDescriptionAlTRSTTest Logic ResetA2+12V+12VDCA3TMSTest Mdc SelectA4TDITest Data InputA5+5V+5VDCA6INTAInterrupt AA7INTCInterrupt CA8+5V+5VDCA9RES V01Reserved VDCA 1()+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)AllRESV03Reserved VDCA12GND03(OPEN)(OPEN)Groun
5、d or ( )pcn (Key)A13GND05；()PEN)(OPEN)Ground or Open (Key)A14RESVO5Reserved VDCA15RESETResetA16+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)A17GNTGrant PCI useA18GND08GroundA19RESV06Reserved VDCA20AD30Address/Data 30A21+3.3V01+3.3 VDCA22AD28Address/Data 28A23AD26Address/Data 26A24GND10GroundA25A 024Add
6、ress/Data 24A26IDSELInitialization Device SelectA27+3.3V03+3.3 VDCA28AD22Address/Data 22A29AD20Address/Data 20A 30GND12GroundA31AD18Address/Data 18A 32AD 16Addrcss/Dala 16A33+3.3V05+3.3 VDCA 34FRAMEAddress or Data phaseA35GND14GroundA36TRPYTarget ReadyA37GND15GroundA3SSTOPStop Transfer CycleA39+3.3V
7、07+3.3 VPCA 4(iSDONESnoop DoneA41SBOSnoop BackoffA42GND17GroundA43PARParity JA 44AD15Address/Data 15A45+3.3V10+3.3 VDCA46ADI 3Address/Data 13A，AD 11Address/Data 11A41SGND19GroundA49AD9Address/Data 9A 52C/BEOCommand, Bvtc Enable 0A 53+3.3V11+3.3 VDCA 54AD6Address/Data 6A55AD4Address/Data 4A 56GND21Gr
8、oundA 57AD2Address/Data 2A5SADOAddress/Data 0A 59+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)A6(iRE()64Request 64 bit ?A61vccn+5VDCA62VCC13+5VDCA63GNDGroundA64C/BE7#Command, Bvtc Enable 7 7 JA65C/BE5#Command, Byte Enable 5A66+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)A67PAR64Pariiv 64 ? JA68AD62Address
9、/Data 62A69GNDGroundAAD6()Address/Data 60A71AD58Address/Data 58A=2GNDGroundA73AD56Addrcss/Dala 56APAD54Addrcss/Dala 54A75+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)A76AD52Address/Data 52A77AD50Address/Data 50GNDGroundA79AD48Address/Data 48ASdAD46Addrcss/Dala 46A81GNDGroundA 82AD44Address/Data 44A 83A
10、 042Address/Data 42A 84+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)A85A 040Address/Data 40A 86AD38Address/Data 38A87GNDGroundASSAD36Address/Data 36A89AD34Addrcss/Dala 34A90GNDGroundA91AD32Addrcss/Dala 32A92RESReservedA93GNDGroundA94RESReservedBl-12V-12VDCB2TCKTest ClockB3GNDGroundB4TDOTest Data Output
11、B5+5V+5VDCB6+5V+5VDCB7INTBInterrupt BB8INTDInterrupt DB9PRSNT1ReservedBIORES+V I/O (+5 V or +3.3 V)BllPRSNT2A B12GND(OPEN)(OPEN)Ground or Open (Key)B13GND(OPEN)(OPEN)Ground or Open (Key)B14RESReserved VDCB15GNDResetB16CLKClockB17GNDGroundB18REQRequestB19+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B20A
12、D31Addrcss/Dala 31B21AD29Address/Data 29B22GNDGroundB23AD27Address/Data 27B24AD25Addrcss/Dala 25B25+3.3V+3.3VDCB26C/BE3Command, Byte Enable 3B27AD23Address/Data 23B28GNDGroundB29AD21Addrcss/Dala 21B30AD19Addrcss/Dala 19B31+3.3V+3.3 VPCB32AD17Addrcss/Dala 17B33C/BE2Command, Bvtc Enable 2B34GND13Groun
13、dB351RDYInitiator Rcadv JB36+3.3V06+3.3 VDCB37DEVSELDevice SelectB38GND16GroundB39LOCKLock busB40PERKParity Error JB41+3.3V08+3.3 VDCB42SERRSystem ErrorJB43+3.3V09+3.3 VDCB44C/BE1Command, Bvtc Enable 1B45AD14Addrcss/Dala 14B46GND 18GroundAD12Addrcss/Data 12B48AD10Address/Data 10B49GND20GroundB50(OPE
14、N)GND(OPEN)Ground or ( )pcn (Key)B51()PEN)GND(OPEN)Ground or Open (Key)B52AD8Addrcss/Data 8B53AD7Address/Data 7B54+3.3V12+3.3 VDCB55AD5Addrcss/Data 5B56AD3Addrcss/Data 3B57GND22GroundB58ADIAddrcss/Data 1B59VCC08+5 VDCB60ACK64Acknowledge 64 bit ?B61VCCIO+5 VDCB62VCC12+5 VDCB63RESReservedB64GNDGroundB
15、65C/BE6#Command, Bvtc Enable 6B66C/BE4#Command, Bvtc Enable 4， JB67GNDGroundB68AD63Address/Data 63B69AD61Addrcss/Dala 61B70+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B71AD59Address/Data 59B72AD57Address/Data 57B73GNDGroundB74AD55Addrcss/Dala 55B75AD53Address/Data 53B76GNDGroundB77AD51Address/Data 51B
16、78A 049Address/Data 49B79+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B80AD47Addrcss/Dala 47BS1A 045Address/Data 45B82GNDGroundB83AD43Address/Data 43BS4AD41Address/Data 41B85GNDGroundBS6AD39Addruss/Dala 39BS7AD37Addrcss/Data 37BS8+5V+3.3VSignal Rail+V I/O (+5 V or +3.3 V)B89AD35Addrcss/Dala 35B90AD33Address/Data 33B91GNDGroundB92RESReservedB93RESReservedB94GNDGroundpci接口定义