pci插槽引脚信号定义中文说明

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1、PCI插槽引脚信号定义中文说明 引脚编号信号名称引脚编号信号名称B1-12VA1#TRSTB2TCKA2+12VB3GNDA3TMSB4TDOA4TDIB5+5VA5+5VB6+5VA6#INTAB7#INTBA7#INTCB8#INTDA8+5VB9#PRSNT1A9NAB10NAA10+5VI/OB11#PRSNT2A11NAB12GNDA12GNDB13GNDA13GNDB14NAA14NAB15GNDA15#RSTB16CLKA16+5VI/OB17GNDA17#GNTB18#REQA18GNDB19+5VI/OA19NAB2

2、0AD31A20AD30B21AD29A21+3.3VB22GNDA22AD28B23AD27A23AD26B24AD25A24GNDB25+3.3VA25AD24B26C/#BE3A26IDSELB27AD23A27+3.3VB28GNDA28AD22B29AD21A29AD20B30AD19A30GNDB31+3.3VA31AD18B32AD17A32AD16B33C/#BE2A33+3.3VB34GNDA34#FRAMEB35#IRDYA35GNDB36+3.3VA36#TRDYB37#DEVSELA37GNDB38GNDA38

3、#STOPB39#LOCKA39+3.3VB40#PERRA40SDONEB41+3.3VA41#SBOB42#SERRA42GNDB43+3.3VA43PARB44C/#BE1A44AD15B45AD14A45+3.3VB46GNDA46AD13B47AD12A47AD11B48AD10A48GNDB49GNDA49AD9B50KEYA50KEYB51KEYA51KEYB52AD8A52C/#BE0B53AD7A53+3.3VB54+3.3VA54AD6B55AD5A55AD4B56AD3A56GNDB57GNDA57AD2B58A

4、D1A58AD0B59+5VI/OA59+5VI/OB60#ACK64A60#REQ64B61+5VA61+5VB62+5VKEYA62+5VKEYB63NAA63GNDB64GNDA64C/#BE7B65C/#BE6A65C/#BE5B66C/#BE4A66+5VI/OB67GNDA67PAR64B68AD63A68AD62B69AD61A69GNDB70+5VI/OA70AD60B71AD59A71AD58B72AD57A72GNDB73GNDA73AD56B74AD55A74AD54B75AD53A75+5VI/OB76GNDA

5、76AD52B77AD51A77AD50B78AD49A78GNDB79+5VI/OA79AD48B80AD47A80AD46B81AD45A81GNDB82GNDA82AD44B83AD43A83AD42B84AD41A84+5VI/OB85GNDA85AD40B86AD39A86AD38B87AD37A876GNDB88+5VI/OA88AD36B89AD35A89AD34B90AD33A90GNDB91GNDA91AD32B92NAA92NAB93NAA93GNDB94GNDA94NA标准5V32位/64位PCI插槽引脚信号一览

6、表  PCI信号定义说明（中文版） 1. AD[31:0]  (PCI ADDRESS / DATA BUS)             地址与数据总线讯号,在FRAME#启动后地址才有效,在             PCLK第一个CLOCK 动作初始化时,FRAME#动作后,输出             为地址与数据,写入周期,输入为数据,读取周期 TRDY# 与              IRDY#会动作,高阻抗时,为数据转换周期或RESET#动作2. C/BE[3:0]# (PCI COMMAND /BYTE ENABLES)  

7、            FRAME#启动后,CLOCK第一个CLOCK,周期为PCI命令,             再下一个周期为允许命令,命令在FRAME#后有效,数据在             TRDY#与IRDY#后有效3. DEVSEL# (PCI DEVSEL SELECT)             确定外部外围连结之响应讯号,高阻抗时,为停止周期或RE             SET#动作时4. FRAME# (PCI CYCLE FRAME)               PCI 总线起始讯号             5.

8、 GNT[4:0]# (PCI BUS GRANT)               PCI 总线控制认可讯号6. IRDY# (INITIATOR READY)             数据读取写入讯号7. LOCK# (