PCI总线定义
PCI 是 Peripheral Component Interconnect 的缩写。接口卡的外观:
PCI 标准 32位/64位 接口卡
|
Pin |
+5V |
+3.3V |
Description |
Pin |
+5V |
+3.3V |
Description |
|
A1 |
TRST |
|
B1 |
-12V |
|
-12 VDC | |
|
A2 |
+12V |
|
+12 VDC |
B2 |
TCK |
|
Test Clock |
|
A3 |
TMS |
|
Test Mde Select |
B3 |
GND |
|
Ground |
|
A4 |
TDI |
|
Test Data Input |
B4 |
TDO |
|
Test Data Output |
|
A5 |
+5V |
|
+5 VDC |
B5 |
+5V |
|
+5 VDC |
|
A6 |
INTA |
|
Interrupt A |
B6 |
+5V |
|
+5 VDC |
|
A7 |
INTC |
|
Interrupt C |
B7 |
INTB |
|
Interrupt B |
|
A8 |
+5V |
|
+5 VDC |
B8 |
INTD |
|
Interrupt D |
|
A9 |
RESV01 |
|
Reserved VDC |
B9 |
PRSNT1 |
|
Reserved |
|
A10 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
B10 |
RES |
|
+V I/O (+5 V or +3.3 V) |
|
A11 |
RESV03 |
|
Reserved VDC |
B11 |
PRSNT2 |
|
?? |
|
A12 |
GND03 |
(OPEN) |
Ground or Open (Key) |
B12 |
GND |
(OPEN) |
Ground or Open (Key) |
|
A13 |
GND05 |
(OPEN) |
Ground or Open (Key) |
B13 |
GND |
(OPEN) |
Ground or Open (Key) |
|
A14 |
RESV05 |
|
Reserved VDC |
B14 |
RES |
|
Reserved VDC |
|
A15 |
RESET |
|
Reset |
B15 |
GND |
|
Reset |
|
A16 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
B16 |
CLK |
|
Clock |
|
A17 |
GNT |
|
Grant PCI use |
B17 |
GND |
|
Ground |
|
A18 |
GND08 |
|
Ground |
B18 |
REQ |
|
Request |
|
A19 |
RESV06 |
|
Reserved VDC |
B19 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
|
A20 |
AD30 |
|
Address/Data 30 |
B20 |
AD31 |
|
Address/Data 31 |
|
A21 |
+3.3V01 |
|
+3.3 VDC |
B21 |
AD29 |
|
Address/Data 29 |
|
A22 |
AD28 |
|
Address/Data 28 |
B22 |
GND |
|
Ground |
|
A23 |
AD26 |
|
Address/Data 26 |
B23 |
AD27 |
|
Address/Data 27 |
|
A24 |
GND10 |
|
Ground |
B24 |
AD25 |
|
Address/Data 25 |
|
A25 |
AD24 |
|
Address/Data 24 |
B25 |
+3.3V |
|
+3.3VDC |
|
A26 |
IDSEL |
|
Initialization Device Select |
B26 |
C/BE3 |
|
Command, Byte Enable 3 |
|
A27 |
+3.3V03 |
|
+3.3 VDC |
B27 |
AD23 |
|
Address/Data 23 |
|
A28 |
AD22 |
|
Address/Data 22 |
B28 |
GND |
|
Ground |
|
A29 |
AD20 |
|
Address/Data 20 |
B29 |
AD21 |
|
Address/Data 21 |
|
A30 |
GND12 |
|
Ground |
B30 |
AD19 |
|
Address/Data 19 |
|
A31 |
AD18 |
|
Address/Data 18 |
B31 |
+3.3V |
|
+3.3 VDC |
|
A32 |
AD16 |
|
Address/Data 16 |
B32 |
AD17 |
|
Address/Data 17 |
|
A33 |
+3.3V05 |
|
+3.3 VDC |
B33 |
C/BE2 |
|
Command, Byte Enable 2 |
|
A34 |
FRAME |
|
Address or Data phase |
B34 |
GND13 |
|
Ground |
|
A35 |
GND14 |
|
Ground |
B35 |
IRDY |
|
Initiator Ready |
|
A36 |
TRDY |
|
Target Ready |
B36 |
+3.3V06 |
|
+3.3 VDC |
|
A37 |
GND15 |
|
Ground |
B37 |
DEVSEL |
|
Device Select |
|
A38 |
STOP |
|
Stop Transfer Cycle |
B38 |
GND16 |
|
Ground |
|
A39 |
+3.3V07 |
|
+3.3 VDC |
B39 |
LOCK |
|
Lock bus |
|
A40 |
SDONE |
|
Snoop Done |
B40 |
PERR |
|
Parity Error |
|
A41 |
SBO |
|
Snoop Backoff |
B41 |
+3.3V08 |
|
+3.3 VDC |
|
A42 |
GND17 |
|
Ground |
B42 |
SERR |
|
System Error |
|
A43 |
PAR |
|
Parity |
B43 |
+3.3V09 |
|
+3.3 VDC |
|
A44 |
AD15 |
|
Address/Data 15 |
B44 |
C/BE1 |
|
Command, Byte Enable 1 |
|
A45 |
+3.3V10 |
|
+3.3 VDC |
B45 |
AD14 |
|
Address/Data 14 |
|
A46 |
AD13 |
|
Address/Data 13 |
B46 |
GND18 |
|
Ground |
|
A47 |
AD11 |
|
Address/Data 11 |
B47 |
AD12 |
|
Address/Data 12 |
|
A48 |
GND19 |
|
Ground |
B48 |
AD10 |
|
Address/Data 10 |
|
A49 |
AD9 |
|
Address/Data 9 |
B49 |
GND20 |
|
Ground |
|
A52 |
C/BE0 |
|
Command, Byte Enable 0 |
B50 |
(OPEN) |
GND |
Ground or Open (Key) |
|
A53 |
+3.3V11 |
|
+3.3 VDC |
B51 |
(OPEN) |
GND |
Ground or Open (Key) |
|
A54 |
AD6 |
|
Address/Data 6 |
B52 |
AD8 |
|
Address/Data 8 |
|
A55 |
AD4 |
|
Address/Data 4 |
B53 |
AD7 |
|
Address/Data 7 |
|
A56 |
GND21 |
|
Ground |
B54 |
+3.3V12 |
|
+3.3 VDC |
|
A57 |
AD2 |
|
Address/Data 2 |
B55 |
AD5 |
|
Address/Data 5 |
|
A58 |
AD0 |
|
Address/Data 0 |
B56 |
AD3 |
|
Address/Data 3 |
|
A59 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
B57 |
GND22 |
|
Ground |
|
A60 |
REQ64 |
|
Request 64 bit ??? |
B58 |
AD1 |
|
Address/Data 1 |
|
A61 |
VCC11 |
|
+5 VDC |
B59 |
VCC08 |
|
+5 VDC |
|
A62 |
VCC13 |
|
+5 VDC |
B60 |
ACK64 |
|
Acknowledge 64 bit ??? |
|
|
|
|
|
B61 |
VCC10 |
|
+5 VDC |
|
A63 |
GND |
|
Ground |
B62 |
VCC12 |
|
+5 VDC |
|
A64 |
C/BE[7]# |
|
Command, Byte Enable 7 |
|
|
|
|
|
A65 |
C/BE[5]# |
|
Command, Byte Enable 5 |
B63 |
RES |
|
Reserved |
|
A66 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
B64 |
GND |
|
Ground |
|
A67 |
PAR64 |
|
Parity 64 ??? |
B65 |
C/BE[6]# |
|
Command, Byte Enable 6 |
|
A68 |
AD62 |
|
Address/Data 62 |
B66 |
C/BE[4]# |
|
Command, Byte Enable 4 |
|
A69 |
GND |
|
Ground |
B67 |
GND |
|
Ground |
|
A70 |
AD60 |
|
Address/Data 60 |
B68 |
AD63 |
|
Address/Data 63 |
|
A71 |
AD58 |
|
Address/Data 58 |
B69 |
AD61 |
|
Address/Data 61 |
|
A72 |
GND |
|
Ground |
B70 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
|
A73 |
AD56 |
|
Address/Data 56 |
B71 |
AD59 |
|
Address/Data 59 |
|
A74 |
AD54 |
|
Address/Data 54 |
B72 |
AD57 |
|
Address/Data 57 |
|
A75 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
B73 |
GND |
|
Ground |
|
A76 |
AD52 |
|
Address/Data 52 |
B74 |
AD55 |
|
Address/Data 55 |
|
A77 |
AD50 |
|
Address/Data 50 |
B75 |
AD53 |
|
Address/Data 53 |
|
A78 |
GND |
|
Ground |
B76 |
GND |
|
Ground |
|
A79 |
AD48 |
|
Address/Data 48 |
B77 |
AD51 |
|
Address/Data 51 |
|
A80 |
AD46 |
|
Address/Data 46 |
B78 |
AD49 |
|
Address/Data 49 |
|
A81 |
GND |
|
Ground |
B79 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
|
A82 |
AD44 |
|
Address/Data 44 |
B80 |
AD47 |
|
Address/Data 47 |
|
A83 |
AD42 |
|
Address/Data 42 |
B81 |
AD45 |
|
Address/Data 45 |
|
A84 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
B82 |
GND |
|
Ground |
|
A85 |
AD40 |
|
Address/Data 40 |
B83 |
AD43 |
|
Address/Data 43 |
|
A86 |
AD38 |
|
Address/Data 38 |
B84 |
AD41 |
|
Address/Data 41 |
|
A87 |
GND |
|
Ground |
B85 |
GND |
|
Ground |
|
A88 |
AD36 |
|
Address/Data 36 |
B86 |
AD39 |
|
Address/Data 39 |
|
A89 |
AD34 |
|
Address/Data 34 |
B87 |
AD37 |
|
Address/Data 37 |
|
A90 |
GND |
|
Ground |
B88 |
+5V |
+3.3V |
+V I/O (+5 V or +3.3 V) |
|
A91 |
AD32 |
|
Address/Data 32 |
B89 |
AD35 |
|
Address/Data 35 |
|
A92 |
RES |
|
Reserved |
B90 |
AD33 |
|
Address/Data 33 |
|
A93 |
GND |
|
Ground |
B91 |
GND |
|
Ground |
|
A94 |
RES |
|
Reserved |
B92 |
RES |
|
Reserved |