PCI总线定义
PCI 是 Peripheral Component Interconnect 的缩写
PCI 标准 32位/64位 接口卡
----------------------------------------------------------------
| PCI 元件侧 （B面） |
| |
| |
| |
| ____ 32 位引脚部分 64 位引脚部分 ___|
|___| |||||||--|||||||||||||||||--|||||||--||||||||||||||
^ ^ ^ ^ ^ ^ ^ ^
b01 b11 b14 b49 b52 b62 b63 b94
PCI 5V 32/64位卡
| optional |
| ____ 32 位引脚部分 64 位引脚部分 ___|
|___| ||||||||||||||||||||||||||--|||||||--||||||||||||||
PCI 3.3V 32/64位卡
| optional |
| ____ 32 位引脚部分 64 位引脚部分 ___|
|___| |||||||--||||||||||||||||||||||||||--||||||||||||||
| Pin |
+5V |
+3.3V |
Universal |
Description |
| A1 |
TRST |
|
|
Test Logic Reset |
| A2 |
+12V |
|
|
+12 VDC |
| A3 |
TMS |
|
|
Test Mde Select |
| A4 |
TDI |
|
|
Test Data Input |
| A5 |
+5V |
|
|
+5 VDC |
| A6 |
INTA |
|
|
Interrupt A |
| A7 |
INTC |
|
|
Interrupt C |
| A8 |
+5V |
|
|
+5 VDC |
| A9 |
RESV01 |
|
|
Reserved VDC |
| A10 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| A11 |
RESV03 |
|
|
Reserved VDC |
| A12 |
GND03 |
(OPEN) |
(OPEN) |
Ground or Open (Key) |
| A13 |
GND05 |
(OPEN) |
(OPEN) |
Ground or Open (Key) |
| A14 |
RESV05 |
|
|
Reserved VDC |
| A15 |
RESET |
|
|
Reset |
| A16 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| A17 |
GNT |
|
|
Grant PCI use |
| A18 |
GND08 |
|
|
Ground |
| A19 |
RESV06 |
|
|
Reserved VDC |
| A20 |
AD30 |
|
|
Address/Data 30 |
| A21 |
+3.3V01 |
|
|
+3.3 VDC |
| A22 |
AD28 |
|
|
Address/Data 28 |
| A23 |
AD26 |
|
|
Address/Data 26 |
| A24 |
GND10 |
|
|
Ground |
| A25 |
AD24 |
|
|
Address/Data 24 |
| A26 |
IDSEL |
|
|
Initialization Device Select |
| A27 |
+3.3V03 |
|
|
+3.3 VDC |
| A28 |
AD22 |
|
|
Address/Data 22 |
| A29 |
AD20 |
|
|
Address/Data 20 |
| A30 |
GND12 |
|
|
Ground |
| A31 |
AD18 |
|
|
Address/Data 18 |
| A32 |
AD16 |
|
|
Address/Data 16 |
| A33 |
+3.3V05 |
|
|
+3.3 VDC |
| A34 |
FRAME |
|
|
Address or Data phase |
| A35 |
GND14 |
|
|
Ground |
| A36 |
TRDY |
|
|
Target Ready |
| A37 |
GND15 |
|
|
Ground |
| A38 |
STOP |
|
|
Stop Transfer Cycle |
| A39 |
+3.3V07 |
|
|
+3.3 VDC |
| A40 |
SDONE |
|
|
Snoop Done |
| A41 |
SBO |
|
|
Snoop Backoff |
| A42 |
GND17 |
|
|
Ground |
| A43 |
PAR |
|
|
Parity |
| A44 |
AD15 |
|
|
Address/Data 15 |
| A45 |
+3.3V10 |
|
|
+3.3 VDC |
| A46 |
AD13 |
|
|
Address/Data 13 |
| A47 |
AD11 |
|
|
Address/Data 11 |
| A48 |
GND19 |
|
|
Ground |
| A49 |
AD9 |
|
|
Address/Data 9 |
| A52 |
C/BE0 |
|
|
Command, Byte Enable 0 |
| A53 |
+3.3V11 |
|
|
+3.3 VDC |
| A54 |
AD6 |
|
|
Address/Data 6 |
| A55 |
AD4 |
|
|
Address/Data 4 |
| A56 |
GND21 |
|
|
Ground |
| A57 |
AD2 |
|
|
Address/Data 2 |
| A58 |
AD0 |
|
|
Address/Data 0 |
| A59 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| A60 |
REQ64 |
|
|
Request 64 bit ??? |
| A61 |
VCC11 |
|
|
+5 VDC |
| A62 |
VCC13 |
|
|
+5 VDC |
| |
|
|
|
|
| A63 |
GND |
|
|
Ground |
| A64 |
C/BE[7]# |
|
|
Command, Byte Enable 7 |
| A65 |
C/BE[5]# |
|
|
Command, Byte Enable 5 |
| A66 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| A67 |
PAR64 |
|
|
Parity 64 ??? |
| A68 |
AD62 |
|
|
Address/Data 62 |
| A69 |
GND |
|
|
Ground |
| A70 |
AD60 |
|
|
Address/Data 60 |
| A71 |
AD58 |
|
|
Address/Data 58 |
| A72 |
GND |
|
|
Ground |
| A73 |
AD56 |
|
|
Address/Data 56 |
| A74 |
AD54 |
|
|
Address/Data 54 |
| A75 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| A76 |
AD52 |
|
|
Address/Data 52 |
| A77 |
AD50 |
|
|
Address/Data 50 |
| A78 |
GND |
|
|
Ground |
| A79 |
AD48 |
|
|
Address/Data 48 |
| A80 |
AD46 |
|
|
Address/Data 46 |
| A81 |
GND |
|
|
Ground |
| A82 |
AD44 |
|
|
Address/Data 44 |
| A83 |
AD42 |
|
|
Address/Data 42 |
| A84 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| A85 |
AD40 |
|
|
Address/Data 40 |
| A86 |
AD38 |
|
|
Address/Data 38 |
| A87 |
GND |
|
|
Ground |
| A88 |
AD36 |
|
|
Address/Data 36 |
| A89 |
AD34 |
|
|
Address/Data 34 |
| A90 |
GND |
|
|
Ground |
| A91 |
AD32 |
|
|
Address/Data 32 |
| A92 |
RES |
|
|
Reserved |
| A93 |
GND |
|
|
Ground |
| A94 |
RES |
|
|
Reserved |
| |
|
|
|
|
| B1 |
-12V |
|
|
-12 VDC |
| B2 |
TCK |
|
|
Test Clock |
| B3 |
GND |
|
|
Ground |
| B4 |
TDO |
|
|
Test Data Output |
| B5 |
+5V |
|
|
+5 VDC |
| B6 |
+5V |
|
|
+5 VDC |
| B7 |
INTB |
|
|
Interrupt B |
| B8 |
INTD |
|
|
Interrupt D |
| B9 |
PRSNT1 |
|
|
Reserved |
| B10 |
RES |
|
|
+V I/O (+5 V or +3.3 V) |
| B11 |
PRSNT2 |
|
|
?? |
| B12 |
GND |
(OPEN) |
(OPEN) |
Ground or Open (Key) |
| B13 |
GND |
(OPEN) |
(OPEN) |
Ground or Open (Key) |
| B14 |
RES |
|
|
Reserved VDC |
| B15 |
GND |
|
|
Reset |
| B16 |
CLK |
|
|
Clock |
| B17 |
GND |
|
|
Ground |
| B18 |
REQ |
|
|
Request |
| B19 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| B20 |
AD31 |
|
|
Address/Data 31 |
| B21 |
AD29 |
|
|
Address/Data 29 |
| B22 |
GND |
|
|
Ground |
| B23 |
AD27 |
|
|
Address/Data 27 |
| B24 |
AD25 |
|
|
Address/Data 25 |
| B25 |
+3.3V |
|
|
+3.3VDC |
| B26 |
C/BE3 |
|
|
Command, Byte Enable 3 |
| B27 |
AD23 |
|
|
Address/Data 23 |
| B28 |
GND |
|
|
Ground |
| B29 |
AD21 |
|
|
Address/Data 21 |
| B30 |
AD19 |
|
|
Address/Data 19 |
| B31 |
+3.3V |
|
|
+3.3 VDC |
| B32 |
AD17 |
|
|
Address/Data 17 |
| B33 |
C/BE2 |
|
|
Command, Byte Enable 2 |
| B34 |
GND13 |
|
|
Ground |
| B35 |
IRDY |
|
|
Initiator Ready |
| B36 |
+3.3V06 |
|
|
+3.3 VDC |
| B37 |
DEVSEL |
|
|
Device Select |
| B38 |
GND16 |
|
|
Ground |
| B39 |
LOCK |
|
|
Lock bus |
| B40 |
PERR |
|
|
Parity Error |
| B41 |
+3.3V08 |
|
|
+3.3 VDC |
| B42 |
SERR |
|
|
System Error |
| B43 |
+3.3V09 |
|
|
+3.3 VDC |
| B44 |
C/BE1 |
|
|
Command, Byte Enable 1 |
| B45 |
AD14 |
|
|
Address/Data 14 |
| B46 |
GND18 |
|
|
Ground |
| B47 |
AD12 |
|
|
Address/Data 12 |
| B48 |
AD10 |
|
|
Address/Data 10 |
| B49 |
GND20 |
|
|
Ground |
| B50 |
(OPEN) |
GND |
(OPEN) |
Ground or Open (Key) |
| B51 |
(OPEN) |
GND |
(OPEN) |
Ground or Open (Key) |
| B52 |
AD8 |
|
|
Address/Data 8 |
| B53 |
AD7 |
|
|
Address/Data 7 |
| B54 |
+3.3V12 |
|
|
+3.3 VDC |
| B55 |
AD5 |
|
|
Address/Data 5 |
| B56 |
AD3 |
|
|
Address/Data 3 |
| B57 |
GND22 |
|
|
Ground |
| B58 |
AD1 |
|
|
Address/Data 1 |
| B59 |
VCC08 |
|
|
+5 VDC |
| B60 |
ACK64 |
|
|
Acknowledge 64 bit ??? |
| B61 |
VCC10 |
|
|
+5 VDC |
| B62 |
VCC12 |
|
|
+5 VDC |
| |
|
|
|
|
| B63 |
RES |
|
|
Reserved |
| B64 |
GND |
|
|
Ground |
| B65 |
C/BE[6]# |
|
|
Command, Byte Enable 6 |
| B66 |
C/BE[4]# |
|
|
Command, Byte Enable 4 |
| B67 |
GND |
|
|
Ground |
| B68 |
AD63 |
|
|
Address/Data 63 |
| B69 |
AD61 |
|
|
Address/Data 61 |
| B70 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| B71 |
AD59 |
|
|
Address/Data 59 |
| B72 |
AD57 |
|
|
Address/Data 57 |
| B73 |
GND |
|
|
Ground |
| B74 |
AD55 |
|
|
Address/Data 55 |
| B75 |
AD53 |
|
|
Address/Data 53 |
| B76 |
GND |
|
|
Ground |
| B77 |
AD51 |
|
|
Address/Data 51 |
| B78 |
AD49 |
|
|
Address/Data 49 |
| B79 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| B80 |
AD47 |
|
|
Address/Data 47 |
| B81 |
AD45 |
|
|
Address/Data 45 |
| B82 |
GND |
|
|
Ground |
| B83 |
AD43 |
|
|
Address/Data 43 |
| B84 |
AD41 |
|
|
Address/Data 41 |
| B85 |
GND |
|
|
Ground |
| B86 |
AD39 |
|
|
Address/Data 39 |
| B87 |
AD37 |
|
|
Address/Data 37 |
| B88 |
+5V |
+3.3V |
Signal Rail |
+V I/O (+5 V or +3.3 V) |
| B89 |
AD35 |
|
|
Address/Data 35 |
| B90 |
AD33 |
|
|
Address/Data 33 |
| B91 |
GND |
|
|
Ground |
| B92 |
RES |
|
|
Reserved |
| B93 |
RES |
|
|
Reserved |
| B94 |
GND |
|
|
Ground |