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PCI总线引脚定义

时间:2012-11-24  来源:123485.com  作者:9stone

PCI 是 Peripheral Component Interconnect 的缩写

引脚定义

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


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