PCI总线界定

PCI 是 Peripheral Component Interconnect 的简称。接口卡的外型:
PCI 规范 32位系统/64位 接口卡

Pin

5V

3.3V

DescripTIon

Pin

5V

3.3V

DescripTIon

A1

TRST

Test Logic Reset

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

上一篇：ir2104中文资料详细（ir2104引脚图_特点和技术参数及驱动电路)

下一篇：ir2110驱动mos管详解