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 PCI Express 1x, 4x, 8x, 16x bus - распиновка 

 

PCI Express 1x, 4x, 8x, 16x bus - распиновка

 

PCI-Express 1x Connector Pin-Out



PCI-Express 4x Connector Pin-Out

Pin

Side B Connector

Side A Connector

#

Name

Description

Name

Description

1

+12v

+12 volt power

PRSNT#1

Hot plug presence detect

2

+12v

+12 volt power

+12v

+12 volt power

3

RSVD

Reserved

+12v

+12 volt power

4

GND

Ground

GND

Ground

5

SMCLK

SMBus clock

JTAG2

TCK

6

SMDAT

SMBus data

JTAG3

TDI

7

GND

Ground

JTAG4

TDO

8

+3.3v

+3.3 volt power

JTAG5

TMS

9

JTAG1

+TRST#

+3.3v

+3.3 volt power

10

3.3Vaux

3.3v volt power

+3.3v

+3.3 volt power

11

WAKE#

Link Reactivation

PWRGD

Power Good

Mechanical Key

12

RSVD

Reserved

GND

Ground

13

GND

Ground

REFCLK+

Reference Clock
Differential pair

14

HSOp(0)

Transmitter Lane 0,
Differential pair

REFCLK-

15

HSOn(0)

GND

Ground

16

GND

Ground

HSIp(0)

Receiver Lane 0,
Differential pair

17

PRSNT#2

Hotplug detect

HSIn(0)

18

GND

Ground

GND

Ground

19

HSOp(1)

Transmitter Lane 1,
Differential pair

RSVD

Reserved

20

HSOn(1)

GND

Ground

21

GND

Ground

HSIp(1)

Receiver Lane 1,
Differential pair

22

GND

Ground

HSIn(1)

23

HSOp(2)

Transmitter Lane 2,
Differential pair

GND

Ground

24

HSOn(2)

GND

Ground

25

GND

Ground

HSIp(2)

Receiver Lane 2,
Differential pair

26

GND

Ground

HSIn(2)

27

HSOp(3)

Transmitter Lane 3,
Differential pair

GND

Ground

28

HSOn(3)

GND

Ground

29

GND

Ground

HSIp(3)

Receiver Lane 3,
Differential pair

30

RSVD

Reserved

HSIn(3)

31

PRSNT#2

Hot plug detect

GND

Ground

32

GND

Ground

RSVD

Reserved

 

PCI-Express 8x Connector Pin-Out

Pin

Side B Connector

Side A Connector

#

Name

Description

Name

Description

1

+12v

+12 volt power

PRSNT#1

Hot plug presence detect

2

+12v

+12 volt power

+12v

+12 volt power

3

RSVD

Reserved

+12v

+12 volt power

4

GND

Ground

GND

Ground

5

SMCLK

SMBus clock

JTAG2

TCK

6

SMDAT

SMBus data

JTAG3

TDI

7

GND

Ground

JTAG4

TDO

8

+3.3v

+3.3 volt power

JTAG5

TMS

9

JTAG1

+TRST#

+3.3v

+3.3 volt power

10

3.3Vaux

3.3v volt power

+3.3v

+3.3 volt power

11

WAKE#

Link Reactivation

PWRGD

Power Good

Mechanical Key

12

RSVD

Reserved

GND

Ground

13

GND

Ground

REFCLK+

Reference Clock
Differential pair

14

HSOp(0)

Transmitter Lane 0,
Differential pair

REFCLK-

15

HSOn(0)

GND

Ground

16

GND

Ground

HSIp(0)

Receiver Lane 0,
Differential pair

17

PRSNT#2

Hotplug detect

HSIn(0)

18

GND

Ground

GND

Ground

19

HSOp(1)

Transmitter Lane 1,
Differential pair

RSVD

Reserved

20

HSOn(1)

GND

Ground

21

GND

Ground

HSIp(1)

Receiver Lane 1,
Differential pair

22

GND

Ground

HSIn(1)

23

HSOp(2)

Transmitter Lane 2,
Differential pair

GND

Ground

24

HSOn(2)

GND

Ground

25

GND

Ground

HSIp(2)

Receiver Lane 2,
Differential pair

26

GND

Ground

HSIn(2)

27

HSOp(3)

Transmitter Lane 3,
Differential pair

GND

Ground

28

HSOn(3)

GND

Ground

29

GND

Ground

HSIp(3)

Receiver Lane 3,
Differential pair

30

RSVD

Reserved

HSIn(3)

31

PRSNT#2

Hot plug detect

GND

Ground

32

GND

Ground

RSVD

Reserved

33

HSOp(4)

Transmitter Lane 4,
Differential pair

RSVD

Reserved

34

HSOn(4)

GND

Ground

35

GND

Ground

HSIp(4)

Receiver Lane 4,
Differential pair

36

GND

Ground

HSIn(4)

37

HSOp(5)

Transmitter Lane 5,
Differential pair

GND

Ground

38

HSOn(5)

GND

Ground

39

GND

Ground

HSIp(5)

Receiver Lane 5,
Differential pair

40

GND

Ground

HSIn(5)

41

HSOp(6)

Transmitter Lane 6,
Differential pair

GND

Ground

42

HSOn(6)

GND

Ground

43

GND

Ground

HSIp(6)

Receiver Lane 6,
Differential pair

44

GND

Ground

HSIn(6)

45

HSOp(7)

Transmitter Lane 7,
Differential pair

GND

Ground

46

HSOn(7)

GND

Ground

47

GND

Ground

HSIp(7)

Receiver Lane 7,
Differential pair

48

PRSNT#2

Hot plug detect

HSIn(7)

49

GND

Ground

GND

Ground

 

PCI-Express 16x Connector Pin-Out

Pin

Side B Connector

Side A Connector

#

Name

Description

Name

Description

1

+12v

+12 volt power

PRSNT#1

Hot plug presence detect

2

+12v

+12 volt power

+12v

+12 volt power

3

RSVD

Reserved

+12v

+12 volt power

4

GND

Ground

GND

Ground

5

SMCLK

SMBus clock

JTAG2

TCK

6

SMDAT

SMBus data

JTAG3

TDI

7

GND

Ground

JTAG4

TDO

8

+3.3v

+3.3 volt power

JTAG5

TMS

9

JTAG1

+TRST#

+3.3v

+3.3 volt power

10

3.3Vaux

3.3v volt power

+3.3v

+3.3 volt power

11

WAKE#

Link Reactivation

PWRGD

Power Good

Mechanical Key

12

RSVD

Reserved

GND

Ground

13

GND

Ground

REFCLK+

Reference Clock
Differential pair

14

HSOp(0)

Transmitter Lane 0,
Differential pair

REFCLK-

15

HSOn(0)

GND

Ground

16

GND

Ground

HSIp(0)

Receiver Lane 0,
Differential pair

17

PRSNT#2

Hotplug detect

HSIn(0)

18

GND

Ground

GND

Ground

19

HSOp(1)

Transmitter Lane 1,
Differential pair

RSVD

Reserved

20

HSOn(1)

GND

Ground

21

GND

Ground

HSIp(1)

Receiver Lane 1,
Differential pair

22

GND

Ground

HSIn(1)

23

HSOp(2)

Transmitter Lane 2,
Differential pair

GND

Ground

24

HSOn(2)

GND

Ground

25

GND

Ground

HSIp(2)

Receiver Lane 2,
Differential pair

26

GND

Ground

HSIn(2)

27

HSOp(3)

Transmitter Lane 3,
Differential pair

GND

Ground

28

HSOn(3)

GND

Ground

29

GND

Ground

HSIp(3)

Receiver Lane 3,
Differential pair

30

RSVD

Reserved

HSIn(3)

31

PRSNT#2

Hot plug detect

GND

Ground

32

GND

Ground

RSVD

Reserved

33

HSOp(4)

Transmitter Lane 4,
Differential pair

RSVD

Reserved

34

HSOn(4)

GND

Ground

35

GND

Ground

HSIp(4)

Receiver Lane 4,
Differential pair

36

GND

Ground

HSIn(4)

37

HSOp(5)

Transmitter Lane 5,
Differential pair

GND

Ground

38

HSOn(5)

GND

Ground

39

GND

Ground

HSIp(5)

Receiver Lane 5,
Differential pair

40

GND

Ground

HSIn(5)

41

HSOp(6)

Transmitter Lane 6,
Differential pair

GND

Ground

42

HSOn(6)

GND

Ground

43

GND

Ground

HSIp(6)

Receiver Lane 6,
Differential pair

44

GND

Ground

HSIn(6)

45

HSOp(7)

Transmitter Lane 7,
Differential pair

GND

Ground

46

HSOn(7)

GND

Ground

47

GND

Ground

HSIp(7)

Receiver Lane 7,
Differential pair

48

PRSNT#2

Hot plug detect

HSIn(7)

49

GND

Ground

GND

Ground

50

HSOp(8)

Transmitter Lane 8,
Differential pair

RSVD

Reserved

51

HSOn(8)

GND

Ground

52

GND

Ground

HSIp(8)

Receiver Lane 8,
Differential pair

53

GND

Ground

HSIn(8)

54

HSOp(9)

Transmitter Lane 9,
Differential pair

GND

Ground

55

HSOn(9)

GND

Ground

56

GND

Ground

HSIp(9)

Receiver Lane 9,
Differential pair

57

GND

Ground

HSIn(9)

58

HSOp(10)

Transmitter Lane 10,
Differential pair

GND

Ground

59

HSOn(10)

GND

Ground

60

GND

Ground

HSIp(10)

Receiver Lane 10,
Differential pair

61

GND

Ground

HSIn(10)

62

HSOp(11)

Transmitter Lane 11,
Differential pair

GND

Ground

63

HSOn(11)

GND

Ground

64

GND

Ground

HSIp(11)

Receiver Lane 11,
Differential pair

65

GND

Ground

HSIn(11)

66

HSOp(12)

Transmitter Lane 12,
Differential pair

GND

Ground

67

HSOn(12)

GND

Ground

68

GND

Ground

HSIp(12)

Receiver Lane 12,
Differential pair

69

GND

Ground

HSIn(12)

70

HSOp(13)

Transmitter Lane 13,
Differential pair

GND

Ground

71

HSOn(13)

GND

Ground

72

GND

Ground

HSIp(13)

Receiver Lane 13,
Differential pair

73

GND

Ground

HSIn(13)

74

HSOp(14)

Transmitter Lane 14,
Differential pair

GND

Ground

75

HSOn(14)

GND

Ground

76

GND

Ground

HSIp(14)

Receiver Lane 14,
Differential pair

77

GND

Ground

HSIn(14)

78

HSOp(15)

Transmitter Lane 15,
Differential pair

GND

Ground

79

HSOn(15)

GND

Ground

80

GND

Ground

HSIp(15)

Receiver Lane 15,
Differential pair

81

PRSNT#2

Hot plug present detect

HSIn(15)

82

RSVD#2

Hot Plug Detect

GND

Ground

 

 

Архитектура PCI Express 

PCI Express обеспечивает высокую производительность ввода / вывода инфраструктуры для Настольные системы со скоростью передачи от 2,5 Гига переводов в секунду на PCI Express x1 полосу движения для Gigabit Ethernet, ТВ-тюнеры, 1394a / б контроллеров, так и общего назначения I / O. Архитектура PCI Express обеспечивает высокую производительность графической подсистемы инфраструктуры для Настольных системы удвоение возможностей существующих конструкций с AGP8x скорость передачи 4,0 гигабайт в секунду на x16 PCI Express полосу движения для графических контроллеров. ExpressCard использования PCI Express интерфейс, разработанный группой PCMCIA для мобильных компьютеров. PCI Express Расширенные функции управления питанием помогают продлить жизнь батареи и платформы, чтобы дать возможность пользователям работать в любом месте, без источника питания переменного тока.

Широкое внедрение

PCI Express в мобильных, корпоративных и коммуникационных сегментов позволяет сближение через повторное использование единой технологии интерконнекта.

PCI-E является последовательной шиной, которая использует две низковольтных дифференциальные пары LVDS, в 2,5 Гбит / с в каждом направлении [одной передачи, и одину получает пару]. PCI Express поддерживает 1x [2,5 Гбит], 2x, 4x, 8x, 12x, 16x, 32x и ширины шины [приема / передачи пар].

Дифференциальных контакты [Lanes], перечисленные в контактный из таблицы выше, LVDS что расшифровывается как: низкая сигнализации в дифференциальной схеме.


   
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