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PCMCIA Connector

The PCMCIA (Personal Computer Memory Card International Association) connector (also called the "PC-Card" connector) is used to connect PCMCIA peripherals to computers (typically laptops).

PCMCIA 68 Pin connector (Female on card and male on controller)

Pin

Function

Direction

Description

1

GND

------

Ground

2

D3

IN/OUT

Data 3

3

D4

IN/OUT

Data 4

4

D5

IN/OUT

Data 5

5

D6

IN/OUT

Data 6

6

D7

IN/OUT

Data 7

7

/CE1

OUT

Card Enable 1

8

A10

OUT

Address 10

9

/OE

OUT

Output Enable

10

A11

OUT

Address 11

11

A9

OUT

Address 9

12

A8

OUT

Address 8

13

A13

OUT

Address 13

14

A14

OUT

Address 14

15

/WE:/P

OUT

Write Enable : Program

16

/READY:/IREQ

IN

Ready : Busy (IREQ)

17

VCC

OUT

+5V

18

VPP1

OUT

Programming Voltage (EPROM)

19

A16

OUT

Address 16

20

A15

OUT

Address 15

21

A12

OUT

Address 12

22

A7

OUT

Address 7

23

A6

OUT

Address 6

24

A5

OUT

Address 5

25

A4

OUT

Address 4

26

A3

OUT

Address 3

27

A2

OUT

Address 2

28

A1

OUT

Address 1

29

A0

OUT

Address 0

30

D0

IN/OUT

Data 0

31

D1

IN/OUT

Data 1

32

D2

IN/OUT

Data 2

33

/WP:/IOIS16

IN

Write Protect : IOIS16

34

GND

------

Ground

35

GND

------

Ground

36

/CD1

IN

Card Detect 1

37

D11

IN/OUT

Data 11

38

D12

IN/OUT

Data 12

39

D13

IN/OUT

Data 13

40

D14

IN/OUT

Data 14

41

D15

IN/OUT

Data 15

42

/CE2

OUT

Card Enable 2

43

/VS1

OUT

Refresh

44

/IORD

OUT

I/O Read

45

/IOWR

OUT

I/O Write

46

A17

OUT

Address 17

47

A18

OUT

Address 18

48

A19

OUT

Address 19

49

A20

OUT

Address 20

50

A21

OUT

Address 21

51

VCC

OUT

+5V

52

VPP2

OUT

Programming Voltage 2 (EPROM)

53

A22

OUT

Address 22

54

A23

OUT

Address 23

55

A24

OUT

Address 24

56

A25

OUT

Address 25

57

/VS2

 

RFU

58

RESET

OUT

RESET

59

/WAIT

 

WAIT

60

/INPACK

 

 

61

/REG

OUT

Register Select

62

/BVD2:SPKR

IN

Battery Voltage Detect 2 : SPKR

63

/BVD1:STSCHG

IN

Battery Voltage Detect 1 : STSCHG

64

D8

IN/OUT

Data 8

65

D9

IN/OUT

Data 9

66

D10

IN/OUT

Data 10

67

/CD2

IN

Card Detect 2

68

GND

------

Ground

 

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This site last updated 4/13/2026