Measurement-computing USB-2527 Uživatelský manuál stáhnout pdf (Strana 59)

USB-2527 User's Guide Specifications

59

68-pin SCSI connector pin outs

Table 16. 68-pin SCSI connector pin out (labeled P5 on the board)

16-channel single-ended mode

Pin

Function

Pin

Function

68

ACH0

34

ACH8

67

AGND

33

ACH1

66

ACH9

32

AGND

65

ACH2

31

ACH10

64

AGND

30

ACH3

63

ACH11

29

AGND

62

SGND (low level sense - not for general use)

28

ACH4

61

ACH12

27

AGND

60

ACH5

26

ACH13

59

AGND

25

ACH6

58

ACH14

24

AGND

57

ACH7

23

ACH15

56

XDAC3

22

XDAC0

55

XDAC2

21

XDAC1

54

NEGREF (reserved for self-calibration)

20

POSREF (reserved for self-calibration)

53

GND

19

+5 V (see Note 6)

52

A1

18

A0

51

A3

17

A2

50

A5

16

A4

49

A7

15

A6

48

B1

14

B0

47

B3

13

B2

46

B5

12

B4

45

B7

11

B6

44

C1

10

C0

43

C3

9

C2

42

C5

8

C4

41

C7

7

C6

40

GND

6

TTL TRG

39

CNT1

5

CNT0

38

CNT3

4

CNT2

37

TMR1

3

TMR0

36

GND

2

XAPCR (input scan clock)

35

GND

1

XDPCR (output scan clock)

1 2 ... 54 55 56 57 58 59 60 61 62 63 64

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