Measurement-computing USB-2627 Manual do Utilizador descarregar pdf (Página 27)

USB-2627 User's Guide Specifications

27

40-pin header connectors (J2, J4, J5)

Table 22. J2 connector pinout

Pin

Signal name

Pin description

Pin

Signal name

Pin description

1

NC

No connection

2

NC

No connection

3

NC

No connection

4

NC

No connection

5

AGND

Analog ground

6

AGND

Analog ground

7

ACH3

Analog input 3

8

ACH11

Analog input 11

9

ACH2

Analog input 2

10

ACH10

Analog input 10

11

NC

No connection

12

NC

No connection

13

NC

No connection

14

NC

No connection

15

ACH1

Analog input 1

16

ACH9

Analog input 9

17

ACH0

Analog input 0

18

ACH8

Analog input 8

19

AGND

Analog ground

20

AGND

Analog ground

21

NC

No connection

22

NC

No connection

23

NC

No connection

24

NC

No connection

25

ACH7

Analog input 7

26

ACH15

Analog input 15

27

ACH6

Analog input 6

28

ACH14

Analog input 14

29

AGND

Analog ground

30

NC

No connection

31

NC

No connection

32

NC

No connection

33

NC

No connection

34

ACH5

Analog input 5

35

ACH13

Analog input 13

36

ACH4

Analog input 4

37

ACH12

Analog input 12

38

AGND

Analog ground

39

AGND

Analog ground

40

AGND

Analog ground

Table 23. J4 connector pinout

Pin

Signal name

Pin description

Pin

Signal name

Pin description

1

GND

Digital ground

2

XAPCR

External analog input scan clock

3

A0

Port A bit 0

4

A4

Port A bit 4

5

A1

Port A bit 1

6

A5

Port A bit 5

7

A2

Port A bit 2

8

A6

Port A bit 6

9

A3

Port A bit 3

10

A7

Port A bit 7

11

GND

Digital ground

12

TTLTRG

External digital trigger input

13

B0

Port B bit 0

14

B4

Port B bit 4

15

B1

Port B bit 1

16

B5

Port B bit 5

17

B2

Port B bit 2

18

B6

Port B bit 6

19

B3

Port B bit 3

20

B7

Port B bit 7

21

GND

Digital ground

22

+VO

Power output

23

C0

Port C bit 0

24

C4

Port C bit 4

25

C1

Port C bit 1

26

C5

Port C bit 5

27

C2

Port C bit 2

28

C6

Port C bit 6

29

C3

Port C bit 3

30

C7

Port C bit 7

31

GND

Digital ground

32

TMR1

Timer output 1

33

TMR0

Timer output 0

34

CNT1

Counter input 1

35

CNT0

Counter input 0

36

CNT3

Counter input 3

37

CNT2

Counter input 2

38

GND

Digital ground

39

GND

Digital ground

40

GND

Digital ground

1 2 ... 22 23 24 25 26 27 28 29

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