3.4

A/D control Register

22

3.5

A/D Status Register

25

3.6

Software Trigger Register

25

3.7

Digital I/O register

26

3.8

Internal Timer/Counter Register

27

3.9

High Level Programming

27

3.10

Low Level Programming

27

Chapter 4 Operation Theorem

28

4.1

A/D Conversion

28

4.2

Analog Input Signal Connection

28

4.2.1

A/D Conversion Procedure

31

4.2.2

A/D Trigger Modes

31

4.2.3 A/D Data Transfer Modes

32

4.3

D/A Conversion

33

4.4

Digital Input and Output

34

4.5

Timer/Counter Operation

35

Chapter 5 C/C++ Library

39

5.1

Libraries Installation

39

5.2

Programming Guide

40

5.2.1

Naming Convention

40

5.2.2

Data Types

40

5.3

_9112_Initial

41

5.4

_9112_DI

42

5.5

_9112_DI _Channel

42

5.6

_9112_DO

43

5.7

_9112_DA

44

5.8

_9112_AD_Set_Channel

45

5.9

_9112_AD_Set_Range

46

5.10

_9112_AD_Set_Mode

47

5.11

_9112_AD_Set_Autoscan

48

5.12

_9112_AD_Soft_Trig

49

5.13

_9112_AD_Aquire

50

5.14

_9112_AD_DMA_Start

51

5.15

_9112_AD_DMA_Status

53

5.16

_9112_AD_DMA_Stop

54

5.17

_9112_ContDmaStart

55

5.18

_9112_CheckHalfReady

56

5.19

_9112_DblBufferTransfer

57

5.20

_9112_GetOverrunStatus

57

iiContents

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HP manual Conversion Digital Input and Output, 9112DO 9112DA 9112ADSetChannel 9112ADSetRange