User`s guide

ii • Table of Contents
3.7 A/D Range and Status Read back Register......................................... 25
3.8 Software Trigger Register....................................................................... 25
3.9 A/D Trigger Mode Control Register....................................................... 26
3.10 Interrupt Control Register........................................................................ 27
3.11 Hardware Interrupt Clear Register......................................................... 28
3.12 A/D Mode & Interrupt Control Read Back Register............................. 28
3.13 ISC2 & Trigger Event Read Back Register......................................... 29
3.14 Timer/Counter Register........................................................................... 30
3.15 D/A Output Register................................................................................. 30
3.16 Extended I/O Ports ................................................................................... 31
3.17 Digital I/O register..................................................................................... 32
Chapter 4 Operation Theory............................................................................ 33
4.1 A/D Conversion......................................................................................... 33
4.1.1 A/D Conversion Procedure......................................................... 34
4.1.2 A/D Signal Source Control.......................................................... 34
4.1.3 A/D Trigger Source Control......................................................... 36
4.1.4 A/D Data Transfer Modes............................................................ 37
4.1.5 Pre-Trigger Control....................................................................... 39
4.1.6 Post-Trigger Control..................................................................... 41
4.1.7 A/D Data Format........................................................................... 43
4.2 Interrupt Control........................................................................................ 44
4.2.1 System Architecture ..................................................................... 44
4.2.2 IRQ Level Setting.......................................................................... 44
4.2.3 Dual Interrupt System .................................................................. 45
4.2.4 Interrupt Source Control.............................................................. 45
4.3 Extended Digital I/O Port ......................................................................... 46
4.4 D/A Conversion......................................................................................... 46
4.5 Digital Input and Output........................................................................... 47
4.6 Timer/Counter Operation......................................................................... 48
4.6.1 Introduction.................................................................................... 48
4.6.2 Pacer Trigger Source................................................................... 48
4.6.3 Pre-Trigger Counter..................................................................... 48
4.6.4 I/O Address.................................................................................... 49
Chapter 5 C/C++ Library................................................................................... 50
5.1 Libraries Installation................................................................................. 50
5.2 Programming Guide ................................................................................. 51
5.2.1 Naming Convention...................................................................... 51
5.2.2 Data Types..................................................................................... 51
5.3 _9111_Initial.............................................................................................. 52
5.4 _9111_DO.................................................................................................. 52
5.5 _9111_DO_Channel................................................................................. 53
5.6 _9111_DI.................................................................................................... 54
5.7 _9111_DI_Channel................................................................................... 55
5.8 _9111_EDI................................................................................................. 56
5.9 _9111_EDO............................................................................................... 57