A/D control Register, Mode, 22 ∙ Registers Format

3.4A/D control Register

This register is to control the A/D channels to be converted. It is a write only register. When the channel number is written to the register, the multiplexer switches to the new channel and wait for conversion.

Address	: BASE + 18
Attribute	: write only
Data Format:

	Bit		4			0

	Base	MUX	Auto-	A/D Mode
	+ 18		Scan

	Base		GAIN			M
	+ 19					U
						X

	Base		---		-
	+ 1A				-
					-
	Base		---		-
	+ 1B				-
					-

A/D Mode:

Bit 3	Bit 2	Bit 1	Bit 0
EITS	TSTS	INTX	DMA
			X

EITS : External / Internal Trigger Source

1 : External Trigger Source

0:Internal Trigger Source TPST : Timer Pacer/ Software Trigger

1 : Timer Pacer Trigger

0 : Software Trigger

(It is only available when the Internal Trigger Source is selected) INTX: Interrupt Transfer Mode

1 : Enable Interrupt Transfer

0 : Disable Interrupt Transfer

DMAX : DMA Transfer Mode (bus mastering) 1 : Enable DMA Data Transfer

0 : Disable DMA Data Transfer

22 ∙ Registers Format

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HP 9112 manual A/D control Register, Mode, 22 ∙ Registers Format

Contents

Page ALL Rights Reserved Trademarks Adlink Technology Inc Detailed Company InformationQuestions Page Contents 9112DO 9112DA 9112ADSetChannel 9112ADSetRange ConversionConversion Digital Input and Output 9112DblBufferTransfer 9112GetOverrunStatus Software Utilities Appendix A. Demo. Programs Product Warranty/ServiceWhat do you need VR Assignment Adjustment PCI Scan Utility How to Use This Guide Features T r o d u c t i o nIntroduction ∙ Analog Input A/D SpecificationsApplications Analog Output D/A General Specifications Digital I/O DIOProgrammable Counter Software Supporting Programming LibraryPCIS-LVIEW LabVIEW Driver DASYLabTM PRO PCIS-VEE HP-VEE DriverDAQBenchTM ActiveX Controls PCIS-DDE DDE Server and InTouchTM Installation ∙ InstallationWhat You Have Device Installation for Windows Systems Installation ∙Unpacking Converter PCB LayoutPCI-9112 Layout PCI -Bus Controller CPCI-9112 Layout PCB Layout of the PCI-9112 Jumper Settings Analog Input Channel Configuration10 ∙ Installation Clock Source Setting D/A Reference Voltage Setting Internal Reference Voltage Setting 12 ∙ Installation Connectors Pin Assignments CN 3 Analog Input / Output & Counter/TimerPin Assignments of PCI-9112 CN 1 Digital Signal Input DI 0 CN 2 Digital Signal Output do 014 ∙ Installation Pin Assignments of cPCI-9112 Hardware Installation Outline 16 ∙ Installation Connect with ACLD-9137 Daughter Board ConnectionConnect with ACLD-8125 Connect with ACLD-9182 18 ∙ Installation Connect with ACLD-9185Connect with ACLD-9138 and ACLD-9188 G i s t e r s F o r m a t I/O Registers MapRegisters Format ∙ A/D Data Registers 20 ∙ Registers Format D/A Output Register A/D control Register Mode22 ∙ Registers Format Auto-Scan Bit MUX Register Bit8 ~ Bit5 24 ∙ Registers Format A/D Status Register Software Trigger Register Digital I/O register 26 ∙ Registers Format Internal Timer/Counter Register High Level ProgrammingLow Level Programming A/D Conversion Analog Input Signal ConnectionE r a t i o n T h e o r e m 28 ∙ Operation Theorem Single-ended Mode Differential input modeOperation Theorem ∙ 4 Floating source and differential input 30 ∙ Operation Theorem 2 A/D Trigger Modes 1 A/D Conversion ProcedureTimer Pacer Trigger Software trigger Software Data Transfer Drdy 3 A/D Data Transfer ModesExternal Trigger Interrupt Transfer Intx D/A Conversion DMA Transfer Dmax Digital Input and Output 34 ∙ Operation Theorem Timer/Counter Operation Counter Address General Purpose Timer/ CounterPacer Trigger Source 36 ∙ Operation Theorem Control Byte Mode Definitions 38 ∙ Operation Theorem Libraries Installation + + L i b r a r y++ Library ∙ Data Types Programming GuideNaming Convention 40 ∙ C/C++ Library Argument 9112InitialSyntax Return Code Description 9112DI9112DI Channel 42 ∙ C/C++ Library 9112DO 9112DA 44 ∙ C/C++ Library 9112ADSetChannel 9112ADSetRange 46 ∙ C/C++ Library 10 9112ADSetMode Cardnumber the card number of PCI-9112 11 9112ADSetAutoscan 48 ∙ C/C++ Library 12 9112ADSoftTrig 13 9112ADAquire 50 ∙ C/C++ Library 14 9112ADDMAStart 52 ∙ C/C++ Library 15 9112ADDMAStatus 16 9112ADDMAStop 54 ∙ C/C++ Library 17 9112ContDmaStart 18 9112CheckHalfReady 56 ∙ C/C++ Library 19 9112DblBufferTransfer 20 9112GetOverrunStatus 21 9112ContDmaStop 58 ∙ C/C++ Library 22 9112ADINTStart 23 9112ADINTStatus 60 ∙ C/C++ Library 25 9112ADTimer 24 9112ADINTStop 2MHz / c1 * c2 62 ∙ C/C++ Library 26 9112TIMERStart 27 9112TIMERRead Argument cardnumber countervalue 28 9112TIMERStop29 9112AllocDMAMem 64 ∙ C/C++ Library 30 9112FreeDMAMem 32 9112GetSample 66 ∙ C/C++ Library Calibration What do you needCalibration ∙ Bipolar Calibration A/D AdjustmentVR Assignment Unipolar Calibration D/A Adjustment Reference Voltage Calibration2 D/A Channel Calibration Software Utilities Software Utility70 ∙ Software Utility Calibration System ConfigurationRunning the Utility Software Utility ∙ Functional Testing PCI Scan Utility72 ∙ Software Utility Windows 95 DLL P e n d i x a . D e m o O g r a m sDOS Software Appendix a Demo Programs ∙ 74 ∙ Appendix a Demo Programs Product Warranty/Service Product Warranty/Service ∙

3.4A/D control Register

A/D Mode:

EITS

TSTS

INTX

DMA

22 ∙ Registers Format