Advantech PCI-1784 guide

C.9 Clear Interrupt — BASE+24H

Read this register to clear the interrupt.

Table C-8 PCI-1784 Register for clear interrupt

Base Addr.		15	14	13	12	11	10	9		8	7		6	5	4	3	2	1	0

		31	30	29	28	27	26	25		24	23		22	21	20	19	18	17	16
		31	30	29	28	27	26	25		24	23		22	21	20	19	18	17	16

									Clear Interrupt
24H	R
24H	R

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Image 44

Advantech specifications Table C-8 PCI-1784 Register for clear interrupt

Contents

Page Page Contents Appendix D. Operation Encoder Interface FeaturesIntroduction Counters Digital Input and InterruptsFlexible Digital Output function Special Shielded Cable for Noise Reduction Board ID Installation Guide Applications Installation Flow Chart Register-level Programming Software OverviewDevice Drivers Device Drivers Programming Roadmap Programming Tools Troubleshooting Device Drivers Error Programming with Device Drivers Function Library Wiring Boards AccessoriesWiring Cable Installation UnpackingPage Driver Installation Setup Screen of Advantech Automation Software Hardware Installation Select the Individual Drivers optionPage Device name listed on the Device Manager Device Setup & Configuration Board selection Setting Up and configure the device ‘Setup’ dialog box Operation dialog box Signal Connections Switch and Jumper SettingsOverview Names of Jumpers Function description Board ID setting SW1 Pin Assignment Signal ConnectionsConnector Signal Description Quadrature encoder input Single ended Outputs Encoder Quadrature encoder up/down counter input connections Isolated digital input Isolated digital output Encoder Output Appendix A. SpecificationsTimer General InterruptCounter Latch Appendix B. Block Diagram ADDRESS, Control and Data BUSPage Appendix C. Register Structure and Format I/O Port Address Map Table C-1 PCI-1784 register format Part + HEX 1CH Clock Control Counter 0/1/2/3 mode BASE+00/04/08/0CH Table C-2 PCI-1784 Register for counter 0/1/2/3 mode DI0 Counter 0/1/2/3 latch data BASE+00/04/08/0CH Table C-3 PCI-1784 Register for counter 0/1/2/3 latch data Counter 0/1/2/3 compare data BASE+10/14/18/1CH Table C-4 PCI-1784 Register for counter 0/1/2/3 compare data Interrupt control register BASE+20H Table C-5 PCI-1784 Register for interrupt control Interrupt status register BASE+20H Table C-6 PCI-1784 Register for interrupt status Clear Interrupt BASE+24H Table C-7 PCI-1784 Register for clock control Table C-8 PCI-1784 Register for clear interrupt Software latch BASE+28H Table C-9 PCI-1784 Register for software latch Board ID BASE+28H Table C-10 PCI-1784 Board ID data Reset counter BASE+2CH Table C-11 PCI-1784 Register for reset counter Digital output BASE+30H Table C-12 PCI-1784 Register for digital output Digital input/output BASE+30H Table C-13 PCI-1784 Register for digital input/outputPage Appendix D. Operation Quadrature encoder introduction Mode Maximum input rate 8MHz 4MHz 2MHz 1MHz Quadrature input counter modeCounter modes Single-ended vs. differential input Pulse mode Pulse/direction modeDisabled mode Digital noise filter Latch mode Clock frequency Maximum widthLatch Index latch Counter reset value Timer function Interrupt function