Advantech PCI-1784 specifications Interrupt status register BASE+20H

Page 42

C.7 Interrupt status register — BASE+20H

Table C-6 PCI-1784 Register for interrupt status

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Interrupt status

 

 

 

 

 

 

20H

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DI3

DI2

DI1

DI0

IX3

IX2

IX1

 

IX0

UN3

UN2

UN1

UN0

OV3

OV2

OV1

OV0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IF

 

 

TM

 

 

 

 

 

UC3

UC2

UC1

UC0

OC3

OC2

OC1

OC0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVn

Counter overflow interrupt flag (n: 0 ~ 3)

 

0

Disable

 

1

Enable

UNn

Counter underflow interrupt flag (n: 0 ~ 3)

 

0

Disable

 

1

Enable

IXn

Index input interrupt flag (n: 0 ~ 3)

 

0

Disable

 

1

Enable

DIn

Digital input interrupt flag (n: 0 ~ 3)

 

0

Disable

 

1

Enable

OCn

Counter over compare interrupt by flag (n: 0 ~ 3)

 

0

Disable

 

1

Enable

UCn

Counter under compare interrupt flag (n: 0 ~ 3)

 

0

Disable

 

1

Enable

TM

Timer pulse interrupt flag

 

0

Disable

 

1

Enable

IF

Overall interrupt enable flag

 

0

Disable

 

1

Enable

38

Image 42
Contents Page Page Contents Appendix D. Operation Features IntroductionEncoder Interface Flexible Digital Output function CountersDigital Input and Interrupts Special Shielded Cable for Noise ReductionBoard ID Installation Guide ApplicationsInstallation Flow Chart Software Overview Device DriversRegister-level Programming Device Drivers Programming Roadmap Programming ToolsTroubleshooting Device Drivers Error Programming with Device Drivers Function LibraryAccessories Wiring CableWiring Boards Installation UnpackingPage Driver Installation Setup Screen of Advantech Automation SoftwareHardware Installation Select the Individual Drivers optionPage Device name listed on the Device Manager Device Setup & Configuration Board selectionSetting Up and configure the device ‘Setup’ dialog boxOperation dialog box Overview Signal ConnectionsSwitch and Jumper Settings Names of Jumpers Function descriptionBoard ID setting SW1 Signal Connections Connector Signal DescriptionPin Assignment Quadrature encoder input Single ended Outputs EncoderQuadrature encoder up/down counter input connections Isolated digital input Isolated digital outputAppendix A. Specifications TimerEncoder Output Interrupt Counter LatchGeneral Appendix B. Block Diagram ADDRESS, Control and Data BUSPage Appendix C. Register Structure and Format I/O Port Address MapTable C-1 PCI-1784 register format Part + HEX1CH 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 modeDI0 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 dataCounter 0/1/2/3 compare data BASE+10/14/18/1CH Table C-4 PCI-1784 Register for counter 0/1/2/3 compare dataInterrupt control register BASE+20H Table C-5 PCI-1784 Register for interrupt controlInterrupt status register BASE+20H Table C-6 PCI-1784 Register for interrupt statusClear Interrupt BASE+24H Table C-7 PCI-1784 Register for clock controlTable C-8 PCI-1784 Register for clear interrupt Software latch BASE+28H Table C-9 PCI-1784 Register for software latchBoard ID BASE+28H Table C-10 PCI-1784 Board ID dataReset counter BASE+2CH Table C-11 PCI-1784 Register for reset counterDigital output BASE+30H Table C-12 PCI-1784 Register for digital outputDigital input/output BASE+30H Table C-13 PCI-1784 Register for digital input/outputPage Appendix D. Operation Quadrature encoder introductionCounter modes Mode Maximum input rate 8MHz 4MHz 2MHz 1MHzQuadrature input counter mode Single-ended vs. differential inputDisabled mode Pulse modePulse/direction mode Digital noise filterLatch Latch modeClock frequency Maximum width Index latchCounter reset value Timer functionInterrupt function