Advantech PC-LabCard PCI-1784 - Manual (Page 56)

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D.7 Interrupt function
The PCI-1784 can generate an interrupt to the PC for any of the
following conditions:
1. Counter 0 overflow
2. Counter 1 overflow
3. Counter 2 overflow
4. Counter 3 overflow
5. Counter 0 underflow
6. Counter 1 underflow
7. Counter 2 underflow
8. Counter 3 underflow
9. Counter 0 index in
10. Counter 1 index in
11. Counter 2 index in
12. Counter 3 index in
13. DI0 input
14. DI1 input
15. DI2 input
16. DI3 input
17. Counter 0 over-compare
18. Counter 1 over-compare
19. Counter 2 over-compare
20. Counter 3 over-compare
21. Counter 0 under-compare
22. Counter 1 under-compare
23. Counter 2 under-compare
24. Counter 3 under-compare
25. Timer pulse
Note that you can use only one of the card's interrupt sources at a given
time, unless you specially program your interrupt service routine to
handle multiple interrupt sources.
You enable the PCI-1784 interrupt functions by accessed through the