Digital I/O

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Interrupts on the PCI 6503

Does the 6503 operating in Mode 0 with an external signal on PC3 generate an interrupt on the rising edge or while the signal on PC3 is a logic high?
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The interrupt will be generated only on the transition of the digital line. I've linked an example program below that shows how to use DAQ Event 8 to monitor the transition of digital lines (to generate an interrupt).

I hope this helps.

Using DAQ Event 8 to Send a Message When a Digital Pattern is Matched in Visual C++


Todd D.
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