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Originally Posted by Mike Betts
On the RC, DIO1 is tied to interrupt 1 and DIO2 is tied to interrupt2.
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I beg to differ.
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only the first 6 digital I/O pins (pins 1 – 6) can be set to generate interrupts (INT2 – INT7)
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The interrupts (INT2 and INT3) on pins 1 and 2 are separate and independently configurable. However, the interrupts (INT4, INT5, INT6 and INT7) on pins 3 – 6 are ganged together.
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Both of those quotes are from the Interrupts for Dummies white paper, but I know I've seen it in official documentation, too.