What is the difference between an external interrupt and port change interrupt?
For example a 16F877A, INTE enables the RB0/INT external interrupt while RBIE Enables the RB port change interrupt.
Simple Interrupt Question
What is the difference between an external interrupt and port change interrupt?
For example a 16F877A, INTE enables the RB0/INT external interrupt while RBIE Enables the RB port change interrupt.
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The difference is one only allows one pin to trigger the interrupt, while the other allows four pins to trigger it.
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gotcha so the external is an 'only' with the other is 'either/or'
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