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Bachelor's Degree in Telecommunications Systems and in Network Engineering |
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Basic concepts on port RB interrupt |
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How to detect signal events (edges)?
(under preparation)
Port B pins
A Port B (RB) hardware.
| Fig. 1. |
Interrupt logic to enable and attend interrupts
Enabling external RB interrupts. Configuration bits.
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Fig. 2. |
Interrupt service routine. Software flag
- Tutorial example on the use of the Port B and external INT interrupts. Class discussion (1), (2). This is the adaptation when using this demonstration board. [Replace PIC16F877 by PIC18F4520)]
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