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Is it possible to read state of the pin by reading its port data register?

Latest Updated:03/24/2009

Question:

If I set the pin with which the IRQ function and port function are multiplexed to the IRQ function by the pin function controller, is it possible to read the state of the pin by reading its port data register?

Answer:

No, when the pin in question is set to the IRQ function, it is impossible to read the state of the pin by reading the port data register.
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SH7729R
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