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P1IE and P1IES are registers that are used to ___________

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P1IE and P1IES are registers that are used to ___________

(a) control the Port1 digital i/o ports

(b) control the Port1 interrupts

(c) control the Port1 serial communication interfaces

(d) all of the mentioned

This question was posed to me during an interview.

This interesting question is from Digital Inputs, Outputs and Delays in portion MSP430 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
Correct choice is (b) control the Port1 interrupts

The explanation is: P1IE and P1IES both registers are used to control the Port1 interrupts.

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