INTRODUCTION TO MICROPEOCESSOR
MODEL OF MICROPROCESSOR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The bits that control the external interrupts are
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ET0 and ET1
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ET1 and ET2
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EX0 and EX1
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EX1 and EX2
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Explanation:
Detailed explanation-1: -The bits, EX0 and EX1 individually control the external interrupts, INT0(active low) and INT1(active low). If INT0(active low) and INT1(active low) interrupts are to be enabled then the bits EX0 and EX1 must be set respectively.
Detailed explanation-2: -Bit 3-IE1: External Interrupt 1 edge flag, set by hardware when interrupt on INT1 pin occurred and cleared by hardware when interrupt get processed.
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