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 number of priority levels that each interrupt of 8051 have is
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1
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2
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3
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4
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Explanation:
Detailed explanation-1: -8051 has two levels of interrupt priorities: high or low. By assigning priorities, we can control the order in which multiple interrupts will be serviced. Priorities are set by bits in a special function register called IP, which is at the byte address B8H.
Detailed explanation-2: -Each interrupt level of 8051 can have two levels of priority namely level 0 and level 1.
Detailed explanation-3: -Explanation: INT0(active low) and INT1(active low) are two external interrupt inputs provided by 8051.
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