8051 SERIAL PROGRAMMING
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The external interrupts of 8051 can be enabled
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4 LSBs of TCON register
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Interrupt enable
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priority register
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all of the mentioned
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Explanation:
Detailed explanation-1: -Explanation: The external interrupts namely INT0(active low) and INT1(active low) can be enabled and programmed using the least significant four bits of TCON register and the Interrupt enable and priority registers.
Detailed explanation-2: -8051 architecture handles 5 interrupt sources, out of which two are internal (Timer interrupts), two are external and one is a serial interrupt.
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