MEMORY ORGANIZATION IN 8051
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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External Access is used to permit
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Power supply
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Peripherals
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Memory interfacing
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None of the above
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Explanation:
Detailed explanation-1: -Explanation: External Access input is employed to permit or prohibit outer memory interfacing. If there is no outer memory needed, this pin is dragged by linking it to Vcc.
Detailed explanation-2: -Pin 31 is the External Access Enable (EA) Pin. This pin allows external Program Memory. It is an input pin and is connected from VCC or GND.
Detailed explanation-3: -When we are trying to access the external data memory, then the read RD or write WR will be the output from 8051. So for reading the data from external sources, there PSEN (Program Strobe Enable) pin.
There is 1 question to complete.