MICROPROCESSOR 8255
ARCHITECTURE OF 8085
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The input provided by the microprocessor to the read/write control logic is
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RESET
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A1
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WR(ACTIVE LOW)
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All of the mentioned
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Explanation:
Detailed explanation-1: -Explanation: RD(ACTIVE LOW), WR(ACTIVE LOW), A1, A0, RESET are the inputs provided by the microprocessor to the read/write control logic of 8255.
Detailed explanation-2: -Read/Write and Control Logic The function of this block is to manage all of the Internal and External transfers of both Data and Control or Status words. It accepts inputs from the CPU Address and Control business and in turn, issues commands to both of the Control Groups. Chip Select.
Detailed explanation-3: -Answer: c Explanation: 3-state bidirectional buffer is used to receives or transmits data upon the execution of input or output instructions by the microprocessor.
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