MICROPROCESSOR 8255
ARCHITECTURE OF 8085
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Question
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Programmable peripheral input-output port is another name for
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8255
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8259
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8257
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8253
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Explanation:
Detailed explanation-1: -Explanation: The parallel input-output port chip 8255 is also known as programmable peripheral input-output port. Explanation: Port C can function independently either as input or as output ports.
Detailed explanation-2: -In this mode the Port A and Port B can be used as input or output ports, the port C are used for handshaking.
Detailed explanation-3: -The 8255 chip is used to expand the I/O ports of microcontrollers.
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