MICROPROCESSOR 8255
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In mode 2 of I/O mode, which of the following ports are capable of transferring the data in both the directions?
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Port A
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Port B
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Port C
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All of the above
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Explanation:
Detailed explanation-1: -Explanation: In mode 0, any port can be used as input or output and output ports are latched.
Detailed explanation-2: -Mode 2 − In this mode, Port A can be configured as the bidirectional port and Port B either in Mode 0 or Mode 1. Port A uses five signals from Port C as handshake signals for data transfer. The remaining three signals from Port C can be used either as simple I/O or as handshake for port B.
There is 1 question to complete.