MICROPROCESSOR 8255
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many ports 8255A has?
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2
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3
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4
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5
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Explanation:
Detailed explanation-1: -The 8255 gives a CPU or digital system access to programmable parallel I/O. The 8255 has 24 input/output pins. These are divided into three 8-bit ports (A, B, C).
Detailed explanation-2: -The 8255 programmable peripheral interface has 24 I/O lines that are divided into three ports they are ports A, B, and C.
Detailed explanation-3: -2. How many ports 8255A has? Explanation: 8255A has three ports, i.e., PORT A, PORT B, and PORT C.
Detailed explanation-4: -Group A and Group B Control The 8255 I/O ports are divided into 2 sections. Group A(GA) and Group B(GB).
There is 1 question to complete.